Отработка употребления грамматического материала past continuous: open the brackets to put the correct form of the verb, then translate the sentences: at 6 o’clock yesterday i … (play) football with my friends. while my mother … (sweep) the floor, i … (wash) the dishes yesterday. what … you … (do) when i called you yesterday? she … (read) an interesting book when her mother entered the room. when sam … (cross) the street, he saw an accident.