Поставить глаголы в правильной форме: betty was drinking coffee while she (to wait for) her friend. 2. how long you (to live) in this town? 3. when my mother came home i (to do) housework already. 4. if simon (to arrive) in time we shall go for a walk. 5. why are you so dirty? – i (to work) in the garden all morning. 6. don’t phone her now. she (to study). 7. you look busy. – i am. i (to write) a letter to my brother. 8. you sounded tired when i spoke to you last night. – well, i (to paint) the house all day. 9. have you sent these letters yet? – yes, i (to post) them yesterday. 10. are there any biscuits left? – sorry, i (to eat) them all.

1. Betty was drinking coffee while she (was waiting for) her friend.
2. How long have you ( lived/been living) in this town?
3. When my mother came home I (had already done) the housework.
4. If Simon ( arrives) in time we shall go for a walk.
5. Why are you so dirty? – I (have been working) in the garden all morning.
6. Don’t phone her now. She (is studying).
7. You look busy. – I am. I (am writing) a letter to my brother.
8. You sounded tired when I spoke to you last night. – Well, I (had been painting) the house all day.
9. Have you sent these letters yet? – Yes, I ( posted) them yesterday.
10. Are there any biscuits left? – Sorry, I (have  eaten) them all.