Author's is the singular possessive of author.
The singular possessive is author's. The plural possessive is authors'.
The singular possessive is fish's.
Buzz's is the singular possessive.
The possessive form is Amos's.
Mary's is the singular possessive form.
Author's is the singular possessive of author.
The singular possessive is author's. The plural possessive is authors'.
The singular possessive is author's. The plural possessive is authors'.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
The plural possessive noun of "author" is "authors'".
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
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 of dish is dish's
The singular possessive is Martin's.
The singular possessive is fish's.
Grave's is the singular possessive.
The singular possessive is test's.