1. Viruses can attack your computer at any time.

Your computer can be attacked by viruses at any time.

2. You must wash this sweater in warm water.

This sweater must be washed in warm water.

3. He used to write many poems when he was a student.

Many poems used to be written by him when he was a student.

4. They couldn't control the economic situation last year.

The economic situation couldn't be controlled last year.

5. The mechanic is going to repair my car.

My car is going to be repaired by the mechanic.

6. Visitors must leave their shoes outside the door.

Their shoes must be left outside the door by visitors.

7. You can see pictures of the earth from the outer space.

Pictures of the earth can be seen from the outer space.

8. The government should modernize the traffic system.

The traffic system should be modernized by the government.

9. Mai has to wash clothes every day.

Clothes have been washed by Mai every day.

10. He is going to introduce his new collection this evening.

His new collection is going to be introduced this evening.

11. No student can find out the correct answer.

The correct answer can't be found.

12. The school will inform the result of the examination in two weeks.

The result of the examination will be informed by the school in two weeks.

13. The students have to close all the windows after class every day.

All the windows have to be closed after class by students every day.

14. Someone might break the news.

The news might be broken.

15. Teachers should check the previous lessons regularly.

The previous lessons should be checked regularly by teachers.

16. That factory used to pump raw sewage directly into the sea.

Raw sewage used to be pumped directly into the sea by that factory.

17. Jack won't pay the bill.

The bill won't be paid by Jack.

18. You mustn't touch that button while the experiment is in progress.

That button mustn't be touched while the experiment is in progress.

19. They should take urgent actions to prevent diseases after the flood.

Urgent actions should be taken to prevent diseases after the flood.

20. We must save natural resources for future use.

Natural resources must be saved for future use.

1 Are the big cakes being made for the party by her?

2  Are the requires about the thief being made by the police?

3 Must the test be finished by we before ten?

4 Will the children be brought home by buses?

5 Has your homework been finished ?

1.Is she making big cakes for the party?

  Are big cakes made by her for the party?

2. Are the police making inquires about the theif?

Are inquires made by the police about the theif?

3. Must we finish the test before ten?

Must the test finished by us before ten?

4. Will buses the children home?

   Will the children brought by buses home?

5. Have you finished your homework?

Have your homework finished by you ?

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. Someone will pay you in ten days

-> You will be paid in ten days

2. You can improve your health with more exercise

-> You health can be improved with more exercise

3. People must obey the law

-> The law must be obeyed 

4. The cleaner is going to clean the kitchen floor

-> The kitchen floor is going to be cleaned by the cleaner 

5. Someone is helping her with the housework

-> She is being helped with the housework

1. Someone will pay you in ten days

-> You will be paid in ten days

2. You can improve your health with more exercise

-> You health can be improved with more exercise

3. People must obey the law

-> The law must be obeyed

4. The cleaner is going to clean the kitchen floor

-> The kitchen floor is going to be cleaned by the cleaner

5. Someone is helping her with the housework

Have the Christmas been sent to your family?

Have the Christmas cards been sent (by you) to your family?

1. Soccer was played by them.

2. Lan was met last night.

3. Chinese can be spoken by Mai.

4. Your homework must be done by you

( câu 3 và 4 vì dùng ĐTKT ở câu chủ động nên chuyển sang bị động vẫn nên để ở ĐTKT)

Chuyển các câu sau sang câu bị động thì quá khứ đơn: 

1.They played soccer 

=> SOCCER WAS PLAYED

2.I met Lan last night.

=> Lan was met me last night

Chuyển câu chủ động sang câu bị động thì tương lai hoặc động từ khuyết thiếu:

1.Mai can speak Chinese.

=> Chinese can be spoken by Mai

2.You must do your homework.

=> Your homework must be done by You

1. Soccer was played by them

2. Lan was met by me last night

3. Chinese can be spoken by Mai.

4. Your homework must be done by you

Áp dụng công thức chuyển đổi câu bị động từ câu chủ động , học thuộc V_ed/p3 để trả lời dễ dàng nhé 

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