The plural possessive form is gums'.
The possessive form of the plural noun gums is gums'.example: Your gums' condition looks excellent.
The possessive form for the plural nouns surfaces of the gums is: the gum's surfaces.
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.