11. Найдите субъектные инфинитивные обороты. Переведите предло­жения на русский язык.

a) 1. Polymers are said to be the dynamic part of industry, particularly plastics and fibers. 2. The discussion is expected to focus on four broad subjects: raw materials and world trade, food supplies and agriculture, prospecting, production and consumption of energy, and international financial and monetary problems. 3. He is said to be one of the best students at our faculty. 4. Light is proved to travel in straight lines. 5. The speed of light in free space is proved to be a measured constant. 6. They are believed to be working at this problem. 7. This reaction was not expected to start at lower temperatures. 8. Strength of materials is considered to be a difficult subject. 9. This factory is known to produce modern equipment for oil industry.

b) 1. The laser beam seems to have almost unlimited industrial possibilities. 2. These chemical changes prove to have been caused by heat. 3. Lomonosov and Franklin happened to make their experiments in the field of atmospheric electricity at about the same time. 4. This property seems to refer to a limited number of materials. 5. The property appears to have been mentioned frequently in the past. 6. This phenomenon does not appear to have been studied. 7. The exhibition proved to be a success. 8. He proved to be a talented researcher.

c) 1. Development of pipelines here for refined oil is unlikely to go very far. 2. They are likely to be familiar with this phenomenon. 3. Great sums of money are likely to have been spent on the research work in this branch of science. 4. The success of the exhibition is likely to surpass all expectations. 5. He is sure to have done his best to find out the results. 6. The plane is sure to be the quickest means of transport. 7. He is certain to attend all lectures and seminars. 8. The letter is unlikely to reach him in time. 9. He is sure to display his great abilities for mathematics.

12. Замените придаточные предложения субъектным инфинитивным оборотом по образцу и переведите полученные предложения.

Model: It is said that he knows the subject well.

He is said to know the subject well.

Говорят, что он хорошо знает этот предмет.

1. It is believed that the expedition will return next Sunday. 2. It is supposed that the students have already submitted their term papers. 3. It is supposed that the coming conference is of great importance for our work. 4. It is likely that the meeting will take place tomorrow. 5. It seems to me that she is seriously ill. 6. It seems to me he was tired. 8. It is reported that great construction work is going on in their city. 8. It is known that these substances have the same properties.

13. Выскажите предположение с помощью глагола, указанного в скобках.

Model: The value increases (be likely).

The value is likely to increase.

1. These values are in good agreement with the experimental ones (consider). 2. This density changes with temperature (know). 3. The product contains two components (assume). 4. The distance is shown indirectly (expect). 5. The temperature is constant during this period of time (seem). 6. The route is reduced twice (appear). 7. The value is derived from the above equation (suppose).