1. Образуйте Participle II от стандартных глаголов: to produce, to use, to increase, to fulfill, to plant, to cover.
2. Образуйте Participle II от нестандартных глаголов,
пользуясь таблицей: to put, to set, to keep, to grow, to sow, to do, to make.
3. Употребите глаголы, данные в скобках в Рast Simple, Present
Perfect, Past Perfect. Предложения переведите.
1. They just (to finish) the work.
2. My friend (tо graduate) from the Institute last year.
3. Sciеnce and technology (to produce) real revolution in medicine.
4. He (to work) at the University for thirty years before he retired.
5. Today by 9 o'clock we (to finish) the work.
6. ... you (to pass) entrance exams this year? - Yes, I ... .
2. This notice can be seen at the zoo or at the circus to (9) protect people from
danger. 3. He wants to become an ecologist himself to research and protect the
(1) environment. 4. Recently, however, our beach has become more polluted with (10) litter left by tourists and locals. 5. Our forests are disappearing because they are (2) cut down or burnt. 6. Your family can begin trying to (8) save the Earth right now.
7. If you go the seaside, you'll see the (4) pollution around you. 8. If people hadn't invented different machines and developed industry, the (6) environmental problems wouldn't have appeared. 9. Why is litter so (7) dangerous in the countryside? 10. When you buy packed goods, don't drop the (5) packaging.
2. We did not know where our grandmother had been born.
3. What have you found out about his family? When did they move to our city?
4. Where have you been all this time?
5. Jane asked her younger brother, where he had been.
6. When we lived in the country, we enjoyed fishing very much.
7. I did not know that Nick loved sleeping in the open air.
8. -Where's Peter? - He's gone to walk the dog.
9. By the time our mother returned, we had already learned all the new words.
10. He said he wouldn't cope with that task.