Английский помогите пожалуйста,срочно!

1. aren't I
2. aren't we
3 are they
4 am I
5 were they
6 is she
7 isn't that
8 isn't he
9 can't he
10 mustn't it
11 won't it
12 don't they
13 will they
14 isn't there
15 hasn't she
16 does she
17 haven't they
18 wasn't I