1.Are
2.are, is
3.is
4.am,are
5.is
6.are
7.Is,is
8 He is not a student, he is a doctor
9.is not
10 is
11 is
12 Are
13 is
14 is
15 is
1)are
2)are
3) is
4)am, are
5) is
6) are
7)are, is
8)is not, is
9)is not
10)is
