Verified answer

1) The play started at 6 and finished at 8 o'clock yesterday.

2) The children was having supper when their parents came home.

3) John lost his mobile phone while he was playing football.

4) At 2 o'clock yesterday afternoon Peter was having lunch while his sister talked on the phone with her friend.while we

5) We saw an accident while we was waiting for the bus at the bus stop yesterday evening.

6) I was walking along the street when suddenly i heard somebody calling my name.