4th Grade Verb Tenses & Subject-Verb Agreement

Grade 4 Verb Tenses and Subject–Verb Agreement is a world-facing guide to 100 fourth grade verb and tense terms, Grade 4 verb tenses, present past and future verbs, regular and irregular verbs, progressive forms, helping verbs, subject–verb agreement, tense consistency, verb worksheets and editing practice. The goal is to help learners control time and agreement across complete sentences rather than memorize isolated verb charts.

Current Grade 4 verb resources repeatedly focus on past, present and future tense, regular and irregular verb forms, tense identification, correcting tense shifts, and applying verb control in connected writing. Agreement practice adds a second challenge: learners must find the true subject even when phrases such as of crayons sit between the subject and verb. This article teaches those skills as one connected system.

This page owns the new Primary 4 / Grade 4 Verb Tenses and Subject–Verb Agreement search family inside the eduKateSG world lane. It is additive and distinct from the broad Grammar Vocabulary page and the existing general Simple Present owner. Alicia, Tricia and Kai Kai model the loop: find the subject → locate the verb phrase → establish the time frame → choose the verb form → check agreement → inspect tense consistency → edit the whole paragraph.

The 50-Second Verb Rule

Find the complete subject.
Find the main verb and any helping verbs.
Decide the time frame: present, past or future.
Choose the correct verb form.
Check singular/plural agreement in the present tense and with be, have and do.
Bracket prepositional phrases so the nearest noun does not steal control of the verb.
Check irregular verbs from memory rather than inventing -ed forms.
Scan the paragraph for unjustified tense shifts.
Use auxiliaries correctly in questions and negatives.
Read the sentence for both grammar and timeline meaning.

Verb Foundations

These ten entries belong to the verb foundations family. Learn each by manipulating real sentences and timelines.

1. verb

Definition: a word expressing action, occurrence or state.

Example: Alicia reads every evening.

Tricia’s verb check: Identify the subject, verb or verb phrase and time frame in the example. Change the subject or time marker and adjust the verb form correctly. Then create one realistic tense or agreement error and repair it.

Transfer: Use or demonstrate verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

2. action verb

Definition: a verb expressing an action.

Example: Tricia measured the table.

Kai Kai’s verb check: Identify the subject, verb or verb phrase and time frame in the example. Change the subject or time marker and adjust the verb form correctly. Then create one realistic tense or agreement error and repair it.

Transfer: Use or demonstrate action verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

3. linking verb

Definition: a verb connecting the subject to a description or identity.

Example: The water became cold.

Alicia’s verb check: Identify the subject, verb or verb phrase and time frame in the example. Change the subject or time marker and adjust the verb form correctly. Then create one realistic tense or agreement error and repair it.

Transfer: Use or demonstrate linking verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

4. helping verb

Definition: a verb used with a main verb to express tense, possibility or another grammatical meaning.

Example: Has is a helping verb in has finished.

Transfer: Use or demonstrate helping verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

5. main verb

Definition: the central verb carrying the main lexical meaning.

Example: Finished is the main verb in has finished.

Transfer: Use or demonstrate main verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

6. verb phrase

Definition: a main verb together with one or more helping verbs.

Example: Has been working is a verb phrase.

Transfer: Use or demonstrate verb phrase in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

7. base form

Definition: the basic dictionary form of a verb.

Example: Walk is the base form of walked and walking.

Transfer: Use or demonstrate base form in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

8. finite verb

Definition: a verb form marked for tense or agreement and able to anchor a clause.

Example: Writes is finite in Alicia writes daily.

Transfer: Use or demonstrate finite verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

9. nonfinite verb

Definition: a verb form such as an infinitive or participle that does not by itself show ordinary tense agreement.

Example: To write is nonfinite in Alicia likes to write.

Transfer: Use or demonstrate nonfinite verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

10. verb form

Definition: the particular grammatical shape a verb takes.

Example: Went is a verb form of go.

Transfer: Use or demonstrate verb form in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Verb Foundations mini-practice

Create one sentence demonstrating verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating action verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating linking verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating helping verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating main verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating verb phrase. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating base form. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating finite verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating nonfinite verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating verb form. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Simple Present Tense

These ten entries belong to the simple present tense family. Learn each by manipulating real sentences and timelines.

11. simple present

Definition: a tense used for habits, repeated actions, general truths and many present states.

Example: Kai Kai checks his work every day.

