1) People have always admired his books

His books have always been admired

2)Whom will the Browns invite to the party?

Who will be invited to the party by the Browns?

3)They didn't discuss this question yesterday

This question wasn’t discussed yesterday

4)I'll teach Polly to play tennis.

Polly will be taught to play tennis by me

5)The shops are selling hunderds of toys

Hundreds of toys are being sold in the shops

6)When i came the children were reading, a fairy tale

A fairy tale was being read by the children when I came in

7)Someone has broken my cassette player

My cassette player has been broken

8)He said that somebody had left the window open

He said the window had been left open

9)She said they had already announced their wedding

She said their wedding had already been announced

10)When the children came from school mother was cooking dinner

When the children came from school dinner was being cooked by their mother