Это грамматика языка. автор барашкова! буду если ! пример: he can skate, can't he? he could skate, couldn't he? 1. he can go, 2. she can 3. they can play 4. the boys can speak 5. you can come at 9 o' 6. they could dance 7. she could count 8. he could speak 9. it is the most interesting 10. they are
2. can' t she
3. can't they
4. can't they
5. can't you
6. couldn't they
7. couldn't she
8. couldn't he
9. isn't it
10. aren't they
2.can`t she
3.can`t they
4.can`t they
5.can`t you
6.couldn`t they
7.couldn`t she
8.couldn`t he
9.isn`t it
10.aren`t they