Transfer: Use or demonstrate simple present in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

12. present habit

Definition: a repeated action expressed in the present.

Example: Alicia reads before bed.

Transfer: Use or demonstrate present habit in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

13. general truth

Definition: a statement presented as generally true.

Example: Water freezes at 0°C under standard conditions.

Transfer: Use or demonstrate general truth in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

14. third-person singular -s

Definition: the -s or -es ending commonly added to present-tense verbs with he, she or it.

Example: She reads every morning.

Transfer: Use or demonstrate third-person singular -s in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

15. do

Definition: present auxiliary used in questions and negatives.

Example: Do they understand the rule?

Transfer: Use or demonstrate do in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

16. does

Definition: third-person singular form of do.

Example: Does Tricia understand the rule?

Transfer: Use or demonstrate does in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

17. do not

Definition: negative simple-present form for most subjects.

Example: They do not agree.

Transfer: Use or demonstrate do not in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

18. does not

Definition: negative simple-present form for third-person singular subjects.

Example: He does not agree.

Transfer: Use or demonstrate does not in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

19. present agreement

Definition: matching the present-tense verb form to the subject.

Example: The student writes; the students write.

Transfer: Use or demonstrate present agreement in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

20. present-time marker

Definition: a time expression often associated with current or habitual meaning.

Example: Every day is a present-time marker in Alicia practises every day.

Transfer: Use or demonstrate present-time marker in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Simple Present Tense mini-practice

Create one sentence demonstrating simple present. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating present habit. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating general truth. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating third-person singular -s. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating do. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating does. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating do not. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating does not. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating present agreement. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating present-time marker. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Simple Past Tense

These ten entries belong to the simple past tense family. Learn each by manipulating real sentences and timelines.

21. simple past

Definition: a tense commonly used for completed past events.

Example: Alicia checked the results yesterday.

Transfer: Use or demonstrate simple past in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

22. regular past

Definition: a past-tense form commonly made with -ed.

Example: Walk becomes walked.

Transfer: Use or demonstrate regular past in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

23. irregular past

Definition: a past-tense form not made by simply adding -ed.

Example: Go becomes went.

Transfer: Use or demonstrate irregular past in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

24. past time marker

Definition: a phrase locating an event in the past.

Example: Yesterday is a past-time marker.

Transfer: Use or demonstrate past time marker in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

25. did

Definition: past auxiliary used in questions and negatives.

Example: Did Kai Kai finish the task?

Transfer: Use or demonstrate did in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

26. did not

Definition: negative simple-past form.

Example: Tricia did not forget the book.

Transfer: Use or demonstrate did not in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

27. was

Definition: past form of be commonly used with singular first- or third-person subjects.

Example: The room was quiet.

Transfer: Use or demonstrate was in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

28. were

Definition: past form of be commonly used with plural subjects and you.

Example: The pupils were ready.

Transfer: Use or demonstrate were in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

29. completed action

Definition: an action presented as finished in the past.

Example: The team submitted the report.

Transfer: Use or demonstrate completed action in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

30. past sequence

Definition: a series of completed past events.

Example: Alicia opened the file, checked the graph and wrote the answer.

Transfer: Use or demonstrate past sequence in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Simple Past Tense mini-practice

Create one sentence demonstrating simple past. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating regular past. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating irregular past. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating past time marker. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating did. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating did not. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating was. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating were. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating completed action. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating past sequence. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Future Reference

These ten entries belong to the future reference family. Learn each by manipulating real sentences and timelines.

31. will

Definition: a modal commonly used to refer to future events, predictions or decisions.

Example: The class will meet tomorrow.

Transfer: Use or demonstrate will in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

32. will not

Definition: negative form of will.

Example: Kai Kai will not attend the extra session.

Transfer: Use or demonstrate will not in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

33. going to

Definition: a common construction for plans or expected future events.

Example: Tricia is going to revise tonight.

Transfer: Use or demonstrate going to in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

34. future time marker

Definition: an expression locating an event after the present.

Example: Tomorrow is a future-time marker.

Transfer: Use or demonstrate future time marker in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

35. prediction

Definition: a statement about what is expected to happen.

Example: Alicia predicts that the temperature will rise.

Transfer: Use or demonstrate prediction in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

36. plan

Definition: an intended future action.

Example: The group is going to test the model.

Transfer: Use or demonstrate plan in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

37. intention

Definition: a purpose or decision about future action.

Example: Kai Kai intends to complete the draft tonight.

