Помогите раскрыть скобки 1) First he (had) dinner, then he (to

Помогите раскрыть скобки 1) First he (had) dinner, then he (to read) 2)Peter (to listen) CD when Paul (come in). 3)She (to make) the beds while Mark (to sweep) the floor 4)I (hear) the ambulance wailing as I (to walk) the city 5) She (to read) the book all night and (to be) very sleepy the next morning 6) She was watering the plants while children (to play) in the garden