1. They can't afford a new sports hall, can thet?
2. Your friends could come round today, couldn't you?
3. your sister should try this shop, shouldn't she?
4. you mustn't tell anyone, need you?
5. you couldn't buy me some stamps, could you?
6. we must get there earlier tomorrow, needn't we?
7. the students should have a day off, shouldn't they?
8. dave can't play the violin, , can he?
9. your parrot can't talk, can it?
10. we could go to the beach tomorrow, couldn't we?