Bị động: 

- HTĐ: S + am/is/are + V3/ed 

- QKĐ: S + was/were + V3/ed 

- TLD: S + will be + V3/ed 

- HTTD: S + am/is/are + being + V3/ed 

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1. The mail is delivered by Tom every day.

2. The export is managed division by Mr. John.

3. Our exercises are corrected by the teacher. 

4. The president is called every day.

5. Where is English spoken? 

6. The river bank is covered by weeds. 

7. Milk is used for making butter and cheese. 

8. English is spoken in almost every corner of the world. 

9. A lot of money is spent on advertising every day. 

10. His story isn't believed.

11. That house wasn't destroyed by fire.

12. The lecture was attended by the students. 

13. We were disappointed very much by the movie. 

14. The thief was easily captured by the police. 

15. When will the work be done? 

16. How many days were spent to finish the work? 

17. How is this amount of money spent? 

18. What books are being read this year? 

19. How was the lost man found by the police? 

20. By whom were the children looked after for you?