Transfer: Use or demonstrate intention in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

38. scheduled future

Definition: a future event expressed using a schedule-like present form.

Example: The bus leaves at eight tomorrow.

Transfer: Use or demonstrate scheduled future in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

39. future reference

Definition: language that points to a time after the present.

Example: Will finish creates future reference.

Transfer: Use or demonstrate future reference in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

40. modal verb

Definition: a helping verb such as can, could, may, might, must, should or will.

Example: Will is a modal verb.

Transfer: Use or demonstrate modal verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Future Reference mini-practice

Create one sentence demonstrating will. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating will not. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating going to. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating future time marker. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating prediction. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating plan. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating intention. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating scheduled future. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating future reference. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating modal verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Progressive Forms

These ten entries belong to the progressive forms family. Learn each by manipulating real sentences and timelines.

41. present progressive

Definition: a form built with am/is/are plus -ing for an ongoing present situation.

Example: Alicia is reading now.

Transfer: Use or demonstrate present progressive in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

42. past progressive

Definition: a form built with was/were plus -ing for an ongoing past situation.

Example: Tricia was reading when the bell rang.

Transfer: Use or demonstrate past progressive in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

43. future progressive

Definition: a form built with will be plus -ing for an ongoing future situation.

Example: Kai Kai will be travelling at noon.

Transfer: Use or demonstrate future progressive in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

44. -ing form

Definition: a verb form ending in -ing used in progressive constructions and other roles.

Example: Reading is the -ing form of read.

Transfer: Use or demonstrate -ing form in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

45. ongoing action

Definition: an action presented as in progress.

Example: The pupils are working.

Transfer: Use or demonstrate ongoing action in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

46. background action

Definition: an ongoing action forming the background to another event.

Example: Alicia was walking when the rain started.

Transfer: Use or demonstrate background action in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

47. temporary situation

Definition: a situation presented as limited in duration.

Example: Tricia is staying with her aunt this week.

Transfer: Use or demonstrate temporary situation in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

48. am

Definition: first-person singular present form of be.

Example: I am studying.

Transfer: Use or demonstrate am in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

49. is

Definition: third-person singular present form of be.

Example: She is studying.

Transfer: Use or demonstrate is in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

50. are

Definition: present form of be used with you and plural subjects.

Example: They are studying.

Transfer: Use or demonstrate are in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Progressive Forms mini-practice

Create one sentence demonstrating present progressive. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating past progressive. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating future progressive. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating -ing form. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating ongoing action. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating background action. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating temporary situation. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating am. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating is. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating are. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Regular and Irregular Verb Forms

These ten entries belong to the regular and irregular verb forms family. Learn each by manipulating real sentences and timelines.

51. walk-walked

Definition: a regular verb pair.

Example: Walk becomes walked in the simple past.

Transfer: Use or demonstrate walk-walked in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

52. play-played

Definition: a regular verb pair.

Example: Play becomes played.

Transfer: Use or demonstrate play-played in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

53. study-studied

Definition: a regular past pattern changing consonant + y to -ied.

Example: Study becomes studied.

Transfer: Use or demonstrate study-studied in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

54. stop-stopped

Definition: a regular spelling pattern doubling a final consonant before -ed.

Example: Stop becomes stopped.

Transfer: Use or demonstrate stop-stopped in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

55. go-went

Definition: an irregular verb pair.

Example: Go becomes went.

Transfer: Use or demonstrate go-went in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

56. see-saw

Definition: an irregular verb pair.

Example: See becomes saw.

Transfer: Use or demonstrate see-saw in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

57. take-took

Definition: an irregular verb pair.

Example: Take becomes took.

Transfer: Use or demonstrate take-took in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

58. write-wrote

Definition: an irregular verb pair.

Example: Write becomes wrote.

Transfer: Use or demonstrate write-wrote in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

59. bring-brought

Definition: an irregular verb pair.

Example: Bring becomes brought.

Transfer: Use or demonstrate bring-brought in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

60. teach-taught

Definition: an irregular verb pair.

Example: Teach becomes taught.

Transfer: Use or demonstrate teach-taught in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Regular and Irregular Verb Forms mini-practice

Create one sentence demonstrating walk-walked. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating play-played. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating study-studied. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating stop-stopped. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating go-went. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating see-saw. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating take-took. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating write-wrote. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating bring-brought. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating teach-taught. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Subject–Verb Agreement

These ten entries belong to the subject–verb agreement family. Learn each by manipulating real sentences and timelines.

