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bai1: put these sentences into the passive form
1)Have they changed the window of the laboratory?
-> Has the window of the laboratory been changed?
2)what books are people reading this year?
-> What books are being read this year?
3)how did the police find the lost man?
-> How was the lost man found by the police?
4)you can't wash this dress.
-> This dress can't be washed.
5)you should open the wine about 3 hours before you use it
-> The wine should be opened about hours before you use it.
6)members may keep books for 3 weeks
-> Books may be kept by members for 3 weeks.
1. Someone cleans the floor every morning.
The floor is cleaned every morning
2. They cancelled all the flights because of the fog.
All the flights were cancelled because of the fog
3. People don’t use this road very often
This road isn't used very often.
4. Somebody is using the computer at the moment.
The computer is being used at the moment
5. People should send their complaints to the main office.
Their complaints should be sent to the main office
6. The police have just released John.
John has just been released by the police
7. A short circuit could have caused the fire.
The fire could have been caused by a short circuit
8. Somebody has robbed the bank near our house.
The bank has been robbed near our house
9. The old man treated the little boys badly.
The little boys were treated badly by the old man
10. My brother bought that book yesterday.
That book was bought by my brother yesterday.
11. The boys carried the heavy box into the room last week.
The heavy box was carrried into the room by the boys last week
12. Our parents warned us not to go out alone.
We were warned not to go out alone by our parents
13. They are building a new highway around the city next year.
A new highway is being built around the city next year
14. They had to postpone the meeting because of illness.
The meeting had to be postponed by them because of illness
15. We will send you the results as soon as they are ready.
You will be sent the results as soon as they are ready
16. His colleagues gave him a present when he retired.
He was given a present by his colleagues when he retired
17. They installed a new pump to supply water for the town.
A new pump was installed to supply water for the town
18. The secretary told me to wait outside.
I was told to wait outside
19. The computer is used to solve the complex problems.
? cau bi dong roi
20. They didn’t offer Ann the job.
Ann wasn't offered the job by them
21. They have sold that old house at the end of the road.
That old house has been sold at the end of the road
22. They had cancelled the soccer match.
The soccer match had been cancelled
23. No one has collected the rubbish this week.
The rubbish hasn't been collected this week
24. You should peel and chop the onion and then fry it.
The onion should be peeled and chopped and then fried
25. You must turn off all the switches before leaving the room.
All the switches must be turned off before leaving the room
26. They are going to clear those slums.
Those slums are going to be cleared by them
27. They are going to mend the roof tomorrow morning.
The roof are going to be ment tomorrow morning
28. The farmer is going to enlarge the farm.
The farm is going to be enlarged by the farmer
29. She is going to buy a cookery book next month.
A cookery is going to be bought by her next month
30. Someone is going to serve Jack breakfast in bed on his birthda
Jack breakfast is going to be served in bed on his birthday
1. The contract will be signed tomorrow.
2. The library cards will be issued soon.
3. Thuy's homework has to be finished tonight
4. Their weapons must be handed in.
5. My piano is being repaired at the moment.
6. John has just been examined by a doctor.
7.Many houses were destroyed yesterday by the fire.
8. Those books will be returned to the library tomorrow by Tom.
9. Flight 202 from Miami has been delayed by bad weather
10. Your room must be kept tidy.
1 the contract will be signed tomorrow
2 The library cards will be issued soon
3 her homework has to been finished by thuy tonight
4 their weapons must be hand in
5 my piano is being repairing at the moment
6 john has just been examined by a doctor
7 many houses were destroyed by the fire yesterday
8 those books to the library will be returned by tom tomorrow
9 Flight 202 from Miami has been delayed by bad weather
10 your room must be kept tidy
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.
modal verbs ( defective verbs ) ( can , could , may , might , shall , should , will , would , must , ought to )
Barbara will eat the cake
The cake will be eaten by Barbara.
You ought to send the package by registered mail
The package ought to be sent by registered mail
They cannot hold the metting in that room
The meeting cannot be held in that room
Will many people attend the lecture ?
Will the lecture be attended ?
You must do it right now
It must be done right now.
NObody can measure the depth of this river
The depth of this river can not be measured .
People can't take reference books home
Reference books home can't be taken
How much will they pay you ?
How much will you be paid?
They shouldn't build the resort on such a beautiful beach
The resort shouldn't be built on such a beautiful beach
We ought to clarify the problem of environment pollutiion
The problem of environment pollution ought to be clarified
They may organize a new group last week
A new group may be organized last week
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.