Possessive nouns in English

Possessive nouns. In English possessive form of nouns is created by adding to the noun
apostrophe (') and letter -s.

General rules

	Possessives
typical possessive form	John's car
	the girl's father
	James's sister
	a dog's life
plural nouns get apostrophe after the final letter	the boys' father
	our neighbours' dog
	the Browns' house
	the Joneses' car
plural nouns get apostrophe and -s	the children's toys
	women's rights
	men's clothing
	gentlemen's agreement
nouns referring to things	a pound of sugar
	the door of the room
	the conquest of space
	a proof of honesty
nouns in case of personification of the names of countries, town, rivers, some nature phenomena	Poland's economy
	England's sons
	Warsaw's pride
	the sun's rays
in expressions referring to time and measure concepts	a day's journey
	a four-weeks' holiday
	a three-miles' walk
	a yard's distance