Basic English Grammar

Genitive (genitiv)

You use the genitive to show ownership.
(It is my sister's car.)

There are two ways to write the genitive form, when talking about people and animals:

Use 's (if there is one owner)
"the man's wallet"

or
Use only ' (if there are many owners)
"the puppies' basket"

 

John's children - Johns barn
The boy's toy - Pojkens leksak
The girls' shoes - Flickornas skor