61. subject–verb agreement

Definition: the matching of a subject with the correct verb form.

Example: The student writes; the students write.

Transfer: Use or demonstrate subject–verb agreement in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

62. singular subject

Definition: a subject referring to one person, thing or unit.

Example: The student is a singular subject.

Transfer: Use or demonstrate singular subject in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

63. plural subject

Definition: a subject referring to more than one.

Example: The students is a plural subject.

Transfer: Use or demonstrate plural subject in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

64. agreement with be

Definition: matching is/are or was/were to the subject.

Example: The book is here; the books are here.

Transfer: Use or demonstrate agreement with be in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

65. agreement with have

Definition: matching has or have to the subject.

Example: She has a notebook; they have notebooks.

Transfer: Use or demonstrate agreement with have in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

66. agreement with do

Definition: matching does or do to the subject.

Example: He does the task; they do the task.

Transfer: Use or demonstrate agreement with do in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

67. prepositional phrase trap

Definition: mistaking a noun inside a prepositional phrase for the true subject.

Example: The box of crayons is full: box, not crayons, controls agreement.

Transfer: Use or demonstrate prepositional phrase trap in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

68. compound subject

Definition: two or more subjects joined together.

Example: Alicia and Tricia are ready.

Transfer: Use or demonstrate compound subject in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

69. collective noun

Definition: a noun naming a group that may take singular or plural agreement depending on dialect and intended meaning.

Example: The team is ready is common in American school English.

Transfer: Use or demonstrate collective noun in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

70. agreement error

Definition: a mismatch between subject and verb form.

Example: The students writes is an agreement error.

Transfer: Use or demonstrate agreement error in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Subject–Verb Agreement mini-practice

Create one sentence demonstrating subject–verb agreement. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating singular subject. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating plural subject. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating agreement with be. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating agreement with have. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating agreement with do. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating prepositional phrase trap. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating compound subject. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating collective noun. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating agreement error. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Tense Consistency

These ten entries belong to the tense consistency family. Learn each by manipulating real sentences and timelines.

71. tense consistency

Definition: keeping verb tense stable unless time actually changes.

Example: Alicia checked the data and wrote the conclusion.

Transfer: Use or demonstrate tense consistency in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

72. tense shift

Definition: a change from one tense to another.

Example: Checked suddenly changing to writes creates a tense shift if time has not changed.

Transfer: Use or demonstrate tense shift in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

73. justified shift

Definition: a tense change supported by a real change in time or viewpoint.

Example: The report explains what the team discovered yesterday uses a justified shift.

Transfer: Use or demonstrate justified shift in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

74. time frame

Definition: the period in which the writing is located.

Example: The narrative stays in a past time frame.

Transfer: Use or demonstrate time frame in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

75. narrative tense

Definition: the tense pattern used to tell story events.

Example: Kai Kai keeps the narrative tense in the past.

Transfer: Use or demonstrate narrative tense in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

76. report tense

Definition: the tense choices used in informational writing.

Example: A Science report may use present tense for general truths and past tense for completed procedures.

Transfer: Use or demonstrate report tense in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

77. sequence of tenses

Definition: the way tense choices relate across clauses.

Example: Tricia checks the sequence of tenses in the paragraph.

Transfer: Use or demonstrate sequence of tenses in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

78. backshift

Definition: a shift to a past form often used in reported speech.

Example: She said that she was tired shows backshift.

Transfer: Use or demonstrate backshift in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

79. time consistency

Definition: keeping time expressions and verb forms logically aligned.

Example: Yesterday works with checked, not will check, unless the viewpoint changes.

Transfer: Use or demonstrate time consistency in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

80. tense repair

Definition: editing a sentence so verb forms match the intended timeline.

Example: Alicia performs tense repair in the draft.

Transfer: Use or demonstrate tense repair in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Tense Consistency mini-practice

Create one sentence demonstrating tense consistency. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating tense shift. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating justified shift. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating time frame. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating narrative tense. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating report tense. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating sequence of tenses. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating backshift. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating time consistency. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating tense repair. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Questions, Negatives and Auxiliaries

These ten entries belong to the questions, negatives and auxiliaries family. Learn each by manipulating real sentences and timelines.

81. auxiliary verb

Definition: a helping verb used with a main verb.

Example: Do is an auxiliary in Do you know?

Transfer: Use or demonstrate auxiliary verb in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

82. question form

Definition: a verb pattern used to ask a question.

