must be done carefully

This exercise should be done carefully.

The front door is being knocked  by someone

This cake must be divided into three equal parts by her parents.

this exercise could do quickly by he

This exercise is corrected.

This exercise is corrected by the teacher

this exercise is corrected by teacher.

4.The manager didn’t phone the secretary this morning.

.................................................The secretary wasn't phoned by the manager this morning..........................................

5. Did Mary this beautiful dress?

....................................................Was this beautiful dress bought by Mary................................................

6.The German didn’t  build this factory during the Second World War.

..................This factory wasn't built by the German during the Second World War...............................................................................................

7.How many languages do they speak in Canada?

......................How many languages are spoken in Canada?..............................................................................................

8.The waiter brings me this dish.

................................I am brought this dish by the waiter.................................................................................

9.Our friends send these postcards to us.

.................................These postcards are sent to us by our friends...............................................................

10.Their grandmother told them this story when they visited her last week.

.......................................This story was told to them by their grandmother when they visited her last week.............................................................................

11.Tim ordered this train ticket for his mother.

....................................This train ticket was ordered for Tim's mother..............................................................................

12.You didn’t show me the special cameras.

............................I wasn't shown the special cameras ........................................................................................

13.She showed her ticket to the airline agent.

.......................................Her ticket was shown to the airline agent..........................................................................

14.He lends his friend his new shoes.

............................................His friend is lent his new shoes.........................................................................

1 This dish is brought to me by the waiter

2 These postcards are sent to us by our friend

3 This story was told to them by their grandmother when they visited her last week

4 This train ticket was ordered for Tim’s mother

5 Her ticket was showed to the airline agent by her

3.Some drunk drivers caused the accident in this city.

..............................................The accident in this city was caused by some drunk drivers...........................................

15.She left her relatives five million pounds.

.......................................Her relatives were left 5 million pounds...................................................................

16.The shop assistant handed these boxes to the customer.

.......................................These boxes were handed to the customer by the shop assistant..............................................................

17.The board awarded the first prize to the reporter.

.......................................The first prize was awarded to the reporter by the board.................................................................

18.The committee appointed Alice secretary for the meeting.

.......................................Alice was appointed secretary for the meeting by the committee..................................................................

19.He hides the broken cup in the drawer.

................The broken cup is hidden in the drawer by him........................................................................................

20.They keep this room tidy all the time.

.................This room is kept tidy all the time..........................................................................................

21.They all voted the party  a great success.

.........................The party was all voted a great success.............................................................................

22.We gave Ann some bananas and some flowers.

...............................Ann was given some bananas and some flowers by us......................................................................

23.They moved the fridge into the living room.

.................................The fridge was moved into the living room......................................................................

24.She bought some cups of tea to the visitors in the next room.

......................................Some cups of tea were bought for the visitors in the next room by her..................................................................

25.They find the new project worthless.

.......................................The new project is found worthless................................................................

26.The secretary didn’t take the note to the manager.

....................................The note wasn't taken to the manager by the secretary.......................................................................

EXERCISE 1: CHUYỂN CÁC CÂU SAU SANG BỊ ĐỘNG.

11.The German didn’t build this factory during the Second World War. => This factory wasn't built by the Germna during the Second World War.

12.The Greens are going to paint this house and these cars for Christmas Day.

=> This house and these cars are going to be painted for Christmas Day by the Greens. 

13.Ann had fed the cats before she went to the cinema.

=> The cats had been fed by Ann before she went to the cinema. 

14.The students have discussed the pollution problems since last week.

=> The pollution problems have been discussed by the students since last week. 

15.Have the thieves stolen the most valuable painting in the national museum?

=> Has the most valuable painting in the national museum been stolen by the thieves? 

16.Some people will interview the new president on TV.

=> The new president will be interviewed on TV.

17.How many languages do they speak in Canada?

=> How many languages are spoken in Canada? 

18.Are you going to repair those shoes?

=>  Are those shoes going to be repaired?

19.He has broken his nose in a football match.

=> His nose has been broken in a football match. 

20.Have you finished the above sentences?

=> Have the above sentences been finished? 

21.When will you do the work?

=> When will the work be done?

22.how are you going to deal with this problem?

=> How is this problem going to be dealt with?

23.how do you spend this amount of money?

=> How is this amount of money spent?