Выпишите глаголы, укажите залог и время.
1.Charged particles are influenced by electric fields.
2.Thomson’s discovery of electron was followed by many other exciting discoveries.
3.It was found that the substance was radioactive.
4.Steps are taken to increase the production of our plants.
5.The result of the experiment is shown in fig.11.
6.Chemical methods of purifying water are given much attention to at present.
7.The new discovery was being much spoken about.
8.This problem can be solved by a new kind of electronic computers.
9.The performance of the new computer will be demonstrated tomorrow.
10.Samuel Morse believed that electricity could be used to send messages.
11.The new device had been tested for two hours when the chief engineer came and
stopped the experiment.
12. The relay was given its initial position.
13. The molecules of even a good insulator are acted upon by an electric field.
14. The operation of the new device was looked at with great interest.
15. The discovery of the electron was followed by the discovery of the proton and neutron.
16. After the international conference on ecology it has become possible to begin working at environmental problems on a global scale.
17. Some scientists and engineers are working at improving traditional production processes, others are developing new technologies.
18. The new instruments will enable us to determine the level of pollution in our rivers.
19. Our technological advances make it possible to deal with the most difficult problems.
20. Our lecturer’s book on strength of materials is well-known and popular.
21. One must study six years to become an engineer.
22. There is a big library in the new building of our institute. It is a very good library. One may get all the necessary books there and it is possible to keep them till the end of the academic year.
23. It is well-known that technological progress is impossible without electronics, computers, robots and new materials.
24. That ecological problems have become the most important ones at present is evident to all.
25. What is necessary for the students is to get a good qualification.
26. That S.P. Korolyev was the founder of practical cosmonautics is a well- known fact.
27. That theory is combined with practical training is a very good tradition of our educational system.
28. That it is necessary to develop an international ecological program is realized throughout the world.
29. It is evident that electricity will be the energy of the future.
30. The transformer was invented and the first electric lines and networks were set up at the end of the 19th century.
Ответ:
1. are influenced — пассивный, Present Simple
2. was followed — пассивный, Past Simple
3. was found — пассивный, Past Simple
was — активный, Past Simple
4. are taken — пассивный, Present Simple
to increase — активный, нет времени, так как инфинитив
5. is shown — пассивный, Present Simple
6. are given — пассивный, Present Simple
7. was being spoken — пассивный, Past Continuous
8. can be solved — пассивный, Present Simple
9. will be demonstrated — пассивный, Future Simple
10. believed — активный, Past Simple
could be used — пассивный, Past Simple
11. had been tested — пассивный, Past Perfect
came — активный, Past Simple
stopped — активный, Past Simple
12. was given — пассивный, Past Simple
13. are acted — пассивный, Present Simple
14. was looked at — пассивный, Past Simple
15. was followed — пассивный, Past Simple
16. has become — активный, Present Perfect
to begin — активный, инфинитив
working — активный, герундий (возможно Present Continious)
17. are working — активный, Present Continuous
are developing — активный, Present Continuous
18. will enable — активный, Future Simple
to determine — активный, инфинитив
19. make — активный, Present Simple
to deal — активный, инфинитив
20. is — активный, Present Simple
21. must study — активный, Present (Future) Simple
to become — активный, инфинитив
22. is — активный, Present Simple
may get — активный, Present (Future) Simple
is — активный, Present Simple
to keep — активный, инфинитив
23. is — активный, Present Simple
is — активный, Present Simple
24. have become — активный, Present Perfect
is — активный, Present Simple
25. is — активный, Present Simple
to get — активный, инфинитив
26. was — активный, Past Simple
is — активный, Present Simple
27. is — активный, Present Simple
is — активный, Present Simple
28. is — активный, Present Simple
is realized — пассивный, Present Simple
29. is — активный, Present Simple
will be — активный, Future Simple
30. was invented — пассивный, Past Simple
were set up — пассивный, Past Simple
Объяснение: