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EXERCISE 3 : BỊ ĐỘNG VỚI NHỮNG ĐỘNG TỪ KHUYẾT THIẾU .
1. You should open the wine about three hours before you use it.
-> The wine should be opened about three hours before you use it2. 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.
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
1. The piano upstairs can be carried
3. This shirt can't be wore because it is very small
2. Old men should be treated by children with respect
4. Dogs must be kept outside shop
5. The wine should be opened about 3 hours before you use it
6. Nails must not be hammered into the wall without permission
7. Bicycles must not be left in the hall
8. This machine must not be used after 5p.m
9. The wall must be cleaned before you paint it
14. Cigarettes can't be bought at a bakery
15. The engire running shouldn't be left
10. Should Jane be helped with the sewing by them
11. Must the test be finished before ten?
12.. The letter might have been sent to the wrong address
13. Your money are going to be stole if you are not careful
Chuyển sang câu bị động:
1.They should send these letters soon
->These letters should be sent soon
2.Someone may carry those bags to the shop
-> Those bags may be carried to the shop
3.People can find pictures books on the shelf
-> Pictures books can be found on the shelf
4. They can see my house from the top of the hill
-> My house can be seen from the top of the hill
5.They shouldn't sell foos on the sidewakls
-> Food shouldn't be sold on the sidewalks
6.We must keep our school clean and tidy
-> Our school must be kept clean and tidy
7. You have to put your pens in a box
-> Your pens have to be put in a box
8.People will hold a meeting in our school
-> A meeting will be held in our school
9. People can't learn a foreign languge in a week
-> A foreign language can't be learnt in a week.
***Change the sentences into the Passive.(viết lại thành câu bị động)
1.They are going to clean the floor.
-> The floor is going to be cleaned by them.
2.They keep this room tidy all the time.
-> This room is kept tidy by them all the time.
3.They moved the fridge into the living room.
-> The fridge was moved into the living room by them.
4.Members can keep books for three weeks.
-> Books can be kept by members for three weeks.
5.The teacher is correcting our exercises.
-> Our exercises are being corrected by the teacher.
6.I have received 20 cards so far.
-> 20 cards have been received by me so far.
1 . The floor is gone to clean
2 . This room is kept tidy all the time
3 . The fridge was moved into the living room
4 . Books can be kept by members for three weeks
5 . Our exercise is being corrected by the teacher
6 . 20 cards have received so far
Change there sentences into the passive voice:
1.people should send their complaints to the main office
=> Their complaints should be sent to the main office
1.people should send their complaints to the main office
=>Their complaints should be sent to the main office
Chúc bạn học tốt 
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