1. Their friend has been met at the station by my student .

2. Tom wasn't allowed to take these.... 

3. Exercises won't be corrected by the teacher tomorrow .

4. How many trees was cut down ?

5. Many people are attracted by this well- known library. 

6. The meeting is attended by all students .

7. He is said that is intelligent. ( mk ko chắc câu này lắm) 

8. My bike can't be repaired by him .

9. Tom has been operated by Mary since 10 o'clock .

10. We have been taught by Mr Smith for 2 years. 

11. The children weren't looked after properly. 

12. This street wasn't swept last week .

13. A great deal of tea is drunk in England. 

14. English is spoken all over the world. 

15. 2 poems were being written by Tom.

16. Her dog is often taken for a walk by her. 

17. I wasn't introduced to her mother by her. 

18. Câu này đề bài có sai ko v mk ko hiểu đề cho lắm bn xem lại xem nhez

#Chúc bạn học tốt 

# Xin 5 🌟 và tlhn nếu ctl giúp đc bn nhez

(๑・ω-)～♥”

My students have met their friend at the station.

- My students's friend has been met at the station by my student.

They didn't allow Tom to take these books home.

- Tom wasn't allowed to take these book home (by them).

The teacher won't correct exercises tomorrow.

- The exercises won't be correct by the teacher tomorrow.

How many trees did they cut down?

- How many trees were cut dowm (by them)?

This well-known library attracts many people.

- Many people are attracted by this well-known library.

All students attended the meeting.

- The meeting was attended by all students.

People say that he is intelligent. (câu này có 2 cách nhé)

- He is said to be very intelligent.

- It's said that he is very intelligent.

He can't repair my bike.

- My bike can't be repair (by him).

Mary has operated Tom since 10 o'clock.

- Tom has been operated by Mary since 10 o'clock.

Mr. Smith has taught us French for 2 years.

- We have been taught French by Mr. Smith for 2 years.

They didn't look after the children properly.

- The children were looked after properly (by them).

Nobody swept this street last week.

- This street wasn't swept last week.

People drink a great deal of tea in England.

- A great deal of tea is drunk in England (by people).

People speak English all over the world.

- English is spoken all over the world (by people).

Tom was writing 2 poems.

- 2 poems were being writing by Tom.

She often takes her dog for a walk.

- Her dog is often taken for a walk (by her).

She didn't introduce me to her mother.

- I wasn't introduced to hẻ mother (by her).

Farmers usually milk cows twice a (cái này bị thiếu, bạn tự điền nhé, ở đây mình đặt là "x")

- Cows are usually milked by farmer twice a x.

Cấu trúc câu bị động: S+be(chia theo thì)+V-ed(cột3)+(trạng từ chỉ địa điểm)+(by O)+(trạng từ chỉ thời gian). Với S là O trong câu chủ động, by O là S trong câu chủ động.