7. Margaret doesn’t play tennis in the park in summer.

8. My brother couldn’t roller-skate last winter.

9. John and Sally weren’t in New York in August.

10. The tourists aren’t enjoying their trip around Russia.

11. Teddy won’t sleep in the hall.

12. Chase wasn’t listening to music when I saw him.

13. Pete wasn’t born in spring.

14. There aren’t many clouds in the sky.

15. It isn’t half past seven p.m.