Example: Did she finish? uses question form.

Transfer: Use or demonstrate question form in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

83. negative form

Definition: a verb pattern used to deny or negate.

Example: She did not finish uses a negative form.

Transfer: Use or demonstrate negative form in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

84. do-support

Definition: using do, does or did to form many English questions and negatives.

Example: Do-support creates Did Kai Kai finish?

Transfer: Use or demonstrate do-support in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

85. inversion

Definition: changing ordinary subject–auxiliary order in many questions.

Example: She is ready becomes Is she ready?

Transfer: Use or demonstrate inversion in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

86. short answer

Definition: a brief response using an auxiliary verb.

Example: Yes, she does is a short answer.

Transfer: Use or demonstrate short answer in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

87. can

Definition: a modal expressing ability or possibility.

Example: Alicia can explain the method.

Transfer: Use or demonstrate can in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

88. should

Definition: a modal often expressing advice or expectation.

Example: Tricia should check the units.

Transfer: Use or demonstrate should in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

89. must

Definition: a modal often expressing strong necessity.

Example: Kai Kai must wear safety goggles.

Transfer: Use or demonstrate must in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

90. might

Definition: a modal expressing possibility.

Example: The result might change.

Transfer: Use or demonstrate might in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Questions, Negatives and Auxiliaries mini-practice

Create one sentence demonstrating auxiliary verb. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating question form. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating negative form. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating do-support. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating inversion. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating short answer. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating can. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating should. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating must. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating might. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Verb Editing and Transfer

These ten entries belong to the verb editing and transfer family. Learn each by manipulating real sentences and timelines.

91. identify

Definition: find the verb or verb phrase in a sentence.

Example: Alicia identifies has been waiting as the verb phrase.

Transfer: Use or demonstrate identify in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

92. conjugate

Definition: change a verb into the form required by tense, person or number.

Example: Tricia conjugates be as is or are.

Transfer: Use or demonstrate conjugate in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

93. revise

Definition: change wording or structure to improve meaning.

Example: Kai Kai revises the tense sequence.

Transfer: Use or demonstrate revise in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

94. edit

Definition: correct grammar and usage.

Example: Alicia edits an agreement error.

Transfer: Use or demonstrate edit in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

95. proofread

Definition: check a nearly finished text for surface errors.

Example: Tricia proofreads verb endings.

Transfer: Use or demonstrate proofread in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

96. replace

Definition: substitute a better verb form.

Example: Kai Kai replaces goed with went.

Transfer: Use or demonstrate replace in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

97. reorder

Definition: change word order to form a correct question or clause.

Example: Alicia reorders the auxiliary and subject.

Transfer: Use or demonstrate reorder in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

98. clarify time

Definition: make the timeline easier to understand.

Example: Tricia adds yesterday to clarify time.

Transfer: Use or demonstrate clarify time in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

99. verb check

Definition: a systematic review of verb form, tense and agreement.

Example: Kai Kai performs a verb check on every sentence.

Transfer: Use or demonstrate verb check in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

100. transfer

Definition: use tense and agreement control independently across new writing.

Example: Alicia transfers verb control into narratives, reports and explanations.

Transfer: Use or demonstrate transfer in a different Grade 4 subject. Explain what clue tells the reader which tense or agreement form is required.

Verb Editing and Transfer mini-practice

Create one sentence demonstrating identify. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating conjugate. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating revise. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating edit. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating proofread. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating replace. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating reorder. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating clarify time. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating verb check. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.
Create one sentence demonstrating transfer. Label the subject, verb phrase and time reference, then transform one feature without breaking the grammar.

Ten Core Verb Workouts

Change five simple-present sentences from singular subjects to plural subjects and repair the verb forms.
Convert five regular and irregular present verbs into simple past forms.
Write the same event in present, past and future reference.
Use present progressive and past progressive to show ongoing actions.
Contrast simple past with past progressive in one interrupted-action sentence.
Bracket prepositional phrases to find the true subject in five agreement sentences.
Repair a paragraph containing three unjustified tense shifts.
Write questions and negatives using do, does and did correctly.
Use can, should, must and might in sentences that preserve their different meanings.
Edit one short narrative and one Science explanation for different tense patterns.

