1.
Peter (was reading) by the fireplace when the door ( opened) and the maid
(entered). The cook (followed) her. 2. When the mother (satisfied) herself
that the children (were sleeping) peacefully in their beds, she (took)
out the Christmas presents and carefully ( put) them into the
stockings which (were hanging) at the beds. 3. If you ( ring) me up
tomorrow, I (will tell) you all about it. 4. The lesson (has not yet begun), and the children (are talking) loudly in the corridor. 5. I (have
lived) in St. Petersburg since 1991. 6. By the fifteenth of January the
students (had passed) all the examinations. 7. The students (had written) the
paper by dinner-time. 8. They (had been sailing) down the river for many hours
before they ( came) to the village. 9. I (have not been) to my home town
for five years. 10. The rain (had stopped) by the time we ( reached) home.
11. The message (arrived) five minutes after he (had left) the house.
12. It (was) nearly eleven o'clock when we ( began) doing this work.
13. At last the reply from my grandmother (had come), and my mother (told) me that she (would come) soon. 14. Here you (are) at last! I (have been
waiting) for you for twenty minutes. Aren't you ashamed?