Exercise 5: Change these sentences into passive voice.

1. Their work will be finished next week.

- Câu bị động thì tương lai đơn: S + will + be + V (P_II) + (by O).

2. Considerable damage has been caused by the fire.

- Câu bị động thì hiện tại hoàn thành: S + have/has + been + V (P_II) + (by O).

3. The suspects were being followed by the police.

- Câu bị động thì quá khứ tiếp diễn: S + was/were + being + V (P_II) + (by O).

4. A big surprise is going to be given to David.

- Câu bị động thì hiện tại tiếp diễn: S + am/is/are + being + V (P_II) + (by O).

5. Dynamite is thought to have been invented by Alfred Nobel.

6. You ought to get your hair cut.

7. Let the silence be kept.

8. Let your book opened.

  - Your book should be opened.

  - Your book must be opened.

9. He was made to work all day.

- Câu bị động thì quá khứ đơn: S + was/were + V (P_II) + (by O).

10. Drivers are advised to use an alternative route by the police.

@vanw.

1> Their work will be finished next week

2> Considerable damage has been caused by the fire.

3> The suspects were being followed by the police.

4> A big surprise is going to be given to David.

5> Dynamite is thought to have been invented by Alfred Nobel

6> You ought to get your hair cut

7> Let the silence be kept.

8> Let your book not be closed

9> He was made to work all day

10> Drivers are advised to use an alternative route by the police.