Chuyển sang câu bị động thì Hiện tại hoàn thành :
6.I have eaten a hamburger
=>
7.I have opened the present.
=>
8.They have not read the book.
=>
9.You have not sent the parcel.
=>
10.The delegates had received the information by Monday.
=>
11.He had finished his home work before she came.
=>
12.They had written the passage.
=>
13.They had planted trees.
=>
14.They had told him of the meeting.
=>
15.They had started a fight.
=>
16.I had not closed the window.
=>
17.They had not bought the paper.
=>
18.Had she solved the problem?
=>
19.Nina has bought these pencil cases.
=>
20.He has written the reports.
=>
21.Tom has seen this film before.
=>
22.Nina has read the newspaper.
=>
23.They have seen these movies yet.
=>
24.I have signed the contract.
=>
25.These men have bought the tickets.
=>
6. A hamburger has been eaten by me.
7. The present has been opened by me.
8. The book has not been read by them.
9. The parcel has not been sent by you.
10. The information had been received by the delegates by Monday.
11. His homework had been finished before she came.
12. The passage had been written by them.
13. Trees had been planted by them.
14. He had been told of the meeting by them.
15. A fight had been started.
16. The window had not been closed.
17. The paper had not been bought.
18. Had the problem been solved?
19. These pencil cases have been bought by Nina.
20. The reports have been written by him.
21. This film has been seen by Tom before.
22. The newspaper has been read by Nina.
23. Have these movies been seen by them yet?
24. The contract has been signed by me.
25. The tickets have been bought by these men.
6. A hamburger has been eaten by me.
7. The present has been opened by me.
8. The book has not been read by them.
9. The parcel has not been sent by you.
10. By Monday, the information had been received by the delegates.
11. His homework had been finished before she came.
12. The passage had been written by them.
13. Trees had been planted by them.
14. He had been told of the meeting by them.
15. A fight had been started by them.
16. The window had not been closed by me.
17. The paper had not been bought by them.
18. Had the problem been solved by her?
19. These pencil cases have been bought by Nina.
20. The reports have been written by him.
21. This film has been seen before by Tom.
22. The newspaper has been read by Nina.
23. These movies have not been seen yet by them.
24. The contract has been signed by me.
25. The tickets have been bought by these men.