Răspuns:
1.Trina is walking
2. We are waiting
3. isn't moving
4. are you coming
5. am sitting
6. isn't having
7. is playing
8. is sitting
9. am not wearing
10. isn't standing
11. am not writing
12. is having
13. is learning
14. is making
15. is opening
16. is brushing
17. is singing
