2. A lot of songs about Hanoi have been composed by Phu Quang.

3. I was not informed about the change of plans by anyone.

4. Which book was read by you last night?

5. By whom was the telephone invented? 

6. Her motorbike has been stolen.

7. Electric had been invented before I was born.

8. Our class is cleaned by the students everyday.

9. I am taken to school by my brother every morning.

10. This castle was built in 1756.

11. Tom wasn't allowed to take these books home.

2. A lot of songs have been composed about Ha Noi Phu Quang.

-> Câu bị động hiện tại hoàn thành: S + have/has + been + Vpp

3. I wasn't informed about the change of the plan.

-> Câu bị động quá khứ đơn: S + was/were + Vpp

4. Which book was read by you last night ?

5. By whom was the telephone invented ?

6. Her motorbike has been stolen.

7. Electric lights have been invented before I was born.

8. Our class are cleaned by the students everyday.

9. I am taken to school by my brother every morning.

10. This castle was built in 1958.