Поставьте следующие предложения во множе­ственное число. 1. this phone in the office is out of order. 2. that blouse is made of silk. 3. this is an excellent paint­ing. 4. his book is very popular and it really in­terests me. 5. it’s a difficult word to write. 6. my son is a journalist and he has been very successful. 7. this purse isn’t made of leather. 8. that is my neighbour’s car. 9. has he got a camera? 10. it’s anew cassette recorder. 11. this room is very large. 12. there is a match in the box. 13. there is a knife over there. 14. there is a man and a woman in the street. 15. this lady is that gentleman’s wife. 16. this shoe is too large for my foot. 17. the child is sitting on a bench. 18. my tooth is white. 19. this key is made of steel. 20. a potato is a vegetable and a cherry is a fruit. 21. this is my friend’s study. 22. my chief is very competent.

Ниже представлены предложения, переведенные во множественное число. При преобразовании изменены указательные местоимения (this -> these, that -> those), формы глагола to be (is -> are), существительные и соответствующие личные местоимения.

1. These phones in the office are out of order.
2. Those blouses are made of silk.
3. These are excellent paintings.
4. His books are very popular and they really interest me.
5. They are difficult words to write.
6. My sons are journalists and they have been very successful.
7. These purses aren’t made of leather.
8. Those are my neighbours’ cars.
9. Have they got cameras?
10. They are new cassette recorders.
11. These rooms are very large.
12. There are matches in the boxes.
13. There are knives over there.
14. There are men and women in the streets.
15. These ladies are those gentlemen’s wives.
16. These shoes are too large for my feet.
17. The children are sitting on benches.
18. My teeth are white.
19. These keys are made of steel.
20. Potatoes are vegetables and cherries are fruits.
21. These are my friends’ studies.
22. My chiefs are very competent.

Укажите, требуется ли дополнительное пояснение правил образования множественного числа для исключений (например, для слов tooth, man, wife).