Вопрос add a question-tag to these sentences пожалуйста помогите после математики и русского голова не варит

6. does't she? 7 can you? 8 do you? 9 will they? 10.aren't I? 11. hasn't he?12. didn't she? 13.don't they?   14.won't they?  15.aren't you? 16 doesn't she? 17 are you?  18did you?  19 isn't she?  20 don't they?