1. I --- Isn't am not isn't aren't stupid.

2. She --- Isn't am not isn't aren't here at this moment.

3. You --- Isn't am not isn't aren't strong enoguh.

4. --- Isn't am not isn't aren't your dad too old for that ?

5. My sister --- Isn't am not isn't aren't older than me.

6. This computer --- Isn't am not isn't aren't cheap.

7. He --- Isn't am not isn't aren't blind.

8. You --- Isn't am not isn't aren't friendly for us.

9. --- Isn't am not isn't aren't she too ugly for me ?

10. John --- Isn't am not isn't aren't happy today.