1.
What are you (doing) here? — I (am preparing) for my report. — How long have you
(been preparing) for it? — Oh, I (havw been working) since morning. 2. He (had been teaching)
at school for five years when the war ( broke) out. 3. She (has been studying)
English since last year. 4. What are you ( reading)? — I (am reading) a
magazine. — How long have you (been reading) it? — I (have been reading) it for half an
hour. 5. She (had lived) in Moscow for ten years when her sister (came)
to live with her. 6. Our teacher (has come). Now he (is speaking) with our
monitor. 7. They (were speaking) when I ( looked) at them. 8. I (had been walking)
for about an hour when I ( saw) a little house not far from the river. 9.
When he (had read) the newspaper, he ( gave) it to his brother. 10. He
( left) for Rostov in 1990 and since then he (has been living) there. 11. At
this time tomorrow we (shall be discussing) your report. 12. Now she (is reading)
the book which I ( gave) her yesterday. 13. Have you ever ( been) to
London? — Yes, I (was) there last summer. 14. What is your friend (doing)
now? — She (is having) dinner. She usually ( has) dinner at this time.
15. I (have bought) a new dress. I (will show) it to you tomorrow when you (
come) to my place. 16. So you begin working tomorrow! And who (will take)
care of your children when you (go) to work? 17. Hello, Peter! Where
are you ( going)? — I (am going) to the library.