I.
1. haven't we?
2. isn't it?
3. will it?
4. aren't you?
5. weren't they?
6. can't he?
7. shall not I?
8. aren't they?
9. were we?
10. is it?
11. has she?
12. won't it?
II.
1. can they?
2. was she?
3. isn't he?
4. won't it?
5. haven't they?
6. weren't they?
7. can't they?
8. was it?
9. won't it?
10. weren't they?
11. aren't they?
12. will you?
III.
1. aren't they?
2. do they?
3. don't we?
4. doesn't he?
5. don't they?
6. does he?
7. did he?
8. hadn't you?
9. did he?
10. did it?
11. did we?
12. did he?