The boy’s uniform is blue.
The boys’ uniforms are blue.
The official Christian church calendar is a table containing the holy days, saints' days and festivals of the church.
One thing in possession
The girl and boy’s computer is on the table.
Each has their own possession: The girl’s and boy’s computers are on the table.
Women’s high-heeled shoes are out of fashion.
This is the ladies’ cloakroom, and that is gentlemen’s
Nouns with more than one word
The Minister of Foreign Trade's speech at the peace talks made a deep influence on everybody.
Don’t take my pen, take someone else’s pen.
Mother in law’s hat is torn.
It is not my pen, it’s somebody else’s.
Look at this picture of Picasso’s.
London’s attractions are fascinating.
Louis XVI's execution in January 1793 was followed by Robespierre's Reign of Terror.
I came into the Smiths’ cottage.
The governor-general’s wife was wearing a plain white dress with a string of pearls that cost more than my two years' salary.
NB! Classical names ending in -s usually add only the apostrophe:
Other names and nouns ending in - s can take 's or the apostrophe alone:
Mr Jones's (or Mr Jones' house)
Yeats's (or Yeats') poems
Duchess’ lunch or duchess’s lunch
Carlos’ stylebook or Carlos’s stylebook
for appearance’ sake or for appearance’s sake
for conscience’ sake or for conscience’s sake
for goodness’ sake or for goodness’ sake
Nouns plural in form, singular in meaning ending in -s take the apostrophe alone:
the series’ actors
the Academy of Motion Picture
Arts and Sciences’ history
In time expressions
a week's holiday
in two years' time
ten minutes' break
a ten-minute break
two hours' delay (a two-hour delay are also possible).
We have ten minutes' break/a ten-minute break.
The producer presented his new two-series film.
The show took three hours' time.
This is the most effective of production and it can be adjusted to your business in two months’ time.
NB! No possession for inanimate ‘possessors'
the walls of the town
the roof of the church
the keys of the car
the town walls
the church roof
the car keys
The handle of the door is broken.
The leg of the table was shaky and he decided to go to the secondhand furniture store.
The stone identified as a 21-carat diamond was the first step in opening the diamond fields of that region, which have become the greatest in the world.