1. Someone saw him pick up the gun.
………He was seen to pick up the gun…………………………………………………………………………………………
2. We know that you were in town on the night of the crime.
………You are known to have been in town on the night of the crime…………………………………………………………………………………………
3. You needn’t have done this.
…………This needn't having been done………………………………………………………………………………………
4. He likes people to call him "sir”.
…………He likes to be called "Sir"………………………………………………………………………………………
5. Don’t touch this switch.
…………This switch mustn't be touched………………………………………………………………………………………
6. You will have to get someone to see to it.
………Someone will have to be got to see to it…………………………………………………………………………………………
7. They used to make little boys climb the chimneys to clean them.
………Little boys used to be made to climb the chimneys to clean them…………………………………………………………………………………………
8. You have to see it to believe it.
………It has to be seen to believe…………………………………………………………………………………………
9. You order me about and I am tired of it.
………I was tired of being ordered about…………………………………………………………………………………………
10. He doesn’t like people laughing at him.
………He doesn't like being laughed at…………………………………………………………………………………………
11. You don’t need to wind this watch.
……………This watch needn't winding……………………………………………………………………………………
12. People believe that he was killed by terrorists.
………It is believed that he was killed by terrorists…………………………………………………………………………………………
13. They said that the man had escaped from the prison.
………The man was said to have escaped from the prinson…………………………………………………………………………………………
14. They are to send letters to the leaders of charitable organizations.
………Letters are to be sent to the leaders of charitable organizations…………………………………………………………………………………………
15. We don’t allow smoking.
………………Smoking isn't allowed by us…………………………………………………………………………………

16. They urged the government to create more jobs.
……………The government was urged to create more jobs……………………………………………………………………………………
17. They rumour that she is working for the enemy.
……It is rumoured that she is working for the enemy ……………………………………………………………………………………………
18. It is a little too loose; you had better ask your tailor to take it in.
………You'd better have it taken in by a tailor as it is a little too loose…………………………………………………………………………………………
19. Before they invented printing people had to write everything by hand.
…………Before printing was invented, people had to write everything by hand………………………………………………………………………………………
20. People used to light their house with oil lamps 50 years ago.
………House used to be lighted with oil lamps 50 years ago…………………………………………………………………………………………
21. Who did you deliver the goods to?
……Who was delivered the goods to by you?……………………………………………………………………………………………
22. Where did you put those important documents?
…………Where was those important documents put?………………………………………………………………………………………
23. It’s your duty to answer our questions.
………Our questions must be answered by you…………………………………………………………………………………………

24. Fix this machine at once.
………This machine must be fixed at once…………………………………………………………………………………………
25. Don’t throw rubbish in the street!
………Rubbish mustn't be thrown on the street…………………………………………………………………………………………
26. They said that the government would raise taxes.
………It was said that the government would raise taxes…………………………………………………………………………………………
27. People believe that there are aliens on other planets.
………It is belieed that there are aliens on other planets…………………………………………………………………………………………
28. She has known that her company will employ more people.
………It has been known that her company will employ more people…………………………………………………………………………………………
29. It is students’ duty to learn hard.
…………………………………………………………………………………………………
30. I know that my mum is writing a new novel.
………It is known that mum is writing a new novel …………………………………………………………………………………………

Chuyển câu chủ động sang bị động

1. Someone saw him pick up the gun.

HE WAS SEEN TO HAVE PICK UP THE GUN.

2. He always lost keys.

KEYS ARE ALWAYS LOST BY HIM.

Chuyển câu chủ động sang bị động

1. Someone saw him pick up the gun.

=) He was seen to pick up the gun.

2. He always lost keys.

=) Keys are always lost by him

TK

1. I am always given proper encouragement by parents
2. I remember being given a toy drum on my 5th birthday
3. He was seen pick up the gun
4.I was asked some difficult questions at the interview by them
5.this switch mustn't been not touched
6. You won't be let to do that silly thing again by him
7.You will be sent a coppy of the sales contract by the real estate office
8.the wasn't expected to find my car by me
9.I rarely hear her children to be called bad names by her
10.a terrible mistake had seem to have made

11. Tom should have been offered the job.
12. Arthur is said to have robbed  a bank a long time ago
13. Little boys used to be made to climb the chimneys to clean them
14. The sale of alcohol at football matches is suggested banning 
15. Your coat must be taken off
16. That money has been sent to the poor families
17. Bullet-proof glass was recommended using (by him)

1. His life is very hard.he studied very well.(use’although ‘ to combine two sentences)

-> Although his life is very hard, he studied very well.

2. We study hard. We pass the exam.(use If clause to rewrite)

-> If we study hard, we will pass the exam.

3. Nobody saw him at the party yesterday.( change into passive)

-> He wasn't seen at the party yesterday.

1. His life is very hard.he studied very well.(use’although ‘ to combine two sentences)

=> Although his life is very hard , he studied very well

2. We study hard. We pass the exam.(use If clause to rewrite)

=> If we study hard , we will pass the exam

3. Nobody saw him at the party yesterday.( change into passive)

=> He wasn't seen at the party yesterday

passive in the past simple

1.someone saw him pick up a stone and throw it at the riot police

-> He was seen to pick up a stone and throw it at the riot police.

2.his failure disappoited his parents.

-> His parents were disappoited by his failure.

3.all students attended the metting

-> The meeting was attended by all students.

4.she didn't harvest the vegetables in the garden

-> The vegetables weren't harvested in the garden.

1. He was seen to pick up a stone and throw it at the riot police.

2. His parents was dissappointed by his failure.

3. The meeting was attended by all students.

4. The vegetables in the garden wasn't harvested by her.

Change into passive voice.

9.​Does your mum pick you up?​​​

-> Are you picked up by your mum?

10.​Does the police officer catch the thief?

-> Is the thief catched by the police officer?

1. I was shown their photos.

Their photos were shown to me.

2. He wasn't seen last night.

3. I wasn't told the truth.

4. Were your questions answers?

5. He was carried into hospital.

1 Their photos were shown to me

2 He was not seen last night

3 The truth was not told to me

4 Were your questions answered by anyone?

5 He was carried into the hospital by them

1. When he retires, he will be given some money by the company.

2. Fruits are picked everyday