There are two accepted forms for possessive singular nouns that end with an s:
Add an apostrophe (') after the existing s at the end of the word:
Add an apostrophe s ('s) after the existing s at the end of the word:
Example:
I can calculate the radius' measurement.
I can calculate the radius's measurement.
The possessive form for the singular noun roof is roof's.The plural form for the noun roof is rooves.The plural possessive form is rooves'.
The noun radii is already a plural. The singular is radius.
The plural possessive is diamonds'.
The Correct possessive form of "gables" is: A= gables'
In geometry, a radius is a line segment that connects the center of a circle to any point on its circumference. The plural form of radius is radii, which refers to more than one radius within the same circle or sphere. So, the main difference between radii and radius is that radii is the plural form of radius, indicating multiple line segments from the center to the circumference of a circle.
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.
The singular possessive is Martin's.