A man returned the keys to me. …………………The keys were returned to me by a man………………………………………………

Mary will see her friends off at the station. ……………………Her friends will be seen off by Mary at the station………………………………

They have to pull down that building. ……………………That building has to be pullled down………………………………………

He gave me a knife to cut this bread. …………………………I was given a knife by him to cut this bread…………………………………

 They used to drink beer in England ………………Beer used to be drunk in England………………………………………………
She can sew 3 shirts a day. ………………………3 shirts can be sewn a day………………………………………………

We consider that she is the best singer. ………………………She is considered to be the best singer…………………………………

Nobody has used this room for ages. …………………………This room hasn't been used for ages…………………………………

1. they are building some new houses down the street.

- some new houses..........are being built down the street.................

2. they have moved nothing in your room .

- nothing.......has been moved in your room.............................

3. people used oil-lamps years ago.

- oil-lamps ....were used years ago...........................

4. when did they open that hospital ?

when.........was that hospital opened...........................

5. the asmostphere protects the earth from harmful radiation from the sun.

- the earth.......is protected from harmful radiation from the sun by the asmostphere

6. did anyone see you come in ?

- were you ......seen to come in..........................

7.he hates people starting at him.

- he hates being..started at.......................

8. someone will tell her which bus to catch.

- she....will be told which bus to catch...............................

9. thieves broke into the house .

- the house.......was broken into by thieves.......................

10.his mother did not take care of him.

- he ......wasn't taken care of by his mother............................................

11.they will inform you the result of the exam by letter.

- you...will be informed the result of the exam by letter.........................................

-the result.......of the exam will be imformed by letter..................................

chuyển từ câu chủ động sang bị động :

1. they are building some new houses down the street.

- some new houses are being built down the street.

2. they have moved nothing in your room .

- nothing has been moved in your room.

3. people used oil-lamps years ago.

- oil-lamps were used years ago.

4. when did they open that hospital ?

when was that hospital opened?

5. the asmostphere protects the earth from harmful radiation from the sun.

- the earth is protected from harmful radiation from the sun by the asmostphere.

6. did anyone see you come in ?

- were you seen to come in?

7.he hates people starting at him.

- he hates being started at.

8. someone will tell her which bus to catch.

- she will be told which bus to catch.

9. thieves broke into the house .

- the house was broken into by thieves.

10.his mother did not take care of him.

- he wasn't taken care of by his mother.

11.they will inform you the result of the exam by letter.

- you will be informed the result of the exam by letter.

-the result of the exam will be informed you by letter.

1. Will you invite her to your wedding party?

will she be invited to your wedding party?

2. Has Tom finished the work?

has the work been finished by tom?

3. Did the teacher give some exercises?

were some exercises given by the teacher?

4. Have they changed the window of the laboratory?

has the window of the laboratory been changed?

5. Is she going to write a poem?

is a poem going to be written?

1 , The teacher returned our written work to us

=>our written work was returned to us by the teacher

2, She had finished her report by noon

=>the report has been finished by noon by her

3, The mad dog bit the little boy

=>The little boy was bitten by the mad dog

4, Lightening struck the house

=>the house was struck by lightning

5, This is second time they have written to us about this

=>This is the second time we have been written to about this

1 , The teacher returned our written work to us

our written were returned work to us by the tacher.

2, She had finished her report by soon

soon,her report have finished .

3, The mad dog bit the little boy

the little boy is bitted by the mad dog

4, Lightening struck the house

the house is struck by lightening.

5, This is second time they have written to us about this

this is second time,we have been wriiten abou this

câu 2 là noon chứ k phải soon nha,mk làm câu này rùi mà!!

1. The letter is written to me by my mother today.

2. A meal has been prepared before he came.

3. I can be asked some questions about Lan by my friend .

4. The picture is being painted by my father.

5. Why isn't he had?

6. That house was advised me to buy by her.

7. A wonderful holiday will be had in USA by my parents next week.

8. Mr. Jane wrote the novel.

9. Tea can't be made with cold water.

10. Funny stories are going to be told by the teacher.

Chuyển động từ tình thái sang bị động.

1. The judges will make decision

=> Decision will be made by the judges

2. I think the scientists must have discoverd the cause.

==> I think..the cause must have been discovered by the scientists...

3. They might not interview the applicants this week.

=> The applicants might not be interviewed this week

4. They will have to change the date of the meeting.

=> The date of the meeting will have to be changed

5. Will they take our lunggage to the air_port?

=> Will our lunggage be taken to the airport?

6. They will examine your suitcase.

=> Your suitcase will be examined

7. They can post our letters

=> Our letters can be posted

8. You should have sent that letter by email.

=> That letter should have been sent by mail

9. Why can not the secretary make the report?

=> Why can not the report be made by the secretary?

