$\text{1 Your bicycle must be kept clean. }$

$\text{2 The film which we have watched 3 times was interesting.}$

$\text{3 That dress makes you look more beautiful.}$

$\text{4 Mr. Martin who is one of my brother's friends is a good singer.}$

$\text{5 Our English teacher, who you met at the airport, teaches very well.}$

$\text{6 The boy kept on playing football in the rain.}$

$\text{7 If the weather weren't bad, we would go on a trip.}$

$\text{8 If he doesn't do any exercise, he will be fat.}$

$\text{9 Unless he always complained, people would like him.}$

$\text{10 I wish I could go to the cinema.}$

$\text{11 I wish I could join the trip.}$

$\text{12 He wishes he didn't get bad marks.}$

$\text{13 I wish I could go out with you now.}$

$\text{14 If he drinks too much coffee, he can't sleep.}$

$\text{15 This clock was bought by my father when we moved to our new house.}$

$\text{16 Dong Ba market is the place where many people go there to buy and sell things.}$

$\text{17 Childhood when we had many wonderful memories is a sweet period of time.}$

$\text{18 So many trees are being cut in the forest.}$

$\text{19 It is good exercise to walk a mile a day.}$

$\text{20 The woman is seen putting the jewelry in her bag by the detective.}$

1. Your bicycle must be kept clean. 

→ câu bị động với modal V

2. The film which we have watched 3 times was interesting.

3. That dress makes you look more beautiful.

4. Mr. Martin who is one of my brother's friends is a good singer.

5. Our English teacher, who you met at the airport, teaches very well.

6. The boy kept on playing football under the rain.

→ keep on ≈ continue

7. If the weather weren't bad, we would go on a trip.

→ câu điều kiện loại 2 trái với HT

8. If he doesn't do any exercises, he will be fat.

→ câu điều kiện loại 1 diễn tả việc sẽ xảy ra ở HT hoặc TL

9. Unless he always complained, people would like him.

→ câu điều kiện loại 2 trái với HT

10. I wish I could go to the cinema.

11. I wish I could join the trip.

→ câu cầu ước trái với HT dùng QKD

12. He wishes he didn't get bad marks.

→ câu cầu ước trái với HT dùng QKD

13. I wish I could go out with you now.

→ câu cầu ước trái với HT dùng QKD

14. If he drinks too much coffee, he can't sleep.

→ câu điều kiện loại 1 diễn tả việc sẽ xảy ra ở HT hoặc TL

15. This clock was bought by my father when we moved to our new house.

→ câu bị động thì QKD

16. Dong Ba market is the place where many people go to there to buy and sell things.

17. Childhood when we had many wondeful memories is a sweet period of time.

18. So many trees are being cut in the forest.

→ Câu bị động thì HTTD

19. It is good exercise to walk a mile a day.

20. The woman is seen putting the jewellery in her bag by the detective.

→ Câu bị động thì HTD