The possessive form of the noun skier is skier's.
Example: The wind is really strong. The skier's hat flew off his head.
The plural possessive is skiers'.If the plural form ends in an 's' then you simply add an apostrophe to make it a plural possessive. If the plural does not end in an 's' then you should add an apostrophe then an 's' to make it possessive.
The singular possessive form is word's, for example the word's definition.
possessive form of the word glass: glass'
possessive form of the word Congress: Congress'
possessive form for the word holders: holders'
possessive form of the word Cathi: Cathi's
The possessive form of the word fairy is fairy's.
The possessive form of the word dictionary is dictionary's.
the possessive form of the word Cathie: Cathie's
The possessive form is Lindbergh's.
The possessive form is weaver's.
The possessive form for the interrogative pronoun who is whose.