The possessive singular of all English nouns, regardless of spelling, is formed by adding 's: heiress's (pronounced as if it were a plural).
heiress's
The singular possessive is fish's.
Buzz's is the singular possessive.
The possessive form is Amos's.
The singular possessive form is box's.
heiress's
The plural form of the noun heiress is heiresses.The plural possessive form is heiresses'.example: The heiresses' father gave close scrutiny to their suitors.
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 form is classmate's.
The singular possessive of dish is dish's
Taco's is the singular possessive.
The singular possessive is biker's; the plural possessive is bikers'.
The singular possessive is fish's.
Grave's is the singular possessive.