The singular possessive for "mattress" is "mattress's." So if you want to talk about the mattress's comfort or the mattress's size, go ahead and do it. Just make sure you fluff those pillows while you're at it.
The singular possessive is fish's.
Buzz's is the singular possessive.
The possessive form is Amos's.
The singular possessive form is foot's.
The singular possessive form is box's.
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 possessive form for the noun mattress is mattress's.Example: The mattress's satin brocade cover looked very expensive.
The singular possessive is biker's; the plural possessive is bikers'.
The singular possessive is fish's.
Grave's is the singular possessive.
Buzz's is the singular possessive.