active and passive voice

Passive and active voices transformations 1. The chair was broken by John yesterday. 2. The cat is catching a cat now. 3. His old papers were burnt by her. 4. Peter’s car had been towed away by the police. 5. Someone said that he is married. 6. The police called whom? 7. Mary is being followed by someone. Remember to award me marks.

2011-02-12 17:24:41 補充：
Hopefully, you will give scores to me because I am the first one who answered you. Thankyou.

Change the following sentences into the opposite voice:
1 John broke the chair yesterday.
The chair was broken by John yesterday


2 A mouse is being caught by the cat now.
The cat is catching a mouse now.

3 She burnt all his old papers.
All his old papers were burnt by her.


4 The police had towed Peter's car away.
Peter's car had been towed away by the police.


5 It is said that he is married.
It is said that someone is married by him.

6 By whom were the police called?
Answer : The police were called by Mary.

Who called the police?
Answer: Mary called the police.

7 Someone is following Mary.
Mary is being followed ( by someone) () can be omitted or stayed as it is now.