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.
possessive form of the word glass: glass'
The possessive form of the word "month" is "month's."
possessive form of the word Congress: Congress'
possessive form for the word holders: holders'
the possessive form of the word Cathie: Cathie's
possessive form of the word Cathi: Cathi's
The possessive form is weaver's.
The possessive form is Lindbergh's.