5.
1 am
2 are
3 is
4 are
5 is
6 is
7 are
8 am
1 I'm
2 we're
3 he's
4 you're
5 she's
6 it's
7 they're
8 I'm

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 you are children
10 they are boxes

7.
Is he a waiter?
Yes, he is
He's a waiter

Are they apples?
No, they aren't
They're tomatoes

Is it a bear?
No, it's not
It's a bird

Is she a teacher?
No, she isn't
She's a photographer

Are they flowers?
Yes, they're
They're flowers