Exercise 2. Use the required form of the infinitives in brackets and translate the sentences into Russian. 1. The data (to assume) to correlate with the recent theory. 2. Some people (to seem) to be
disappointed in science. 3. They (to happen) to work at the same problem. 4. The work (to be likely)
to contribute to the solution o f the problem. 5. He (to be sure) to argue about it. 6. The experiment
(to expect) to give useful results. 7. At that time it (to seem) to be impossible to settle the problem.
8. This approach (to think) to give practical results. 9. The experiment (to report) to have completed
successfully. 10. The results o f the experiment (to turn out) to be not what he had expected. 11. The
scientists (to suppose) to have spent five years on the problem and finally gave it up. 12. The
conference (to believe) to be interesting. 13. The scientists (to seem) to consider all sides and
evaluate all facts. 14. The crime (to seem) to have been committed by a left-hand man. 15. The
delegation (to be likely) to arrive before six. 16. He (to say) to be a brilliant scientist.
Exercise 3. Learn to distinguish between Indefinite, Continuous and Perfect Infinitive in the Complex Subject with the Infinitive Construction and give their proper translation. 1. He is said to have graduated from Oxford University. He is said to avoid all sorts of
arguments. 2. They seem to have taken advantages o f the favorable conditions. He seems to
mention the problem in the last chapter o f his book. 3. He appeared to have lost interest in physics
altogether. The story may appear to be oversimplified. 4. He is known to have established a
laboratory o f his own. This scientist is known to be keeping in touch with the latest developments in
his field o f research. 5. Molecular scientists are known to borrow their techniques from other
sciences, mainly from physics. The scientists appeared to have borrowed their techniques from
other sciences. 6. This research institute turned out to be studying the influence o f air pollution on
the reproductive health o f the population. This research institute turned out to have studied the
influence of air pollution on the reproductive health o f the population.