1, English is learnt by Tam everyday.

2, A new car was bought by Mr. Pike yesterday.

3,A book is being read by Tam then.

4, Tea can't be made with cold water.

5, All the worker of the plant were instructed by the chief engineer.

6, Some of my books have been taken away.

7,the meeting will be held before the may day.

8. the engine of the car must be repaired.

9, the window was broken by the boys and some pictures were taken away .

10, A lot of money are spent on adversiting everyday.

11, this room may be  used for the classroom.

12, the story is going to be told by the teacher.

13,the cake is being cut by Marry with the sharp knife.

14, the victims have been provided with food and clothing.

15, that machine mustn't be used after 5:30p.m.

16.the new students were told where to sit.

17,Mr.Cloe used to be visited by john at weekends.

18,All the housework should be done by her

19,the letter had been written by my mother before 1985.

20,My room is being cleaned by me.