Поставьте глаголы в правильную форму : 1.bob (to get) a good mark yesterday 2.what you (to do) at 5 o'clock tommorow? 3.while they (to dance) we (to watch) them 4.they (to read) we to watch them 5.don't worry i ( to buy) a book 6.we (to have) a party tonight