Original: Our lessons always finish at 3 o'clock. (Negative Sentence)

Here are the corrected sentences:

14. Original: Our lessons always finish at 3 o'clock. (Negative Sentence)

    • Student's attempt: Our does not lesson always finish at 3 o'clock.
    • Correction: "Lessons" is plural, so "do not" is used, and "always" comes after the auxiliary verb.
    • Answer: Our lessons do not always finish at 3 o'clock.

15. Original: Anita is the best radio singer of our school. (Negative Sentence)

    • Student's attempt: Anita isn't the best singer of our school.
    • Correction: The word "radio" was omitted.
    • Answer: Anita isn't the best radio singer of our school.

16. Original: The dog runs after the cat. (Yes/No question)

    • Student's attempt: The dog run after the cat. does
    • Correction: The auxiliary verb "Does" should start the question, and a question mark is needed.
    • Answer: Does the dog run after the cat?

17. Original: The children are not at home. (Affirmative sentence)

    • Student's attempt: The Childrens are at home.
    • Correction: "Children" is already plural; "childrens" is incorrect.
    • Answer: The children are at home.

18. Original: Steve has not drawn nice pictures. (Affirmative sentence)

    • Student's attempt: Steve has drawn nice pictures.
    • Answer: Steve has drawn nice pictures.

19. Original: She cut her finger. (Yes/No question)

    • Student's attempt: She Do: She cut her finger.
    • Correction: To form a yes/no question in the past tense, "Did" is used at the beginning, and a question mark is needed.
    • Answer: Did she cut her finger?

20. Original: She hurt me. (Negative Statement)

    • Student's attempt: She do not hurt me.
    • Correction: Assuming "hurt" is in the past tense, "did not" should be used.
    • Answer: She did not hurt me.

21. Original: The boy did not run fast. (Affirmative sentence)

    • Student's attempt: The boy run fast.
    • Correction: The verb "run" should be in the past tense ("ran") for an affirmative sentence corresponding to "did not run".
    • Answer: The boy ran fast.

22. Original: She will write a letter. (Yes/No question)

    • Student's attempt: will she write a letter
    • Correction: A question mark is needed at the end.
    • Answer: Will she write a letter?

23. Original: He could drive his friends home. (Negative sentence)

    • Student's attempt: He couldn't drive his friends home.
    • Answer: He couldn't drive his friends home.

24. Original: Mamata did not spend much money. (Affirmative statement)

    • Student's attempt: Mamata spend many money.
    • Correction: The verb "spend" should be in the past tense ("spent"), and "many money" is grammatically incorrect; "a lot of money" or "much money" would be appropriate.
    • Answer: Mamata spent a lot of money.

25. Original: The police caught the thief. (Yes/No question)

    • Student's attempt: Did the police Catch the thief.
    • Correction: "Catch" should not be capitalized in the middle of the sentence, and a question mark is needed.
    • Answer: Did the police catch the thief?