100 Retrieval Prompts

Retrieve the verb or tense term meaning “a word expressing action, occurrence or state”: verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb expressing an action”: action verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb connecting the subject to a description or identity”: linking verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb used with a main verb to express tense, possibility or another grammatical meaning”: helping verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the central verb carrying the main lexical meaning”: main verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a main verb together with one or more helping verbs”: verb phrase. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the basic dictionary form of a verb”: base form. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb form marked for tense or agreement and able to anchor a clause”: finite verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb form such as an infinitive or participle that does not by itself show ordinary tense agreement”: nonfinite verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the particular grammatical shape a verb takes”: verb form. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a tense used for habits, repeated actions, general truths and many present states”: simple present. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a repeated action expressed in the present”: present habit. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a statement presented as generally true”: general truth. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the -s or -es ending commonly added to present-tense verbs with he, she or it”: third-person singular -s. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “present auxiliary used in questions and negatives”: do. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “third-person singular form of do”: does. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “negative simple-present form for most subjects”: do not. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “negative simple-present form for third-person singular subjects”: does not. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “matching the present-tense verb form to the subject”: present agreement. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a time expression often associated with current or habitual meaning”: present-time marker. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a tense commonly used for completed past events”: simple past. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a past-tense form commonly made with -ed”: regular past. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a past-tense form not made by simply adding -ed”: irregular past. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a phrase locating an event in the past”: past time marker. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “past auxiliary used in questions and negatives”: did. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “negative simple-past form”: did not. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “past form of be commonly used with singular first- or third-person subjects”: was. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “past form of be commonly used with plural subjects and you”: were. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an action presented as finished in the past”: completed action. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a series of completed past events”: past sequence. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a modal commonly used to refer to future events, predictions or decisions”: will. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “negative form of will”: will not. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a common construction for plans or expected future events”: going to. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an expression locating an event after the present”: future time marker. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a statement about what is expected to happen”: prediction. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an intended future action”: plan. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a purpose or decision about future action”: intention. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a future event expressed using a schedule-like present form”: scheduled future. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “language that points to a time after the present”: future reference. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a helping verb such as can, could, may, might, must, should or will”: modal verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a form built with am/is/are plus -ing for an ongoing present situation”: present progressive. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a form built with was/were plus -ing for an ongoing past situation”: past progressive. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a form built with will be plus -ing for an ongoing future situation”: future progressive. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb form ending in -ing used in progressive constructions and other roles”: -ing form. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an action presented as in progress”: ongoing action. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an ongoing action forming the background to another event”: background action. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a situation presented as limited in duration”: temporary situation. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “first-person singular present form of be”: am. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “third-person singular present form of be”: is. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “present form of be used with you and plural subjects”: are. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a regular verb pair”: walk-walked. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a regular verb pair”: play-played. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a regular past pattern changing consonant + y to -ied”: study-studied. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a regular spelling pattern doubling a final consonant before -ed”: stop-stopped. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: go-went. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: see-saw. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: take-took. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: write-wrote. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: bring-brought. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “an irregular verb pair”: teach-taught. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the matching of a subject with the correct verb form”: subject–verb agreement. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a subject referring to one person, thing or unit”: singular subject. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a subject referring to more than one”: plural subject. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “matching is/are or was/were to the subject”: agreement with be. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “matching has or have to the subject”: agreement with have. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “matching does or do to the subject”: agreement with do. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “mistaking a noun inside a prepositional phrase for the true subject”: prepositional phrase trap. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “two or more subjects joined together”: compound subject. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a noun naming a group that may take singular or plural agreement depending on dialect and intended meaning”: collective noun. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a mismatch between subject and verb form”: agreement error. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “keeping verb tense stable unless time actually changes”: tense consistency. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a change from one tense to another”: tense shift. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a tense change supported by a real change in time or viewpoint”: justified shift. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the period in which the writing is located”: time frame. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the tense pattern used to tell story events”: narrative tense. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the tense choices used in informational writing”: report tense. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “the way tense choices relate across clauses”: sequence of tenses. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a shift to a past form often used in reported speech”: backshift. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “keeping time expressions and verb forms logically aligned”: time consistency. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “editing a sentence so verb forms match the intended timeline”: tense repair. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a helping verb used with a main verb”: auxiliary verb. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb pattern used to ask a question”: question form. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a verb pattern used to deny or negate”: negative form. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “using do, does or did to form many English questions and negatives”: do-support. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “changing ordinary subject–auxiliary order in many questions”: inversion. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a brief response using an auxiliary verb”: short answer. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a modal expressing ability or possibility”: can. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a modal often expressing advice or expectation”: should. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a modal often expressing strong necessity”: must. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a modal expressing possibility”: might. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “find the verb or verb phrase in a sentence”: identify. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “change a verb into the form required by tense, person or number”: conjugate. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “change wording or structure to improve meaning”: revise. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “correct grammar and usage”: edit. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “check a nearly finished text for surface errors”: proofread. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “substitute a better verb form”: replace. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “change word order to form a correct question or clause”: reorder. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “make the timeline easier to understand”: clarify time. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “a systematic review of verb form, tense and agreement”: verb check. Then create one sentence demonstrating it.
Retrieve the verb or tense term meaning “use tense and agreement control independently across new writing”: transfer. Then create one sentence demonstrating it.

