1. She wants to be a doctor. SHOULD she study medicine? Yes, SHE SHOULD.
2. I hurt my ankle. SHOULD I play tennis? No, YOU SHOULDN'T!
3. She’s tired. SHOULD she go to bed? Yes, SHE SHOULD.
4. He has a headache. SHOULD he listen to loud music? No, HE SHOULDN'T!
5. We want to travel from Poland to Russia. SHOULD we go by plane? Yes, YOU SHOULD!
6. It’s 11. p.m., and they have a long drive home. SHOULD they go home now? Yes, THEY SHOULD!
7. He has a big test Tomorrow. SHOULD he watch TV all night? No, HE SHOULDN'T!
ответ:1. He is running now. He has been running for ten minutes without any rest. 2. What are they doing now? — They are working in the reading-room. They have been working there for already three hours. 3. Where is he now? — He is in the garden. He is playing volley-ball with his friends. They have been playing since breakfast time. 4. I live in St. Petersburg. I have been living in St. Petersburg since 1990. 5. She already has been doing her homework for two hours; but she has not done yet half of it. 6. I have been waiting for you since two o'clock. 7. What are you doing? — I am reading. I have been reading for already two hours. I already have read sixty pages. 8. This man is a writer. He writes books. He has been writing books since he was a young man. He already has writen eight books. 9. What have you been doing here since morning? 10. Lena is a very good girl. She always helps her mother about the house. Today she has been helping her mother since morning. They already have washed the floor and dusted the furniture. Now they are cooking dinner together. 11. This is the factory where my father works. He has been working here for fifteen years. 12. Have You found your note-book? — No! I am still looking for it. I already have been looking for it for two hours, but haven't found it yet. 13. You have been playing with a ball for already three hours. Go home and do your homework. 14. Wake up! You have been sleeping for ten hours already. 15. I have been waiting for a letter from my cousin for a month already, but haven't received it yet. 15. It is difficult for me to speak about this opera as I haven't heard it. 16. I just have received a letter from my granny, but I haven't received yet any letters from my parents. 17. The weather is fine today. The sun has been shining ever since we got up. 18. Every day I wind up my watch at 10 o'clock in the evening. 19. Come along, Henry, what are you doing now? I am waiting for you a long time. 20. Where your gloves are? — I have put them into my pocket.
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This student doesn't have a good memory. Does this student have a good memory?
Professor Smith and Professor Black are not colleagues. Are Professor Smith and Professor Black colleagues?
They are not economists. Are they economists?
The secretary isn't in the office. Is the secretary in the office?
Bill has no questions to the lecturer. Does Bill have any question to the lecturer?
Lecture halls are not on the second floor. Are lecture halls on the second floor?
The problem is not difficult. Is the problem difficult?
We don't have lectures on Friday. Do we have lectures on Friday?
A scientist is not an expert in natural sciences. Is a scientist an expert in natural sciences?
A scholar isn't an expert in the humanities. Is a scholar an expert in the humanities?