Step 2: negative sentence, positive question tag 10. Your wife...

Step 2: negative sentence, positive question tag 10. Your wife isn’t interested in volleyball, ?
11. These boys aren’t good at singing, ?
12. Columbus wasn’t afraid of the long journey, ?
13. They weren’t able to conquer all of Europe, ?
14. I couldn’t sell the tickets at that time, ?
15. We haven’t read all his books, ?
16. Your pen friend hasn’t answered for a long time, ?
17. The girls won’t go to that boring party, ?
18. She hadn’t left the disco alone, ?