`IX`. 

1. She has been taken to the hospital (they được lược bỏ trong câu BĐ)

2. The meeting has been cancelled

3. My chair has been moved (Someone được lược bỏ trong câu BĐ)

4. He has been given a lot of money

5. All the students in the school have been invited (we được lược bỏ trong câu BĐ)

6. He has been told not to be late again 

7. The English grammar has been explained by our teacher 

8. Have above sentences been finished?

9. The mugger has been arrested by the police 

10. Five suspects have been arrested by the police

*Cấu trúc bị động HTHT: S + have/has + been + p.p + (by s.one)

`X`.

1. The bicycle had been mended by her

2. The rice had been exported before May

3. She had been waited by me before I came here

4. I hadn't been met before I left (No one mang ý PĐ nên had thêm not)

*Cấu trúc câu bị động QKHT: S + had been + p.p + (by s.one)