Упр. 2 стр. 172 (Lesson 9)


Задание:

Упражнение 2. A. Измените предложения согласно образцам:

If I were free, I should help you. Were I free, I should help you. If he had known about the lecture, he would have come. Had he known about the lecture, he would have come.

1. If it were possible, we should begin this work at once. 2. If he had had all the necessary books, he would have made his report in time. 3. If the books had been available in our library, we could have done this work much earlier. 4. If there were no computers, space flights would be impossible. 5. If drivers were more attentive while driving, there would be less accidents on the road.

B. Переведите бессоюзные условные придаточные предложения.

1. Had he used new materials, the device would have been more reliable. 2. Were electric motors used, cars would not pollute the air, would be practically noiseless and very easy to control. 3. Had they applied the new method, the result would have been much better. 4. Were the design of cars improved, the fuel consumption would be greatly reduced. 5. Had a less explosive gas been used in dirigibles at the beginning of the century, they would have been in operation since that time. 6. Were it possible to learn how birds find their way, people would use the principle to develop a navigation system for aviation.

Решение:

A. Измените предложения согласно образцам

1. Were it possible, we should begin this work at once. 2. Had he had all the necessary books, he would have made his report in time. 3. Had the books been available in our library, we could have done this work much earlier. 4. Were there no computers, space flights would be impossible. 5. Were drivers more attentive while driving, there would be less accidents on the road.

B. Переведите бессоюзные условные придаточные предложения.

1. Если бы он использовал новые материалы, устройство было бы более надежным. 2. При использовании электродвигателей автомобили бы не загрязняли воздух, были бы практически бесшумными и очень простыми в управлении. 3. Если бы они применили новый метод, результат был бы намного лучше. 4. Если бы конструкция автомобилей была улучшена, расход топлива был бы значительно меньше. 5. Если бы в начале века в дирижаблях использовался менее взрывоопасный газ, они бы использовались до сих пор. 6. Если бы было возможно узнать, как птицы находят свой путь, люди использовали бы этот принцип для разработки навигационной системы для авиации.