Complete the sentences. Use Present Perfect
1. There never / be
such a sensational discovery in history.
2. you / ever / experience
anything of this kind?
3. It's the first time l/ taste
this seafood.
4. Never in my life I/meet
with a giant shark.
5. l/ see
anything in the photos like polar light in the sky.
6. Nothing of the kind ever / happen in the life of our company.​

The atmosphere and oceans are not the only parts of the environment that human activity (is damaging) day after day. Rainforests (are disappearing) as well, and their survival (is) questionable today. At the end of the 20th century E.O.Wilson, a biologist at Harvard, (called) the reducing of rainforest areas “the greatest extinction since the end of the age of dinosaurs”. Unlike some environment issues, the reduction of rainforests (has already received) significant public and media attention. Despite the movements against chopping down rain forests, the problem (still continues). Every year Brazil (chops) down an area of forest equal to the size of the state Nebraska. Rainforests that (were) great some years ago, (are lost) now. In addition to the Amazon’s rainforests, many other forests (are cut) down every year as well. According to some estimates, 50 million acreas of forests (are cut) down every year. The World Wildlife Fund (says) that every minute 25 to 50 acreas (are cut) or (burnt) to the ground. Will any trees (be left) on our planet at the end of this century? 

Задание 1. Определите признаки, указывающие на глагольную группу

Continuous:

1. Не was writing academic papers during the summer.

2. The population in Europe is considerably decreasing.

3. Tomorrow our firm will be closed. We will be buying equipment from two

till six.

4. While I was tidying the attic, I found my old clothes.

5. Where is the secretary? She is sending a letter.

6. Wе are studying lesson eight.

Задание 1. Образуйте Participle II от стандартных глаголов: to produce,

to use - used,

to increase - increased,

to fulfill - fulfilled,

to plant - planted,

to cover - covered.

Задание 2. Образуйте Participle II от нестандартных глаголов,

пользуясь таблицей:

to put - put,

to set - set,

to keep - kept,

to grow - grown,

to sow - sowed,

to do - done,

to make - made.

Употребите глаголы, данные в скобках в Рast Simple, Present

Perfect, Past Perfect. Предложения переведите.

1. They have just finished the work.  - Они только что закончили работу.

2. My friend graduated from the Institute last year.  - Мой друг закончил институт в году.

3. Sciеnce and technology produceв real revolution in medicine.  - Наука и технология совершили настоящий переворот в медицине.

4. He had worked at the University for thirty years before he retired.  - Он проработал в университете 30 лет до того, как уволился.

5. Today by 9 o'clock we have finished the work. - Сегодня к 9 мы закончили работу.

6. Did you pass entrance exams this year? - Yes, I did . - Ты сдавал вступительные экзамены в этом году? - Да.

Объяснение: