The plural form of the proper noun Alex is Alexes.
The plural possessive form is Alexes'.
example: The Alexes' last names are Washington and Jefferson.
The possessive form for the noun Alex is Alex's.
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.
The possessive form of the singular noun roommate is roommate's.Example: My roommate's name is Alex.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
The singular possessive form of "test" is "test's".
The singular possessive pronouns are "my," "mine," "your," "yours," "his," "her," and "its."
The possessive form for the noun Alex is Alex's.
The singular possessive of "ant" is "ant's" and 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
The singular possessive form of "classmate" is "classmate's."
Grave's is the singular possessive.
The singular possessive is Martin's.
The singular possessive is fish's.