1. read 2. don't read 3. I'm writing 4. aren't writing 5. are playing 6. aren't playing 7. are they playing in the room now? 8. helps 9. does he help his mother every day 10. does not help 11. do you go 12 . doesn't like 13. I'm not reading now 14. Is he sleeping now? 15 . don't go 16. eats 17. isn't eating 18.do 19. don't go 20 . doesn't work 21.works