2. will be

6. Do you cook

9. what does your mother usually cook for lunch?

10. I'm walking

11. are you talking

12. is sleeping

13. don't know what harry told you.

14. 're always complaining

15. he changed since I saw him

16. walk to school. I don't take the bus.

17. what are you doing here

18. think you are never doing harm to people.

19. stay

20. heard you are looking for a new house.