2 We are / we're
3 He is not / he isn't
4 you are / you're
5 she is / she's
6 it is / it's
7 they are not/ aren't
8 I am not / I'm not
Ex 6:
2 they are teachers,
3 they are deer
4 we are boys
5 they are policewomen
6 they are giraffes
7 we are bikers
8 they are men
9 they are children
10 they are boxes