2. B: Yes, they are. They are in my class at school.
3. A: Is Ms Brown your English teacher?
B: No, she isn't. She is my mother's friend.
4. A: Am I in your team?
B: No, you aren't. You're in Pam's team.
5. A: Is Jules French?
B: Yes, he is. He is from Paris.
6. A: Are we late?
B: No, we aren't. We're early.
P.S. В 1-В не "No, I am not angry", а "No, I am not".