1. is coming
2. do you work
3. is swimming
4. are listening
5. is he wearing
6. is sleeping
7. is sitting... and having
8. is looking
9. are preparing
10. is snowing
11. is not watching
12. are you doing
13. do you work
14. want
15. tastes
16. is boiling
17. doesn't work
18. is playing
19. do you speak
20. is playing