1. They grow rice in tropical countries. → ___________Rice is grown in tropical countries. _______________

2. Mr. Green loves his children very much. → __________His children are loved very much by Mr. Green____________________

3. People don’t speak French here. → __________French isn't spoken here__________

4. Someone broke his windows last night. → _________His windows was broken last night_____________

5. The police didn’t find the lost boy yesterday. → _________The lost boy wasn't found yesterday____________________

6. About thirty million people are watching this live show now. → _______This live show is being watched by about thirty million people now___________________

7. They were carrying the injured player off the field at that time. → ________The injured player was being carried off the field at that time. ___________________________

8. Jack has typed the article recently. → ______________The article have been typed recently by Jack _______________

9. The police haven’t found the murderer yet. → _________The murderer hasn't been found yet.________________________________

10. They were carrying the injured player off the field at that time. → _________(giống câu trên bạn nhé! ^^)___________

11. They had wrapped the package carefully before they posted it. → ______________ The package had been wrapped carefully before they posted it._____________

12. Children should treat old men with espect. → ________Old men should be treated with espect.___________

13. The computer can do all the accounts. → ___________All the accounts can be done by the computer _________________

14. They are going to build a new school. → _____A new school is going to be built._____________________

15. He isn’t going to buy that house. → ______________That house isn't going to be bought.________________

16. They will pull down that building → ________________ That building will be pulled down ___________________

17. The teacher won’t correct the exercise tomorrow. → ____________ The exercise won't be correct tomorrow________________

18. You have to keep dangerous chemicals in the safe place. → _______Dangerous chemicals have to be kept in the safe place.__________________

19. Police had to break the meeting up. → ________________The meeting had to be broken up._______________

20. They may use that room for the classroom. → __________That room may be used for the classroom.________________