Ex. 3. Rewrite each sentence, putting the verb in bold in the Passive Voice:
1. Men (tied) together tops of several trees and covered them with the skins of animals.
2. People (made) the first houses from wood, leaves and grass.
3. Limestone( slabs) covered the floor of earthen houses.
4. The ancient Egyptians (built) very simple houses by present standards.
5. Le Corbusier (has played) an important part in the history
of building.
6. Skyscrapers and great diversity of styles (characterize) architecture of the XX century.
7. Slaves( transported) large blocks of stone over long distances.
8. Men( looked for) protection under the branches of trees.
9. The Romans (sent) a lot of goods-skins, copper and iron ore, silver and gold to Rome.
10. Bit by bit Londoners (were reconstructing) London until it has become the most attractive places of the world.

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

В 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

Причастие 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.

I rarely meet with them.

We will have 5 lessons tomorrow.

We haven't seen him for ages.

It was raining yesterday.

What text are you reading now?

My computer crashed.

What were you doing yesterday at five o'clock?

On the way home, he saw a school friend he had not met for a long time (on the way home).

It rained all day yesterday.

The rain stopped and we went to the river.

By eight o'clock Pavel had finished his work.

They love to travel.

I'll write him a letter tonight.

How many months have passed since your birthday?

Then he worked at the school.

What are you doing here?