music. 9. They are certain to inform us about their plans. 10. The application of science and technology in all field is certain to affect the structure of society as a whole. 11. However the mental capacity of computers is unlikely to reach human level in the nearest future. 12. Very soon portable computers are sure to be able to solve almost any problem faster and more efficiently than we can.

С. 1. The exhibition proved to be a success. 2. He proved to be a talented composer. 3. The current in the river seems to be slow. 4. The winter fogs in London seem to be simply awful. 5. This church appears to be made of wood. 6. He seems not to understand the importance of this event. 7. The discussion proved to be too long. 8. They seem not to approve of our plan. 9. They appear to be very interested in their work. 10. At first everyone thought he was lazy, but he turned out to be a hard worker. 11. The doctor chanced to be there at the time of the accident. 12. These two scientists happened to work at the same problem.

2. Закончите следующие предложения, употребляя простой или перфектный инфинитив в активе или пассиве.

1. The speed of the car is known to ... .2. This team is expected to ... . 3. The diesel engine is known to ... . 4. The results are supposed to ... . 5. The weather is assumed to ... . 6. The radio was thought to ... .7. The calculations were considered to ... .8. The new system was believed to .... 9. The scientist is always supposed to ... . 10. The match is reported to .... 11. The road is expected to .... 12. The design is said to ... .

3. Замените придаточные предложения Subjective-with-the Infinitive Construction.

Example: It is said that he knows the subject well. He is said to know the subject well.

A. 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 was said that the performance had been a success. 4. It is supposed that the coming conference is of great importance for our work. 5. It is known that the word "smog" is a combination of the two words "smoke" and "fog". 6. It is known that the Gulf Stream brings warm waters to the British shores. 7. It is believed that he spent 10 years in Africa. 8. It is

reported that great construction work is going on in their city. 9. It is assumed that "hot", "warm" and "cold" are not very definite terms.

B. 1. It seems that the strength of this beam is great. 2. It appears that each atom represents something similar to our solar system. 3. It seems that he possesses a valuable collection of pictures. 4. It seems that the weather is improving. 5. It happened that 1 was ill at that time. 6. It seems that she is seriously ill. 7. It turned out that he had done nothing to help her. 8. It seems to me that he was very tired.

C. 1. It is likely that the meeting will take place tomorrow. 2. It is unlikely that my watch is 10 minutes slow. 3. It is certain that the fog is one of the most typical features of London climate. 4. It is likely that we shall take examinations on the 10^th of January. 5. It is sure that computers find wide application in every-day life. 6. It is unlikely that he will be given another chance to take the examination. 7. It is sure that all details of the plan were discussed long ago. 8. It is sure that he was taken with the expedition to the Caucasus.

4. Преобразуйте следующие предложения, употребив The Subjective-with-the Infinitive Construction. Используйте глаголы, данные в скобках.

Example: History repeats itself, (to know) History is known to repeat itself.

1. Leonardo da Vinci discovered and laid down immortal principles in the theory of art. (to know) 2. Leonardo da Vinci designed the first parachute (to suppose) 3. Leonardo denied himself meat out of an aversion to the killing of animals, (to say) 4. Applied science will produce a vast increase in entirely new synthetic products of all kinds (to expect). 5. Rapid expansion of industrialization leads to an exhaustion of natural resources (to believe). 6. Close cooperation between scientists and scientific institutions all over the world is one of the most striking characteristics of modern science (to consider). 7. Charles Spencer Chaplin made more people laugh than any other human being in the history of the world, (to know) 8. Tom is worried about something (to seem). 9. That man is looking for something (to be likely) 10. His car has broken down (to appear). 11. She has lost weight (to be sure). 12. The prisoner escaped by climbing over the wall (to be unlikely).