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.