Образуйте притяжательный падеж. 1) the room of my sister; 2) the opinion of her friends; 3) the order of the commander-in-chief; 4) the advice of passer-by; 5) the poems of lermontov; 6) the walls of the room; 7) the bag of the boy peter; 8) the daughter of my younger sister; 9) the flag of the country; 10) the waves of the sea; 11) the pens of the girls; 12) the rights of the women; 13) the wisher of the people; 14) the birthday of my mother-in-law; 15) the members of the party; 16) the sisters of her relatives; 17) the letter of this postman; 18) the pencils of these pupils; 19) the pages of those books; 20) the floor of this house; 21) the opinion of my mother-in-law; 22) the decision of her principle; 23) the advice of this old man; 24) the doughter of my younger sister; 25) the library of the institute; 26) the story of this writer; 27) the latters of my friends; 28) the house of my parents; 29)the meeting of these students

1) my sister's room

2) her friends' opinion

3) the commander-in-chief's order

4) passer's-by advice

5) lermontov's poems;

6) the room's walls

7) the boy peter's bag;

8) my younger sister's daughter

9) the country's flag

10) the sea's waves

11) the girls' pens

12)the women's rights

13) the people's wisher

14) my mother's-in-law birthday

15) the party's members

16) her relatives' sisters

17) this postman's letter

these pupils' pencils

19)those books' pages

20) this house's floor

21) my mother's opinion-in-law;

this old man's advice

my younger sister's daughter

25) the institute's library

26) this writer's story

27) my friends' letters

28) my parents' house

29) these students' meeting

1. granny is (a) indefinite tense) in the kitchen. she is making   (b) continuous tense) a plum-cake.

2. my wife often makes (a) indefinite tense) plum-cakes.

3. i have not seen   (c) perfect tense) tom for ages.

4. two years ago derry bought (a) indefinite tense) a car.

5. the police caught (a) indefinite tense) dan when he was robbing   (b) continuous tense) a shop.