1. Is not watching, is sleeping, is

2. Is not cooking, cooks

3. Am not drinking, am writing

4. Do not drink, drink

5. Is...doing

6. Does...go

7. Is sleeping

8. Sleeps

9. Does not work

10. Is not sleeping, is working

11. Get

12. What is your sister doing now?, is washing

13. When do...come, come

14. Where does...work

15. Does...study, goes