Срочно надо вставить am is are not isn`t. Тренировочная тетрадь 7-8 класс Фоменко

Question

Срочно надо вставить am is are not isn`t.
Тренировочная тетрадь 7-8 класс Фоменко

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Answer 1

1 is
2 are
3 am not
4 is not
5 are not
6 Is
7 are
8 is
9 Are
10 is 
11 am
12 are
13 is
14 are
15  are
16 are
17 is
18 is not
19 is
20 am 
21 is