10. I always ……………….(meet) him on the corner of this street.

11. Where you ………………..(go) now? – I ……………….(go) to the theater.

12. He ……………….(not do) morning exercises regularly.

13. he ………………………………….(do) morning exercises now?

14. Water ……………….(boil) at 100 degrees centigrade.

15. He …………….. (meet) the dentist next week.

16. You……… ……………..(be) a good student?

17. They …….. usually …………. (not go) to school by motorbike.

18. He …………… (swim) over there now.

19. She ……………..(come) here next month.

20. They ……………….. (not be) doctors.