Используется при образовании настоящего и будущего времен группы Indefinite (Present Indefinite ; Past Indefinite; Future Indefinite), а также служит основой для образования других форм глагола.
Пример:
to work - работать
I work - я работаю
I will work - я буду работать
I would work - я работал бы
Вторая формаВ основном используется для образования времени Past Indefinite (Past Simple).
Пример:
I went to the shop yesterday - я ходил в магазин вчера
He did his homework last week - он делал домашнее задание на неделе
Третья формаПричастие времени, которое используется при образовании времен группы Perfect (Present Perfect; Past Perfect ; Future Perfect).
Пример:
I have already done my homework — Я уже сделал домашнее задание
I have just had breakfast with my family - Я только что позавтракал со своей семьей.
Как то так)1. The Urals are а mountain change, a mountain chain that appeared many years ago due to tectonic activity.
2. Mountains were being destroyed, and now the highest mountains are only one thousand metres high.
3. In the 18th century the Urals with their high-quality ores and rich forests (a fuel for plants) played the greatest role in the world industry.
4. The modernisation of the Ural industry began with the Magnitogorsk plant, built near the mountain Magnitnaya, rich in metallic ores.
5. The greatest plants are situated in Magnitogorsk, Nizhniy Tagil, Chelyabinsk and Novotroitsk.
6. At the beginning of the 20th century the Ural metal industry suffered a crisis because of the shortage of coal.
7. About 70 metals and minerals were first discovered in the Ural mountains.
8. Nowadays some of the deposits are exhausted, and the plants work on the ores from the new layers (Kazakhstan, Siberia).
9. Hopefully, the Urals will have new stages of development.