The possessive form of the plural, compound noun daughters-in-law is daughters-in-law's.
example: Both of my daughters-in-law's birthdays are on the same day.
The possessive form is: mother's advice.
The possessive forms are Milli's and Robert's.
The singular possessive form is bureau's. The plural forms are bureaus or bureaux (both are accepted). The plural possessive forms are bureaus' or bureaux's. (they are pronounced the same, the x is silent)
The singular noun "spouse" forms a normal possessive with apostrophe S : spouse's.The plural noun forms the possessive with only an apostrophe (spouses').
The word "offish" is an adjective. Adjectives do not have possessive forms.
The plural of guppy is guppies. The plural possessive is guppies'.
There are two accepted plural forms of the noun vertex: vertices and vertexes.The plural possessive forms are vertices' and vertexes'.
Two possessive forms of the word you are your and yours.
The noun 'curriculum' has two accepted plural forms, curricula and curriculums.The plural possessive forms are curricula's and curriculums'.
There are two accepted forms of the noun: adviser and advisor.The plural forms are advisers and advisors.The plural possessive forms are advisers' and advisors'.
No. Plural possessive is "their" Possessive pronouns do not use an apostrophe.
There are two accepted plural forms for the noun cargo, they are cargoes and cargos.The plural possessive forms are cargoes' and cargos'.