1.The wine should be opened about three hours before it is used.

2.Nails must not be hammered into the walss without permission.

3.Bicycles must not be left in the hall.

4.Books can be kept by members for three weeks.

EXERCISE 3 : BỊ ĐỘNG VỚI NHỮNG ĐỘNG TỪ KHUYẾT THIẾU .

1. You should open the wine about three hours before you use it.

2. You must not hammer nails into the walls without permission.

-> Nails mustn't be hammered into the walls without permission

3. People must not leave bicycles in the hall.

-> Bicycles mustn't be left in the hall

4. Members can keep books for three weeks.

-> Books can be kept for three weeks

5. People should send their complaints to the main office.

-> Their complaints should be sent to the main office

6. You must turn off all the switches before leaving the room.

-> All the switches must be turned off before leaving the room

7. You must make an appointment in advance .

-> An appointment must be made in advance

8. Someone might steal the car .

-> the car might be stolen

9. you must keep the room tidy .

-> the room must be kept tidy

10. They can’t solve the problem .

-> the problem can't be solved by them

11. We can’t restore the picture.

-> The picture can't be restored by us

1.The wine should be opened about three hours before it is used.

2.Nails must not be hammered into the walls without permission.

3.Bicycles must not left in the hall.

4.Books can be kept by members for three weeks.

5.Their complaints should be sent to the main office.

6.All the witches must be turned off before leaving the room.

7.An appointment must be made in advance.

8.The car might be stolen.

9.The room must be kept tidy.

10.The problem can't be solved.

11.The picture can't be restored.

Chuyển các câu sau sang câu bị động:

1. People must not leave bicycle in the hall.

BICYCLE MUST NOT BE LEFT IN THE HALL.

2. Members can keep books for three weeks.

BOOKS CAN BE KEPT BY MEMBERS FOR THREE WEEKS.

3. People should send their complaints to the main office.

PEOPLE'S COMPLAINS SHOULD BE SENT TO THE MAIN OFFICE.

4. You must turn off all the switches before leaving the room.

ALL THE SWITCHES MUST BE TURNED OFF BEFORE LEAVING THE ROOM.

5. You must make an appointment in advance.

AN APPOINMENT MUST BE MADE IN ADVANCE

1. The wine should be opened about three hours before you use it.

2. Bicycles mustn't be left in the hall.

3. The car might be stolen.

4. The room must be kept tidy by you.

5. The problem can't be solved by them.

1. You should open the wine about three hours before you use it.
=> The wine should be opened about three hours before you use it

2. You must not leave bicycles in the hall.
=> Bicycles mustn't be left in the hall

3. Someone might steal the car.
=> The car might be stolen.

4. You must keep the room tidy.
=> The room must be kept tidy

5. They can't solve the problem.
=> The problem can't be solved

C - A

1.they will build a new school next year

A new school  will be built next year

2. John will deliver the letter

The letter will be delivered by John

3.He must do it right now

It must be done right now

4.you should finish the reporrt now

The report should be finished now

5.we shall discuss the matter in the afternoon

The matter shall be discussed in the afternoon

6.people must not leave bicycle in the hall

Bicycle must not be left in the hall

7.parents should give children a lot of love

A lot of love should be given to children by parents

8.Mr.Brown will fly a plane easily

A plane will  easily be flown by Mr. Brown

9.they made him work all day 

He was made to work all day

10.you need not do all the homework

All the homework needn't be done

11. he had to finish his work on time

His work had to be finished on time

12.he used to borrow my pen

My pen used to be borrowed 

13.somebody has taken my briefcase

My briefcase has been taken

14.Mr.Brian saw the accident 

The accident was seen by Mr. Brian

15. the mad dog bit the little boy 

The little  boy was bitten by the mad dog

1. I'd love to speak more languages

→ I wish I spoke more languages

2. People must not leave bicycles in the hall

→ Bicycles must not be left in the hall

3. They have painted the wall pink

→ The wall has been painted pink

4. If you fail the final exam, you won't be able to graduate

→ Unless you fail the final exam, you will be able to graduate

5. It's a pity that you aren't here now

→ I wish you were here now.

Hãy đổi từ thể bị động sang thể chủ động

1. That car will be bought by his father

=> His father wil buy that car.

2. The traffic has been stopped by a policeman

=> A policeman has stopped the traffic.

3. The book was written by Hemingway

=> Hemingway wrote the book.

4. Bicycles must not be left in the hall

=> You mustn't leave bicycles in the hall.

5. He was given two weeks to do the work

=> They gave him two weeks to do the work.

6. All the door should be closed before you go to bed

=> You should close all the doors before you go to bed.

7. The seals are being fed in the zoo

=> They are feeding the seals in the zoo.

8. A special edition is being written for children

=> He is writing a special edition for children.

9. Their homework was being corrected at 8 a.m yesterday

=> She was correcting their homework at 8 a.m yesterday.

10. Is that lesson being explained again?

=> Is she explaining the lesson again?

Question 48: Walking on the grass in the park is not permitted.

                  A. People like walking on the grass in the park.        B. We do not have to walk on the grass in the park.

                  C. We must not walk on the grass in the park.     D. You can walk on the grass in the park if you want to.

Question 48: Walking on the grass in the park is not permitted.

                  A. People like walking on the grass in the park.        B. We do not have to walk on the grass in the park.

                  C. We must not walk on the grass in the park.     D. You can walk on the grass in the park if you want to.