Past Indefinite, Past Continuous, Past Perfect Past Perfect Continuous:
1. He did not ( see) me as he (was reading) when I ( came) into the room. 2.
When he was in Gorki he ( visited) the places where he had played as a
boy. 3. The telegram ( arrived) five minutes after you (had left) the
house. 4. It ( was raining) hard last night when I ( left) the office. 5.
The trajn could not stop because it (was travelling) too fast at the time.
6. When I ( called) for my friend, his sister ( told) me that he (had
left) half an hour before. 7.1 ( shouted) to him to stop, but he (was
running) top fast and did not ( hear). 8. Large crowds (were waiting) at the
station when the Soviet delegation ( arrived). 9. When I (had heard) the
news, I ( hurried) to see him. 10. We (were walking) to the station when it
( began) to rain. 11. He (was sitting) in the garden when the storm (
broke) out. 12. He ( thanked) me for what I had done for him. 13. When I
( woke up.) this morning, the sun (was shining) high in the sky. 14. When
I (went) to the room the next day, I ( found) the books exactly where
I (had left) them. 15. We (had been walking) for about two hours when at last we
( saw) the lake.