Вставьте глаголы в правильной форме.
1) I ____________________ (do) my homework before I _________ (go) to school.
2) Before we _____________ (eat), my mother __________________ (cook) food.
3) They ___________ (train) a lot before they _________________ (win) the championship.
4) Before Capitan Cook______________ (go) to the Antarctic, he _____________ (be) to Australia.
5) Vivien Leigh _______________ (not act) in Hollywood films before she ____________ (start) to work there in 1939.