11. He said he could not drive them home.

12. She asked Peter whether he prefered tea or coffee.

13. He said the film began at 7 o'clock. 

14. The father said he had been on a business trip the whole day the day before. 

15. James said his brother would get maried the following month.

16. Henry told his mother to come and spend a week with them.

17. He told me to keep a seat for him in the lecture hall.

18. Mike told Henry to give him his book back.

19. She told the boy not to play on the ground.

20. He told me not to go too far.

21. He told me not to make so much noise.

$mien$

11. He said he could not drive them home. ( chuyển can-> could vì đây là câu gián tiếp nên lùi 1 thì)

12. She asked Peter whether he prefered tea or coffee.

( chuyển câu hỏi sang gián tiếp S+asked + if/wether+S+V)

13. He said the film began at seven o'clock. (begin -> began vì đây là câu gián tiếp)

14. The father said he had been on a business trip the whole day the day before. 

(Câu gián tiếp nên lùi 1 thì: Quá khứ đơn chuyển thành Quá khứ hoàn thành)

yesterday -> the day before

15. James said his brother would get maried the following month.

(will -> would, next month -> the following month)

16. Henry told his mother to come and spend a week with them.

17. He told me to keep a seat for him in the lecture hall.

18. Mike told Henry to give him his book back.

19. She told the boy not to play on the ground.

20. He told me not to go too far.

21. He told me not to make so much noise.

( Câu mệnh lệnh, yêu cầu chuyển sang dạng gián tiếp thì cấu trúc là: S+ told sbd (not) to do something.) Phần này áp dụng cấu trúc từ câu 16 đến 21.