3) 1. - Are they ready?
- Yes, they are ready.
2. - Is she busy?
- Yes, she is busy.
3. - Is he right?
- Yes, he is right.
4. - Are we late?
- Yes, we are late.
5. - Is it hot?
- Yes, it is hot
4) 1. I'm not ready.
2. I'm not eight.
3. We aren't late.
4. Ann isn't cold.
5. That isn't right.
6. It isn't warm today.
7. The boys aren't late.
8. They aren't at school.
9. You aren't a teacher.
10. Sam isn't busy today.