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19. Mr. Pike said to me that he needed me to help him with that work that night.

20. Helen asked the child if he was going to visit his uncle the following day.

21. She asked her friend if he went to school by bike that day.

22. The man asked his daughter if she had felt sick the day before.

23. Paul asked his mother if he would put that wardrobe there.

24. Uyen asked Nam to lend her some money to buy that book.

25. She asked us if we would be ready to start the course that night.

26. John told Mary that he would give her a new bike the following summer.

27. Mary told Peter that she was looking for the book he had given her the previous week.

28. Tom said that he had to leave then. 

Câu tường thuật dạng Yes/No questions : asked sb if S V(lùi thì)

HTĐ -> QKĐ

Is/Am/Are going to V -> Was/were going to V

QKĐ -> QKHT

Shall -> Would

Will -> Would

HTTD -> QKTD

Must -> Had to

Asked sb to V : yêu cầu ai làm gì

* Khi chuyển từ một lời nói trực tiếp sang gián tiếp, ghép nội dung tường thuật ở phía sau câu nói và hạ động từ của nó xuống một cấp quá khứ, đại từ được chuyển đổi cho phù hợp:Nếu động từ tường thuật (reporting verb) chia ở các thì hiện tại chúng ta giữ nguyên thì (tense) của động từ chính, đại từ chỉ định và các trạng từ chỉ nơi chốn cũng như trạng từ chỉ thời gian trong câu trực tiếp khi chuyển sang gián tiếp. 

19. Mr. Pike told me that he needed me to help him with that work that night. 

20.Helen asked the child if he/she was going to visit his uncle the following day.

21.She asked her friend if he/she wanted to go to school by bike that day.

22. The man said to his daughter if she felt sick the day before.

23. Paul asked his mother if she should put that wardrobe there.

24.Uyen asked if she could lend her some money to buy that book. 

25. She asked us to be ready to start the course that night.

26. John told Mary that he would give her a new bike the next summer.

27.Mary told Peter  she was looking for the book he gave her the previous week.

28. Tom said he had to leave then.