There are two accepted forms for possessive singular nouns ending in s:
Add an apostrophe (') after the existing s at the end of the word: Mrs. Jones'
Add an apostrophe s ('s) after the existing s at the end of the word: Mrs. Jones's
Examples:
Mrs. Jones' office is on your right.
Mrs. Jones's office is on your right.
The singular possessive form is Karen Jones's; for example: This is Karen Jones's sister.
Jones's
Jones's
The name Mrs. Flowers is singular (one person).The name Mrs. Flowers is a proper noun (the name of a person).The name Mrs. Flowers is not possessive.
They are:princess'sKerry'ssoldier'sMr. Banken'sKaren Jones's
The correct way to type that would be Mrs Graves' classroom.
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
There are two accepted forms for possessive singular nouns ending in s: Add an apostrophe (') after the existing s at the end of the word: Mrs. Lastrapes' Add an apostrophe s ('s) after the existing s at the end of the word: Mrs. Lastrapes's Examples: Mrs. Lastrapes' garden looks beautiful. Mrs. Lastrapes's garden looks beautiful.
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
First, the word sisters' in the possessive form of the plural noun sisters. There are two sets of twins in the second grade; the Ryan sisters' teacher is Mrs. Jones, and the Davidson sisters' teacher is Mr. Rowen. But keep in mind that if you are using the singular possessive, that word is sister's, and the singular noun is sister. My sister's teacher is Ms. Rosa.