1. He works in the centre of Chicago. 2. He is working in the centre of Chicago. 3. He does not work in the centre of Chicago. 4. They read many books. 5. They are reading many books. 6. They do not read many books. 7. The children are eating soup now. 8. The children do not eat soup now. 9. Do you play volleyball well? 10. When do you play volleyball? 11. When are you playing volleyball? 12. What does Nick do in the evening? 13. He goes to the cinema in the evening. 14. We do not dance every day. 15. Look! We are dancing. 16. Does Kate sing well? 17. Where are you going in the morning? 18. He does not sleep after dinner. 19. My granny sleeps after dinner. 20. When do you sleep? 21. Nina does not sleep now. 22. Where does John live? — He lives in England. 23. My friends from Switzerland speak four languages. 24. Elvire speaks English, German, and French. — Yes, she does. 25. She only does not speak Italian.