10. The sun yet, but the sky in the east is getting lighter every minute. (not to rise)

11. I you walking along the street the other day with a heavy bag. (to see)

12. I the newspaper today. (not to read)

13. It is very late, and trams running: we must find a taxi to get home. (to stop)

14. How many times you to St. Petersburg? (to be)

15. At last I this article: now I shall have a little rest. (to translate)

16. We to the country yesterday, but the rain all the pleasure. (to go, to spoil)

17. My watch was going in the morning, but now it . (to stop)

18. The lecture and the students are talking in the classroom. (not yet to begin)