Решите все упражнения, обьясняю почему и выделяю слова ключи. ОЧЕНЬ НАДО! ПОМОГИТЕ!

1. is riding2. reads3. is writing 4. draws5. are running 6. come7. am watching 8. make9. are listening 10. has sent11. am not watering 12. doesn't call13. aren't playing 14. doesn't go15. aren't helping 16. haven't known 17. isn't buying 18. isn't learning 19. don't meet20. isn't eating 21. are you receiving22. does Ben lose23. are they standing 24. has kate worn25. are you singing 26. has she driven 27. are they eating28. has tina got29. is he skiing 30. do you feel31. is Nick drinking