exercise 2
It has been snowing all day.She has been working in hospital since 1999.How long have you been having driving lessons?I have been learning English for a long time.exercise 3
1. Tony has been talking (talk) on the phone for two hours.
2. I ___have been looking (look) for my keys since 11 a.m.
3. We ___have been waiting (wait) for the bus for 20 minutes.
4. She has been playing (play) computer games for 50 minutes.
5. They have been livong (live) in Moscow since January.
exercise 4
Jane has been teaching the cycle of life.Rose has been cleaning out a pond.Dave has been planting flowers.Tim has been building nesting boxes.exercise 5
isn't she?hasn't he?isn't she?don't they?can't you?exercise 6
make up withmake outmake upexercise 8
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2Is this book yours or mine?
3It's sunny today,but not warm.
4This isn't my jacket,mine is black.
5Children were in the garden ten minutes ago.
6It was great pleasure to listen to her story.
7There are no new words for me in this text.
8There weren't two students at the lesson last Friday.
9Now it's their problem,not ours.
10It's fifty metres to the nearest post-office.
11It will be interesting to see her in a new film.
12How many pages are there in this book?