1)be was\were been (быть) 2)become became become (становиться) 3)begin began begun (начинать) 4)blow blew blown (дуть) 5)break broke broken (ломать) 6)build built built (строить) 7)buy bought bought (покупать) 8)choose chose chosen (выбирать) 9)come came come (приходить) 10)do did done (делать)
