2. Поставте дієслово в дужках в потрібну форму та перекладіть:

1. It (to take) the Earth 24 hour to rotate round its axis.

2. Einstein (to present) his theory of relativity in 1905.

3. The recent advancements in instrumentation (to facilitate) the solution of this problem.

4. The first section of the combine (to commence) operation next year.

5. Your experiment (not to give)good results until you (to change) the speed.

6. In our experiments we usually (to apply) the latest instruments.

7. Considerable changes currently (to take place).

8. It (to be) very difficult in early days of the atom smashing do deliver a hit on the nucleus.

9. Since when it (to become) possible to use computer in typing?

10. Genetics (to make) a fresh surge forwards.

11. That day I ( to make) acquaintance with Professor N. who (to write) the book..

12. Director will not be available at that time. He (to receive) a foreign delegation.

13. At their last meeting they (to discuss) every detail of the building.

14. He (to enter) the laboratory, (to switch) the light and (to begin) calculating the results of the experiments.

15. In recent years a considerable number of works (to appear) on various problems of elementary particle physics.

16. The apparatus (work) when you come.

17. The scientists (to discuss) the results for three hours before they (to come) to this conclusion.

18. When I came they (to discuss) the new method of producing high quality steel.

19. We left the port after the ship (to disappear).

20. After returning home he (to resume) his work.