The possessive form for the plural noun gloves is gloves'.
Example: The glove's leather is very soft.
The possessive form of the noun glove is glove's.
Example: The glove's mate is lost.
gloves... or a pair of gloves
glove's
The possessive form of the singular noun glove is glove's.Example: The glove's mate is missing.
The plural form of glove is gloves.
The possessive form is Amos's.
The singular form is goose; the singular possessive form is goose's.The plural form is geese; the plural possessive form is geese's.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
The singular possessive form is week's.
The singular possessive form is frontiersman's.
The singular possessive form is aircraft's.
The singular possessive form is contralto's.
The singular possessive form is speculum's.
The singular possessive form is herd's.
The singular possessive form is heart's; the plural possessive form is hearts'.