IV. Прочитайте предложения, перепишите их, обращая внимание на выделенные слова ones, one, переведите предложения на русский язык.

1. I know only one solution of this problem. - Я знаю только одно решение этой проблемы.

2. The second satellite was launched about a month after the first one. - Второй спутник был запущен около месяца спустя после первого.

3. The floods destroyed some smaller bridges, but left the main ones untouched. - Потоки разрушили мосты поменьше, но большие оставили нетронутыми.

4. One can easily regulate the speed of this machine. – Любой сможет легко регулировать скорость машины.

V. Перепишите предложения, употребив глаголы в правильной видовременной форме, переведите предложения на русский язык. Обратите внимание на функции глаголов to have, to do, to be в предложениях.

1. He (to have) to demonstrate a new machine tomorrow. - He will have to demonstrate a new machine tomorrow.

2. The table of elements (to have) gaps, but Mendeleev predicted that they would be filled by elements not yet discovered. - The table of elements had gaps, but Mendeleev predicted that they would be filled by elements not yet discovered.

3. Steps (to be) to be taken to purify the substance.- Steps are to be taken to purify the substance.

4. The Internet (to be) based on the concept of a client-server relationship between computers, also called a client. - The Internet was based on the concept of a client-server relationship between computers, also called a client.

5. Semiconductor devices let electric current pass through them only in one direction and (to do) conduct it at all in the other. - Semiconductor devices let electric current pass through them only in one direction and don’t conduct it at all in the other.

6. I (to do) a huge amount yesterday. I finished the report, I ordered some new textbooks. - I did a huge amount yesterday. I finished the report, I ordered some new textbooks.

VI. Перепишите предложения, подчеркните инфинитив. Переведите предложения на русский язык.

1. To make this experiment is very important.

2. There is no doubt that in time scientists will realize some new projects.

3. To know physics well you must study hard.

4. Do you know how to use the machine or would you like me to show you?

VII. Перефразируйте следующие предложения, употребив субъектный инфинитивный оборот. Напишите их и переведите на русский язык.

1. It is expected that this method will offer some advantages. - This method is expected to offer some advantages.

2. It has been claimed that the Earth is shrinking by ten meters each year. - The Earth has been claimed to shrink by ten meters each year.

3. It is known that the power station is situated on the Angara River. - The power station is known to situate on the Angara River.

4. It is considered that this device has been designed in that laboratory. - This device is considered to have been designed in that laboratory.

Работа над текстом

I. Прочитайте текст, используя пояснения к тексту. Выполните упражнения к тексту.