Make the following sentences interrogative and negative: 1. it's is 10 o'clock now. 2. they have got five children. 3. you are late. 4. he is hard-working. 5. we have got a small cottage. 6. i have much time. 7. we are students. 8. she has got many english books. 9. there are 14 floors in their house. 10. i am from kiev. 11. his name is steve. 12. he is a first-year student. 13. he is twenty. 14. they are
at home. 15. it is warm today. 16. there are 15 employees in his office. 17. the office is large. 18. they are lawyers. 19. her eyes are green. 20. they are friends.