12
1. are
2. is
3. is
4. is
5. am
6. is
7. is
8. are
9. am
10. are
=================
13
1. They are drivers.
2. We are pupils.
3. They are mice.
4. You are doctors.
5. They are singers.
6. We are nurses.
7. They are fish.
8. You are policemen.
9. They are pilots.
10. They are artists.
================
Good Luck!