The singular is doe.
The plural is does and the plural possessive is does' (e.g. The does' behavior is determined by their ages.)
The possessive form of the singular noun doe is doe's.example: The doe's faun sat quietly in the tall grass.
The singular possessive form of "test" is "test's".
The singular possessive pronouns are mine, yours, his, hers, and its. The singular possessive adjectives are my, your, his, her, and its.
The singular possessive is ant's.The plural possessive is ants'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive of dish is dish's
Taco's is the singular possessive.
The singular possessive form is classmate's.
The singular possessive is biker's; the plural possessive is bikers'.
The singular possessive is fish's.
Buzz's is the singular possessive.
Grave's is the singular possessive.