1. Are they having a training session? Yes, they are having. Yes, they are. Yes, they have.
2. Does she work here? Yes, she does. Yes, she works. Yes, she does work.
3. Will you drive me home? No, I won't drive. No, I driven't No, I won't.
4. Who usually sits here? Cathy sits. Cathy does. Cathy does sit.
5. Who has got my book? I got. I have. I got your book.
Unit 11