Add question tags to the following statements:

1. He hardly ever makes a mistake, _______ ?

2. Nobody likes the play, _______ ?

3. He isn’t here, _______ ?

4. This is your pen, _______ ?

5. Somebody wanted a drink, _______ ?

6. You’ve been to Ha Noi, _______ ?

7. He used to live here, _______ ?

8. Those aren’t your books, _______ ?

9. Neither of them offered to help you_______ ?

10. Nothing went wrong yesterday, ___________ ?

11. Mrs. Brown usually remembered her husband’s birthdays, _______ ?

12. It is not a very good book, _______ ?

13. This won’t take long, _______ ?

14. You don’t need me anymore, ______?

15. It never works very well, _______ ?