1. Her children are in the yard. They are_ playing_football now.:They have_been_ playing_it since ten o’clock. 2. She speaks_English well. She studied it for five years. Listenl She is speaking_English to her teacher. 3. His son_has just returned_home. He is dirty. He has_been_ playing volley-ball. 4. Where is_David? — He is in the library. He is working there at the moment. — How long has_he been there? — He has_ been working_for three hours. 5. Why does she look tired? She has been_working all night. 6. Since when have_they been waiting for us? - They have_ been waiting for half an hour. We are_being late. 7. My sister drives a car. She has_been_ learnig to drive for two months. 8. Beth has_been busy this morning, hasn’t she? - Yes. She has_already written_some letters and interviewed four people. 9. Julia has_already returned home. She always comes home at this time. She is doing her lessons. She has_been_ doing them since three o’clock. 10. My baby is sleeping_at the moment. My baby has_been sleeping for two hours. 11. Peter is writing letters now. He has_been writing since seven o’clock. He has_not finished writing yet. 12. What are_they doing now? — They are discussing a very important problem. They have_ been discussing it for two hours; but they have not reached the agreement yet. 13.I_have never supposed that he can cook. He is in the kitchen now. He has_been cooking for an hour and he has_already prepared some tasty dishes. 14. The weather is fine today. There are no clouds in the sky, the warm wind is blowing. The sun has_been shining since early morning
15. Where are the pupils? - They are in the garden now. They are planting and watering the trees. They have_already planted twenty trees. 16. Have_you decided where to go tonight? — I have_been_thinking about it since eight o’clock but I have_not taken the decision yet. 17. Where_is my purse? - You put it/have_put_it into your bag. 18. Why don’t_you like this woman? - I have hated her since I met her. 19. He has worked as a translator for already five years. 20. I can say nothing about this ballet as I haven’t_seen_ it.
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