Take the word, put it in front of what is possessed, and decide if the word needs 's or s'.
Chris' books fell on the floor.
Richard's friend snickered.
Chris laughed when the bully's books crashed to the floor.
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 Cathi: Cathi's
The possessive form is weaver's.
The possessive form is Lindbergh's.
The possessive form of the word dictionary is dictionary's.
The singular possessive form is word's, for example the word's definition.
The possessive form of the word "month" is "month's."
possessive form of the word glass: glass'
possessive form for the word holders: holders'
the possessive form of the word Cathie: Cathie's
possessive form of the word Cathi: Cathi's
possessive form of the word Congress: Congress'
The possessive form is weaver's.
The possessive form is Lindbergh's.
The possessive form for the interrogative pronoun who is whose.
The singular possessive form of jury is jury's