Помогите пожалуйста.заранее спасибо:))).add a question-tag to these sentences:

13. am I 14. doesn't he 15. is it 16. doesn't she 17. does he 18. did they 19. weren't they 20. didn't they 21. have you 22. do you 23. doesn't he 24. did he 25. doesn't he 26. isn't it 27. hasn't he 28. isn't it 29. can they 30. is it

1.isn't he? 2.wasn't it? 3.doesn't she 4.can you? 5.don't they 6.aren't you? 7.doen't she? 8.did you? 9.isn't she? 10.don't they? 11.does he? 12.aren't they? 13.am I? 14.doen't he? 15.is it? 16.doesn't she? 17.does he? 18.did they? 19.weren't they? 20. Didn't they? 21.have you? 22.do you? 23.hasn't he? 24.did he? 25.doen't he? 26.isn't it? 27.hasn't he? 28.doen't it? 29.can they? 30.is it?