1)It was lucky we (sit) under that tree when it (break) and fell down.
2)How fast he (drive) when he (have) an accident?
3)She (read) in the garden when it (start) to rain.
4)The family (eat) dinner and talking.
5)They (talk) about her when she (walk) into the room.
6)I (still/sleep) when my parents (leave) for work this morning.