решите пожалуйста очень надобно я не разумею 3 и 5

и 6 кто может

3. 1. What are you doing at the moment?
2. I am studying English.
3. We are not playing football now.
4. We are sitting in the classroom.
5. Our teacher is not working today.
6. What is she doing now?

5. 1. Are you going out this evening?
2. Is your mum working tomorrow?
3. Are you meeting friends at the weekend?
4. Is your teacher going on holiday next week?
5. Are you going to university next year?

6. 1. Yes, I am/No, I'm not
2. Yes, she is/No, she isn't
3. Yes, I am/No, I'm not
4. Yes, he is/No, he isn't
5. Yes, I am/No, I'm not