раскройте пожалуйста скобки

1)We (go) to the theater yesterday.
2)You (be) very busy last week.
3)I (translate) a text when you phoned me.
4)We (do) our homework from 5 till 8.
5)Kate gave me a book which (buy) the gay before.
6)The children (watch) TV for 3 hours when their grandma came.