Chuyển sang thể bị động, sử dụng hai cách : 

1. Mr. Thompson sent his daughter a lovely gift.

2. Jessica is showing her friends the new phone.

3. Mom often tells my sister and me tale stories.

4. They will pay him $500 for this camera.

5. Harry told Kim a lie.

6. The salesman is showing the customers the new penthouse.

7. McKenzie bought a new red skirt for his girlfriend.

8. Mr. Tung is teaching English to his students.

9. I gave her an apple.

10. They sent their father a letter.

11. We believe that the new Prime Minister is a great leader. 

12. People reported that the suspended criminal was in custody.

13. The public don't expect that the girl will win the national beauty contest.

14. Police said that the terrorist has left the country.

15. All employees think that job satisfaction is the most important.

16. They told us that Rebecca drank too much at her birthday party.

17. News reported that the CEO disappeared with over $3.5 million.

18. Research found that people falling in love are usually happier.

19. People believe the fire started in the girl's bedroom.

20. They estimate that the actor have earned over $4 million in the last 3 months.