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?