Прочитайте и перепишите ниже предложения. подчеркните в каждом из них глагол в passive voice, проанализируйте данные глаголы и письменно переведите эти предложения на язык. образец выполнения: предложение - the following examples were made use of. перевод - были использованы следующие примеры. were made - past indefinite passive от нестандартного глагола to make. 1. english is the main foreign language which is taught within most school systems. 2. my father has been persuaded that roast meat is not healthy. 3. do you know many paintings have been destroyed by vandals? 4. suddenly he thought that something was expected of him. 5. the famous actress is being interviewed now for the “hello” magazine.

1.is taught- Present Indefinite Passive от глагола to teach .(irregular verb )
2.has been persuaded- Present Perfect Passive от глагола to persuade (regular verb )
3.have been destroyed- Present Perfect Passive от глагола to destroy (regular verb)
4.was expected- Past Indefinite Passive от глагола to expect (regular verb )
5.is being interviewed -Present Continues Passive от глагола to interview (regular verb )

Не спец в английском. Но по-моему, должно быть так
1)
1. My son  can swim
2. We  must meet at 7 o'clock.
3. You must not miss your classes.
4. He has done his homework Now he may go for a walk.
5. You must help your little sister. 

2) используйте Present Simple или Present Progressive. 
1. Tom is in his room. He is playing the piano. (to play)
2. As a rule I go to school by bus. (to go)
3 His sister studies at school. (to study )
4. They are playing football now. (to play)
5. Run downstairs. Your sister is waiting for you (to wait) 

3) употребите past simple в след. предложениях
1. We translated this text last lesson. (to translate)
2. My father went to Moscow yesterday (to go)
3. My friend wrote to me very often last year. (to write)
4. When did you last  go to the theatre? (to go)
5. I didn't see him for three years. (not see)

4) раскройте скобки, употребляя глагол в Past Simple или Past Progressive
1. We were having dinner when you phoned me.
2. Where did  you spend last weekend?
3. My mother was cooking dinner when the lights went out.
4. Last year I went to London.
5. l didn't do my homework yesterday. 

5)раскройте скобки, употребляя глаголы в present,past или future simple Passive. 
1. Books by A. Christie always are read with interest.
2. They often are invited to parties.
3. We were shown a new film last week
4. Tickets will be brought tomorrow.
5. We were given soup for dinner yesterday.

4
1. Is concrete a natural or artificial stone?
2. What kind of properties it has?
3. In what way can concrete be used in moulds?
4. Does it resist fire?
5. Is concrete used in skeleton structures?
6. How many functions have aggregates?
5.
1. In other words aggregates CAN be defined as a mass of practically inert mineral materials, which ...
2. All aggregates both natural and artificial which have sufficient strength and resistance to watering and which do not contain harmful impurities MAY be used for making concrete.
3. As aggregates such materials as sand, pebbles, broken stone, broken brick, gravel,slag, sinder, pumice and others CAN be used.
4. It sets under water, CAN be poured into moulds so as to get any desirable form.
6.
1. can
2. may
3. must
4. can
5. has to help
7.
sets,can be poured, has, resists.- Present Simple.