Answer these questions in the negative form

1.       Is this a pen?

2.       Is that a tank?

3.       Are these books?

4.       Are those chairs?

5.       Am I a doctor?

6.       Is he a teacher?

7.       Is she a nurse?

8.       Is it your pen?

9.       Are we partners?

10.   Are you the players?

11.   Are they students?