I. Chuyển các câu sau từ câu chủ động sang câu bị động:
1. How many languages do they speak Canada?
2. Did Mary buy this beautiful dress?
3. Have the thieves slolen the most valuable painting in the national museum?
4. How many times have I told you to keep silent in class?
5. Are you going to help her solve that problem?
6. How did you find the keys in such a dark and messy room?
7. Have you turned of the air-conditioner?
8. When will you hand in the required assignment?
9. Should I send a complaint letter to the mayor?
10. Had you come to any conclusions before we came?
11. The students found the lecture boring.
12. The council considered the decrease in youth literacy rate the most alarming issue.
13. They reported that five men were injured in that accident.
14. They said those people are admirable.
15. They collect garbage on the beach every morning.
16. My sister sent me a gift on my birthday.
17. The waitress didn't bring me the dish I ordered.
18. Nguyen Thi Anh Vien broke Southeast Asian Games record on August 21st.
19. My father believes I will follow his advice.
20. My parents didn't allow me to play by the river.
I. Chuyển các câu sau từ câu chủ động sang câu bị động:
1. How many languages do they speak Canada?
How many languages are spoken in Canada ?
2. Did Mary buy this beautiful dress?
Was this beautiful dress bought by Mary ?
3. Have the thieves slolen the most valuable painting in the national museum?
Has the most valuable painting in the national museum been stolen by the thieves ?
4. How many times have I told you to keep silent in class?
How many times have you been told to keep silent in class ?
5. Are you going to help her solve that problem?
Is she going to be helped to solve that problem (by you) ?
6. How did you find the keys in such a dark and messy room?
How were the keys found in such a dark and messy room (by you) ?
7. Have you turned of the air-conditioner?
Has the air-conditioner been turned off (by you) ?
8. When will you hand in the required assignment?
When will the required assignment be handed in (by you) ?
9. Should I send a complaint letter to the mayor?
Should a complaint letter be sended to the mayor (by me) ?
10. Had you come to any conclusions before we came?
Had any conclusions been come (by you) before we came ?
11. The students found the lecture boring.
The lecture was found boring by the students
12. The council considered the decrease in youth literacy rate the most alarming issue.
The decrease in youth literacy rate was considered the most alarming issue by the council
13. They reported that five men were injured in that accident.
It was reported that five men were injured in that accident / Five men were reported to be injured in that accident
14. They said those people are admirable.
It is said (that) those people are admirable
15. They collect garbage on the beach every morning.
Garbage is collected on the beach every morning
16. My sister sent me a gift on my birthday.
I was sent a gift on my birthday by my sister / A gift was sent to me on my birthday by my sister
17. The waitress didn't bring me the dish I ordered.
I wasn't brought the dish I ordered by the waitress / The dish I ordered wasn't brought to me by the waitress
18. Nguyen Thi Anh Vien broke Southeast Asian Games record on August 21st.
Southeast Asian Games record was broken by NTAV on August 21st
19. My father believes I will follow his advice.
I am believed to follow my father's advice by him / It's believed that I will follow my father's advice by him
20. My parents didn't allow me to play by the river.
I wasn't allowed to play by the river by my parents
