=>
1. Ba asked me if I liked movies.
2. John asked me if I had got a driving licence.
3. Na asked Hoa if she could swim.
4. He asked when it arrived in York.
5. Linh asked me if my father went to work by his car.
6. He said that he had left school a year before.
7. Thu asked Ba if he could lend her his umbrella.
8. He asked me if I had ever seen that film.
9. She said that she had gone to Do Son the week before.
10. She said that she had gone to see him the day before.
11. She said that she didn't want to meet him again.
12. He asked me if I could speak French.
13. He explained that he hadn't broken the vase.
14. My mother said that she was cooking then.
15. Helen asked me how long I had stayed there.
16. He said that he liked that book.
17. Ha asked Nam how his father went to work.
18. Nam asked Minh if he was a new student in his class.
19. Mai's friends asked her if she had lived there for a long time.
20. One of the men asked me what would happen to Mr.Atkins.
21. He wanted to know what time John got up.
22. A third enquired who was going to live in the big house.

23. Someone else asked what would happen to his race horse.
24. Bill asked how long I had lived there.
25. Mr.Atkin asked me what I had done the afternoon before.
26. Bob asked what platform the train left from.
27. Tom asked Mary if Susan had come to her party the night before.
28. Mary asked me why I hadn't come to her party the Sunday before.
29. The teacher advised Tam to do her homework every day.
30. The officer asked me what I had done befoe 9 p.m the night before.
31. She said that if the wather was fine, she would go on a picnic with her friends.
32. I asked him what would he do if he had three days off.
33. She said to Jim that she would have come to see him if she had known his address.
34. He told me that he was sure she would help him if he asked her.
35. The nurse asked me when my little boy had been born.
36. She aske when they could have dinner.

37. Nancy asked John why he hadn't called her.
38. Mai asked me if I often got up late.
39. Nam's mother asked him if he had visited his friend the night before.
40. Ha asked Ba if he would come there the following day.

1. Ba asked me if I liked movies.
2. John asked me if I had got a driving licence.
3. Na asked Hoa if she could swim.
4. He asked when it arrived in York.
5. Linh asked me if my father went to work by his car.
6. He said that he had left school a year before.
7. Thu asked Ba if he could lend her his umbrella.
8. He asked me if I had ever seen that film.
9. She said that she had gone to Do Son the week before.
10. She said that she had gone to see him the day before.
11. She said that she didn't want to meet him again.
12. He asked me if I could speak French.
13. He explained that he hadn't broken the vase.
14. My mother said that she was cooking then.
15. Helen asked me how long I had stayed there.
16. He said that he liked that book.
17. Ha asked Nam how his father went to work.
18. Nam asked Minh if he was a new student in his class.
19. Mai's friends asked her if she had lived there for a long time.
20. One of the men asked me what would happen to Mr.Atkins.
21. He wanted to know what time John got up.
22. A third enquired who was going to live in the big house.

23. Someone else asked what would happen to his race horse.
24. Bill asked how long I had lived there.
25. Mr.Atkin asked me what I had done the afternoon before.
26. Bob asked what platform the train left from.
27. Tom asked Mary if Susan had come to her party the night before.
28. Mary asked me why I hadn't come to her party the Sunday before.
29. The teacher advised Tam to do her homework every day.
30. The officer asked me what I had done befoe 9 p.m the night before.
31. She said that if the wather was fine, she would go on a picnic with her friends.
32. I asked him what would he do if he had three days off.
33. She said to Jim that she would have come to see him if she had known his address.
34. He told me that he was sure she would help him if he asked her.
35. The nurse asked me when my little boy had been born.
36. She aske when they could have dinner.

37. Nancy asked John why he hadn't called her.
38. Mai asked me if I often got up late.
39. Nam's mother asked him if he had visited his friend the night before.
40. Ha asked Ba if he would come there the following day.

Cấu trúc của if:

Câu điều kiện loại 0:

If + S+ V

Câu điều kiện loại 1:

If + S + V + S + will + V

Câu điều kiện loại 2:

If + S + V-ed+S + would + V

Câu điều kiện loại 3:

If + S + had + V-PII + S + would + have + V-PII

Câu điều kiện hỗn hợp:

If + S + had + V-PII + S + would + V

-  Trong câu điều kiện có mệnh đề phụ ở dạng phủ định, chúng ta có thể dùng “unless” thay cho “if not…”

-  Trong câu điều kiện loại I, chúng ta có thể sử dụng thì tương lai đơn trong mệnh đề phụ nếu mệnh đề phụ diễn ra sau khi mệnh đề trình diễn ra.

-  Trong câu điều kiện loại 2, chúng ta  sử dụng “were” thay cho “was”

- Cách dùng của câu điều kiện loại 2 và câu điều kiện loại 3 thường được sử dụng trong cấu trúc câu wish và cấu trúc câu would rather để thể hiện sự tiếc nuối hoặc ý trách móc ai đó đã hoặc không làm gì