1. Is boiling 2. is learning 3. are doing 4. is shining 5. is taking 6. is waiting 7. are trying 8. am writing 9. is learning 10. isn't going 11. is playing 12. are looking 13. is sitting, is studying 14. is lying 15. are working 16. are talking 17. are cooking, is making 18. is driving, is listening 19. is reading 20. is lying 21. are you having 22. she's still singing 23. is standing, is smoking 24. is walking 25. is lying 26. в 21 27. are you studying 28. is lying 29. are taking 30. it's still raining 31. are running 32. am doing 33. are going