1) While he (play) the piano she (listen) to him.

2) While she (tidy) up her room he (wash) his car.

3) The boys (help) in the garden while she (water)the flowers.

4) He (meet) Mary when he (walk) through the park.

5) We (play)computer games while she (read) a book.

6) Sally (take) a photo while I (feed) the ducks.

7) They (read) a book when the lights (go) out.

8) While George (repair) his bike Bill (play) computer games.

9) We (talk) about the film when we (walk) home.

10) They (forget) our lunch at home last Friday.