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Заранее спасибо! упр 22
а) и б)

Ответы
Ответ:
a)
1. is running; has been running
2. are doing; are working; have been working
3. is washing; has been washing
4. is playing; has been playing
b)
1. had slept; had been sleeping
2. had rained; had been raining
3. had gone
4. had been sitting
a)
1. He is running now. He has been running for 10 minutes without any rest.
2. What are they doing now? They are working in the reading-room. They have been working for some time.
3. She is washing in the bathroom now. She has been washing for half an hour.
4. Where is he now? He's in the garden. He is playing volleyball with his friends. He has been playing the whole morning.
b)
1. When I came home, he was sleeping. He had been sleeping for some time.
2. It was raining when they left the house. It had been raining [during] the whole morning.
3. She had been going to this school for several years when the war broke out.
4. They had been sitting on the platform for 15 minutes before the train arrived.