1.A new idea has been suggested by our boss.

2.This sweater mush be washed in warm water.

3.The last shirt of this style was sold a few hours  ago.

4.The Eiffel Tower was built in 1889.

5.He is being questioned at the police's headquarters by the police.

6.A nice gift was sent on my birthday by him.

7.Rice is grown in tropical countries.

8.A new car will be bought by my father next month.

9.This room is cleaned everyday.

10.Her homework hasn't been done by her yet.

11.You will be told what time the train leaves by my sister.

12.Some friends of hers have been asked to join us.

*Câu bị động thì (Ở những câu trên)

-HTĐ: S+am/is/are+VII/Ved+(by sb)

-HTTD: S+am/is/are+being+VII/Ved+(by sb)

-HTHT:S+have/has+been+PII/Ped+(by sb)

-TLĐ: S+will be+Ved/VII+(by sb)

-QKĐ: S+was/were+VII/Ved+(by sb)