4. Определите функцию глагола "to have" в данных предложениях.

1. Pure water has no colour. 2. The wind is very strong; the river has overflown its banks. 3. We have many valuable minerals in the Urals. 4. We have developed chemical industry in the Urals. 5. We have obtained salt by the evaporation under reduced pressure. 6. Aluminium is a metal which usually has a bluish-white surface. 7. Before the lecture we have to hang all the diagrams on the wall. 8. An electrician has to protect him­self with robber clothes when working. 9. She scientists have found that radium radiations have a very powerful effect on all living matter. 10. We shall have a meeting tomorrow. 11. Somebody will have to make a report about our work. 12. You will have to find out where he is now. 13. We have many laboratories at our Institute. 14. Many inventions have brought fame to our science. 15. Our scientists have to solve many vital problems. 16. We shall have to do many experiments.

5. Переведите предложения, обращая внимание на значение гла­гола “to have".

1. I have a new room. 2. I did not have to clean it; my mo­ther has cleaned it for me. 3. The boy has high temperature, so doctor has examined the boy, he has to stay In bed. 4. Every woman has much work at home. 5. She has to cook, to wash and to clean. 6. I have not finished doing my assignment. 7. I have to translate the text but I have no dictionary. 8. Every candidate to the Institute will have examinations in August. 9. Have you ever seen my sister? 10. Photography has to reproduce nature. 11. The examination paper had to contain not less than twenty grammar exercises. 12. Students will have to put questions to the text. 13. The Institute has to provide residence for all students who arrived from collective farms. 14. Pay attention to my pronunciation - you will have to reproduce it. 15. My friend has to support a large family.

6. Заполните пропуски глаголами “to have to”, “to be to”.

1. I can’t go with them as I ... to be at the Institute at half past nine. 2. If you want to understand this phenomenon better, you ... to look through some articles devoted to this problem. 3. As this question is not solved the meeting ... to be put off. 4. At ten a.m. he ... to make a report, I think it will be interesting to listen to him. 5. As he made many mistakes in his last work he ... to rewrite it. 6. Professor Black’s assistants ... to help us in our practical work. 7. The plan ... to be carried out by а group of specially—trained men. 8. John... to dтivе at а high speed all the time as he was desperately late.

7. Переведите предложения, укажите модальные глаголы.

1. This engineer had to take part in the work going on. 2. I am to meet my friends at the station. 3. You should press the button to set the machinery in motion. 4. These parts will have to be replaced. 5. Every worker in any branch of science must carry out experiments. 6. One has to study to improve one’s work. 7. A number оf scientific problems were to be solved in connection with the construction of а network of electro transmission lines. 8. Thе subject mentioned ought to be spoken of again. 9. The students should not forget that it is impossible to acquire profound knowledge of any subject without а great deal of work. 10. You ought to write these exercises at once. 11. You ought to have written the article long ago.12. You should read English texts every dау. 13. You should have read this book long ago.14. The students should know that studying a foreign language regularly will give splendid results and they will be able to master it in a short time. 15. He must have looked through all these materials. 16. He was to bring the necessary material I asked for, but he must have been kept by his professor. 17. She must have done this work carefully.