I. Change the following sentences to passive voice. 1. They have discussed the pollution problems since last month _________________________________________________________________ 2. Is he going to repair this bicycle? _________________________________________________________________ 3. Have you sent the invitation cards to your friends? _________________________________________________________________ 4. My father moved the sofa into the living room. _________________________________________________________________ 5. They inform me that the manager is going to travel to Germany. _________________________________________________________________ 6. We believed that Linda would pass the driving test. _________________________________________________________________ 7. Gary gets his brother to clean his car. _________________________________________________________________ 8. He will have a veterinary surgeon examine her cat. _________________________________________________________________ 9. People don't force the children to work hard. _________________________________________________________________ 10. Police advise drivers to drive slowly and safely.

1. The pollution problems have been discussed since last month.

2. Is this bicycle going to be repaired by him?

3. Have the invitation cards been sent to your friends (by you)?

4. The sofa was moved into the living room by my father.

5. I am informed that the manager is going to travel to Germany.

6. Linda was believed to pass the driving test.

7. Gary gets his car cleaned by his brother.

8. He will have her cat examined by a veterinary surgeon.

9. The children aren't forced to work hard.

10. Drivers are advised to drive slowly and safely (by the police).

`@` Công thức bị động các thì:

`-` HTĐ: S + am/is/are + V3/V-ed + (by O)

`-` HTTD: S + am/is/are + being + V3/V-ed + (by O)

`-` QKĐ: S + was/were + V3/V-ed + (by O)

`-` QKTD: S + was/were + being + V3/V-ed + (by O)

`-` TLĐ: S + will be + V3/V-ed + (by O)

`-` HTHT: S + have/has + been + V3/V-ed + (by O)

`-` TLG: S + am/is/are + going to be + V3/V-ed + (by O)

`-` TLHT: S + will have been + V3/V-ed + (by O)

`-` QKHT: S + had been + V3/V-ed + (by O)

`-` BĐ kép: It + be + said/know/thought/believed/... + that + S + V

`-` ĐTKT: S + đtkt + be + V3/V-ed + (by O)

`-` BĐ đặc biệt: S + be + said/know/thought/believed/... + to V / to have + V3 / / to be V-ing / to have been V-ing

`=` It + be + said/known/thought/believed/expected… + that + S + V

`+` Xác định tân ngữ trong câu, chuyển tân ngữ thành chủ ngữ

`+` Xác định thì để chia bị động qua DHNB

`+` Đổi chủ ngữ trong câu chủ động thành tân ngữ trong câu bị động. Có thể thêm (by O)