10 отрицательный предложений present perfect
10 вопросительных present perfect

1 mother hadn't cooked dinner by six o'clock. 2 l haven't bought milk yesterday. 3 the film have Already begun. 4 children have done homework. 5 l have worked .6 she has begged. 7 they have  trained.8 they haven't gone to the gym. 9  hasn't been to the health club.10 she has never gone ice skating before.