The singular possess form is the director's reports.
example: The director's reports are published quarterly.
If it would mean a possession of the directors, an apostrophe is needed. Example: Director's office (singular) Directors' office (plural)
To form the possessive, place the apostrophe after the ending s of the plural noun directors: directors'Example: The board of directors' meeting is at two.
The possessive form of the singular noun scientist's.The plural form of the noun is scientists.The plural possessive form scientists'.Examples:One scientist's observation found that there was no effect. (singular)Several scientists' reports showed a detrimental effect. (plural)
Quantum is singular, not singular possessive. The singular possessive form is quantum's.
The word zoo's is the singular possessive (refers to one zoo).The plural is zoos and the plural possessive is zoos' (e.g. The zoos' directors agreed to merge them into a single state corporation.)
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 pronouns are "my," "mine," "your," "yours," "his," "her," and "its."
The singular possessive of dish is dish's
The singular possessive is Martin's.
The singular possessive is fish's.
Grave's is the singular possessive.