Сграмматическим материалом. употребите present simple или future simple. 1)i (finish)watching the film before i (go)to school. 2)we(go) for a walk as soon as it(stop)raining. 3)if you (not/leave)at once,you (be)late for school. 4)if he(not/hurry)he(not/catch)the train. 5)the child (not/be)happy until mother(buy)a new toy. 6)you(not/feel)better unless you(take)the medicine. 7)tom(phone)us after he(return)home. 8)he(have)an accident unless he (drive)more carefully.