10. The machanics should have repaired your car.

=> Your car should have been repaired by the mechanics

I. Chuyển câu chủ động sang câu bị động:

1. They sell jeans all over the world. .................................................. ..................................... Jeans are sold all over the world....................... .................................

2. They are building a new school in this town. ........................................... a new school are being built in this town............ ........................................................... .....................

3. The clown made us laugh a lot. ...................................................... .................................................. We were made to laugh a lot by the clown......... ......................................

4. He finished his exercises on time.

…………………………… his exercise was finished on time…………………………………

5. People plant rice in those fields.

………………………… rice is planted in these fields…………………………………….

6. this boy broke my windows yesterday.

………………………… my window was broken by this boy yesterday.………………………………

7. did you do your test perfectly?

………………………………… Was your test done perfectly ?..…………………………….

8. They have known him well.

…………………………… He has been known well...………………………………….

9. They have postponed the concert.

……………………………… The concert have been postponed.………………………………

10. My father bought me a video recorder.

…………………………  A video recorder was bought  for me by my father.…………………………….

11. The police didn’t interview the witness.

…………………………………… The witness was done not interview by the police. …………………………….…..............................

12. They use cars and trucks to carry food to market.

……………………………… cars and truckss are used to carry food to the market.…………………………………………………………….

13. They have built a new hospital near the airport.

………………………………… A new hospital has been built near the airport.………………………………………………………….

14. He hasn’t seen the younger son for three weeks.

…………………………… the younger son hasn't been seen for 3 weeks……………………………………………………………….

15. The secretary opens the mails every morning.

…………………………… The mail is opened by my secretary every morning. ……………………………

16. No one has opened that box for the past hundred years.

………………………………  That box hasn't been opened for the past hundred years.………………………………………………………

17. The fire has destroyed many houses.

……………………………… Many houses have been destroyed by the fire. …………………………………

18. The children are carrying the chairs into the house.

……………………… The chairs are being carried into the house by the children.………………………………………

19. She cleans the floor every morning

………………………  The floor is cleaned every morning…………………………………………………………

20. He will solve the problem soon.

…………………………The problem will be solved soon……………………………………………………………

21. She made a lot of mistakes in the examination.

……………………………A lot of mistakes were made in the examination.…………………………………………………………

22. No one has locked the door.

…………………………The door hán't been locked……………………………………………………………

1. They sell jeans all over the world. 

=> Jeans are sold all over the world

2. They are building a new school in this town. 

=> A new school are being built in this town

3. The clown made us laugh a lot. 

=> We were made to laugh a lot by the clown

4. He finished his exercises on time.

=> His exerxises were finished on time by him

5. People plant rice in those fields.

=> Rice  in those fields is planted

6. this boy broke my windows yesterday.

=> My windows were broken yesterday by this boy

7. did you do your test perfectly?

=> Was your test done perfectly ?

8. They have known him well.

=> He has been known well

9. They have postponed the concert.

=> The concert has been postponed 

10. My father bought me a video recorder.

=> I was bought a video recorder by my father

11. The police didn’t interview the witness.

=> The witness weren't interviewed by the police

12. They use cars and trucks to carry food to market.

=> Cars and trucks are used to carry food to market

13. They have built a new hospital near the airport.

=> A new hospital has been built near the airport

14. He hasn’t seen the younger son for three weeks.

=> The younger son hasn't been seen for three weeks by him

15. The secretary opens the mails every morning.

=> The emails are opened every morning by the secretary

16. No one has opened that box for the past hundred years.

=> That box hasn't been opened for the past hundred years

17. The fire has destroyed many houses.

=> Many houses have been destroyed by the fire

18. The children are carrying the chairs into the house.

=> The chairs are being carried into the house by the children

19. She cleans the floor every morning

=> The floor is cleaned every morning by her

20. He will solve the problem soon.

=> The problem will be solved soon by him

21. She made a lot of mistakes in the examination.

=> A lot of mistakes were made in the examination by her

22. No one has locked the door.

=> The door hasn't been locked

1, By the time you come back here in 5 years" time, they will have knocked down those houses.

-->By the time you come back here in 5 years time,those house will have been knock down by them

Chuyển đổi câu chủ động sang câu bị động :

1, By the time you come back here in 5 years" time, they will have knocked down those houses.

\(\rightarrow\) By the time you come back here in 5 years'' time , those houses will have been knocked down by them .

7 The car will not be repaired by William

8 English is taught by him

12 Who was this letter written by?

13 A blue skirt is worn by him

14 A house is being built

15 The job has been finished