1 am
2 is, is
3 is, is
4 are, are, are
5 are, am
6 is is is
7 are  are
8 is  is
9 is
10 are

1 I am a student.
2 My father isn't a shop -assistant, he is a scientist.
3 Is your aunt a nurse? Yes, she is.
4 Are they at home? No, they aren't. They are at school.
5 Are you an engineer? Yes, I am.
6 Is your friend a photographer? No, she isn't a photographer, she is a student.
7 Are your brothers at school? Yes, they are.
8 Is this her watch? Yes, it is.
9 Max is an office-worker.
10 We are late, sorry!