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: bass'
Add an apostrophe s ('s) after the existing s at the end of the word: bass's
Examples:
The conductor was impressed with the bass' voice.
The conductor was impressed with the bass's voice.
OR:
The bass' size was a record for the fishing contest.
The bass's size was a record for the fishing contest.
The singular possessive form is contralto's.
The singular possessive noun form is trumpet's.
The possessive form of the singular noun soprano is soprano's.Example: The soprano's voice is perfect for this role.
Yes, singer's is the possessive form for the singular noun singer.Example: The singer's performance received high praise.
The genitive singular of all English nouns is formed by adding -'s: piano's
The singular possessive form is week's.
The singular possessive form of "classmate" is "classmate's."
The possessive form is Amos's.
The singular possessive form of "gypsy" is "gypsy's."
The singular possessive form of "countries" is "country's".
The singular possessive form of county is county's.
singular possessive: boy'splural possessive: boys'
The singular possessive form is aircraft's.
The singular possessive form is speculum's.
The singular possessive form is contralto's.
The singular possessive form is frontiersman's.
The singular possessive form of the word "jury" is "jury's."