1. To train highly qualified scientific workers is extremely important for the development of modern science. 2. They hoped to be sent to the conference. 3. The process to be analyzed in this article is known as ionization. 4. The plan of our work will be discussed at the meeting to be held in May. 5. The car was waiting at the door to take them to the station. 6. In order to catch the train you should leave immediately. 7. To study this phenomenon requires much knowledge. 8. Our plant produces automatic and semiautomatic machine-tools (станки) to be installed in new large shops. 9. He was the first to become interested in the development of that system. 10. The problem to find a more economical way of production was solved. 11. This method is accurate enough to give reliable results. 12. Professor Smith was the last to leave the laboratory. 13. This problem is too complex to be solved by the students. 14. To make a long story short, the man that's just gone out of the classroom is not our lecturer. 15. A problem to be solved by digital computers must be expressed in mathematical terms. 16. Newton was the first to realize elliptical paths of comets. 17. To lie is not my custom.
III. Перепишите предложения, поставив, где нужно частицу to.
1. You must … learn this poem by heart. 2. You can’t … make me … do it. 3. Let the next student … come in now. 4. We would rather … take a train. 5. We heard the postman … come up to the door. 6. – do you know what … do with this letter? – Yes, I do. You should … return it to Ann. 7. You had better … stay in bed. You are ill. 8. Would you like … go to the cinema with me? 9. What made you … terrorize me? 10. Jack asked me … tell him the truth.
