B) вспомогательными.

a) scientists do invent; scientists don’t invent; scientists do their invention; the engineer doesn’t construct; the engineer does construct; the engineer does this construction; the robot didn’t work; the robot did its work; the robot did work;

 

b) scientists have invented; scientists have to invent; scientists have a new invention; the engineer had to construct; the engineer had constructed; the engineer had this construction; the robot has much work; the robot has to work; the robot has worked;

 

c) scientists were to invent; the task of scientists were to invent; they were scientists; scientists were inventing; the engineer is constructing; the engineer is to construct; the aim of the engineer is to construct; it is constructed by the engineer; he is an engineer; the robot was worked at; it was a robot; he robot was working; the robot was to work;

 

d) the inventions were done by scientists; the producer had to create; he did his task; he will be a good scientist; we are engineers; the new equipment has been developed by; the plan of constructor is to design; did he repair; new compound was produced; the system is to be reconstructed; this device has a lot of; the physicist will do this work; the designer did develop; the technologist is working hard.

 

2. Сравните сказуемые по форме и дайте их русский эквивалент:

 

1. He had much work. He had to work hard to complete it in time.

2. Mathematics is of great importance for engineers. Every technical student is to study it for some years.

3. The addition of heat does not increase the weight of metal, however, the combination with air does increase its weight.

4. Automation today is an important factor of chemical industrial production. It is being introduced on a wide scale in all branches of industry and agriculture as well as in medicine and everyday life.

5. Due to the Sun people have immense supplies of energy. We have to build special solar stations to convert solar energy into electrical one.

6. In close cooperation with industrial workers our scientists and engineers are developing a lot of new types of electronic and cybernetic devices. They are to become the basis for the solution of a great number of economic and scientific problems. They will be reliable helpers of engineers and scientists.

 

3. Дайте русский эквивалент предложений, обращая внимание на функции глаголов to do, to have, to be.

 

1. Our scientists had to solve many complicated practical problems in the construction of the first atomic power plant.

2. Our task is to raise temperature.

3. Various techniques are used to model data structure.

4. These systems do result in new materials having properties not previously available.

5. The carbon content was too high for the metal to be used without refining.

6. The electric motor does mechanical work.

7. The purpose of this catalist is to accelerate the process of chemical reaction.

8. The light has just changed from green to red.

9. Thanks to computers we are processing information millions times quicker now.

10. The results of the last experiment were very important for our further work.

11. Do you know how a four cycle diesel works?

12. The accuracy capabilities of these automatic machines are very high.

13. There is a second approach to the problem that does provide a slight time saving.

14. Special techniques have had to be advised for solving the problem.

15. The experts are to take into account the results of the test.

16. The amount of the accomplished work does not depend on the time spent on lifting the weight.

17. As these machines will have everything necessary for automatic measurements and inspection, the workers will use them in their work.

18. Iron, copper and lead have been known and used by man for many thousands of years.

19. What kind of methods did they suggest?

20. Now some 50 kinds of synthetic rubber are being produced by our plants and factories.

21. Automation has also had an influence on the areas of economy other than manufacturing.

22. Soon I’ll be a programmer, too.

23. Nowadays any investigator does work having access to the scientific information.

24. Mankind was entering an age of high speeds, pressures and temperatures at the beginning of last century.

25. The science of strength of materials had to cover a long and difficult path.

26. Metallurgists were to study a new class of alloys used in rocket engineering.

27. The ion does have a definite mobility that does not change with time

28. In lifting the weight we have to do work against the force of gravity.

29. These particles are too small to be seen but experiments show that they do exist.

30. Automated manufacturing had several steps in its development.