1. Tom plays football on Saturday.
2. He doesn't play football every day.
3. I'm wearing a suit now.
4. I'm not wearing jeans now.
5. My friend doesn't like to play football.
6. I'm not reading now.
7. Is he sleeping now?
8. We don't go to the country in winter.
9. My sister eats sweets every day.
10. She's not eating sweets now.
11. They do their homework in the afternoon.
12. They don't go for a walk in the evening.
13. My father doesn't work on Sunday.
14. He works every day.
15. I read books in the evening.
16. I don't read books in the morning.
17. I'm writing an exercise now.
18. I'm not writing a letter now.
19. They're playing in the yard now.
20. They're not playing in the street now.
21. Are they playing in the room now?
22. He helps his mother every day.
23. Does he help his mother every day?
24. He doesn't help his mother every day.
25. Do you go to school on Sunday?
26. Is she working in a shop now?
27. Is he delivering letters now?
28. Do you go to the opera with your friends?
;)