1.Образуйте множественное число от выделенных существитель¬ных и произведите другие изменения в предложениях: 1. His sis

Question

Образуйте множественное число от выделенных существитель¬ных и произведите другие изменения в предложениях: 
1.His sister has a very pretty child. 
2.This man is an accountant. 
3.The boy has a white mouse. 
4.That woman is our doctor. 
5.Take the knife and put it into the box. 
6.The book is on the shelf. 
7.His foot is big. 
8.There is a large factory in this city. 
9.This leaf yellow. 
10.There is an interesting story in this magazine. 
2.Замените существительные с предлогом "of существительными в притяжательном падеже: 
-the flat of my mother, the children of my sister Mary, the letter of my friend, the stories of this writer, the younger daughter of my brother; 
-the house of his parents, the rights of the women, the children of my sisters, the car of my grandparents, the room of her brothers. 
3.Вставьте вместо пропусков определенные или неопределенные артикли, где это необходимо: 
1.We have...lot of English books. 
2.His father is...rather old. 
3.My wife is...economist. 
4.My brothers are...doctors. 
5.That was...good plan. 
6.The plans are on...table. 
7.These are...foreign magazines. 
8.That is...his wife. 
9.I have...son and...daughter. 
10.Where is...doctor He is in his study

Людмила Антонова · Accepted Answer

Множественное число:
1. His sisters have very pretty children.
2. These men are the accountants.
3. The boys have white mice.
4. Those women are our doctors.
5. Take the knives and put them into the boxеs.
6. The books are on the shelves.
7. His feet are big.
8. There are large factories in these cities.
9. These leaves are! yellow. 10. There are interesting stories in these magazines.
В вашем вопросе не выделены необходимые существительные, поэтому мной изменены все.
Притяжательный падеж:
1. my mother's flat ;my sister's Mary children;my friend's letter; writer's stories;my brother's younger daughter.
2. his parent' house ; women’s rights; my sisters' children; my grandparents' car; her brothers' room.
Oпределенные и неопределенные артикли:
1. We have a lot of English books.
2. His father is rather old.
3. My wife is an economist.
4. My brothers are the doctors.
5. That was a good plan.
6. The plans are on the table.
7. These are foreign magazines.
8. That is his wife.
9. I have a son and a daughter. 10. Where is the doctor? He is in his study.
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Подробно читайте здесь:
http://www.native-english.ru/grammar/english-nouns-plural

http://engblog.ru/possessive-case

http://www.homeenglish.ru/Grammararticle.htm