1. He works.
2. Does he work.
3. He doesn't work.
4. They read.
5. Do they read.
6. They do not read.
7. The children are eating.
8. Are the children eating.
9. The children are not eating.
10. Do you play.
11. When do you play.
12. What does Nick do.
13. Does he go.
14. We do not dance.
15. Kate is dancing.
16. Does Kate sing.
17. Where does he go.
18. He does not sleep.
19. My granny sleeps.
20. When do you sleep.
21. Nina is not sleeping.
22. Where does John live, he lives.
23. My friends from Switzerland speak.
24. Does Elvire speak. She does.
25. She doesn't only speak Italian.