100 Transformation Challenges

Use verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use action verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use linking verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use helping verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use main verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use verb phrase in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use base form in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use finite verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use nonfinite verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use verb form in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use simple present in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use present habit in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use general truth in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use third-person singular -s in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use do in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use does in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use do not in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use does not in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use present agreement in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use present-time marker in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use simple past in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use regular past in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use irregular past in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use past time marker in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use did in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use did not in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use was in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use were in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use completed action in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use past sequence in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use will in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use will not in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use going to in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use future time marker in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use prediction in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use plan in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use intention in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use scheduled future in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use future reference in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use modal verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use present progressive in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use past progressive in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use future progressive in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use -ing form in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use ongoing action in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use background action in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use temporary situation in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use am in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use is in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use are in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use walk-walked in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use play-played in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use study-studied in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use stop-stopped in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use go-went in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use see-saw in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use take-took in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use write-wrote in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use bring-brought in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use teach-taught in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use subject–verb agreement in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use singular subject in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use plural subject in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use agreement with be in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use agreement with have in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use agreement with do in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use prepositional phrase trap in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use compound subject in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use collective noun in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use agreement error in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use tense consistency in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use tense shift in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use justified shift in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use time frame in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use narrative tense in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use report tense in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use sequence of tenses in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use backshift in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use time consistency in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use tense repair in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use auxiliary verb in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use question form in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use negative form in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use do-support in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use inversion in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use short answer in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use can in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use should in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use must in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use might in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use identify in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use conjugate in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use revise in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use edit in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use proofread in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use replace in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use reorder in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use clarify time in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use verb check in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.
Use transfer in a sentence. Change the subject, number, time marker or auxiliary and revise the verb form so the sentence remains grammatical.

100 Error-Repair Challenges

Create one realistic Grade 4 error involving verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving action verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving linking verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving helping verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving main verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving verb phrase. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving base form. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving finite verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving nonfinite verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving verb form. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving simple present. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving present habit. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving general truth. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving third-person singular -s. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving do. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving does. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving do not. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving does not. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving present agreement. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving present-time marker. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving simple past. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving regular past. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving irregular past. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving past time marker. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving did. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving did not. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving was. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving were. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving completed action. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving past sequence. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving will. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving will not. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving going to. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving future time marker. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving prediction. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving plan. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving intention. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving scheduled future. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving future reference. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving modal verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving present progressive. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving past progressive. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving future progressive. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving -ing form. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving ongoing action. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving background action. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving temporary situation. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving am. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving is. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving are. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving walk-walked. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving play-played. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving study-studied. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving stop-stopped. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving go-went. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving see-saw. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving take-took. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving write-wrote. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving bring-brought. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving teach-taught. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving subject–verb agreement. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving singular subject. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving plural subject. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving agreement with be. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving agreement with have. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving agreement with do. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving prepositional phrase trap. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving compound subject. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving collective noun. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving agreement error. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving tense consistency. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving tense shift. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving justified shift. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving time frame. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving narrative tense. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving report tense. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving sequence of tenses. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving backshift. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving time consistency. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving tense repair. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving auxiliary verb. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving question form. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving negative form. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving do-support. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving inversion. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving short answer. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving can. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving should. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving must. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving might. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving identify. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving conjugate. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving revise. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving edit. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving proofread. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving replace. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving reorder. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving clarify time. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving verb check. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.
Create one realistic Grade 4 error involving transfer. Repair it and explain whether the failure concerns tense, agreement, irregular form, auxiliary choice, time consistency or word order.