1. wants
2. is making
3.drinks
4.do
4. is knocking
5. is snowing
6. are doing
7. do you hear
8. see/is looking
9. do you go
10. do you understand
11. work
12. is wearing
13. get up/is getting up
14. do you say
15. is getting
16. gets
17. is singing
18. has