1.He was running home when his mobile falled out of his bag.
2.When Harry phoned me,he was waiting for a bus.
3.I saw) your mum in town yesterday.Shy was looking for your birthday present!
4.They were playing very loud music , so the neighbours called the police.
5.When I found my homework,the dog was eating it
6.She was carrying three bags when one of them broke .