The possessive form of class is class'. You can also add an apostrophe plus an "s" to make the word class possessive.
Classes can be the answer
his
everyone's
The possessive form of the noun "Kansas" is "Kansas's" or "Kansas'."
Plural possesive.
The possessive form of "mice" is "mice's."
The possesive form is Santa'spresents.
The singular possessive form of city is city's
The plural possessive form of men is men's.
The possessive form is the candy's wrapper.
Singular: hypothesis Plural: hypotheses
The correct form is “leave of absence's plural possessive” or “leave of absences' plural possessive”.