The possessive form of the singular noun poem is poem's.
The singular possessive is author's. The plural possessive is authors'.
The possessive form for the noun opera is opera's.Example: The opera's reiviews were all raves.
The possessive form is Ron's dance.
The possessive form of "the best performance by Sting" is "Sting's best performance".
The plural possessive form is actors' association (the association of actors)
The singular possessive form is week's.
The singular possessive form is classmate's.
The possessive form is Amos's.
The singular possessive form for the noun gypsy is gypsy's.
The singular possessive form for country is county's.
The singular form for the plural noun countries is country; the singular possessive form is country's.
singular possessive: boy'splural possessive: boys'
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 is aircraft's.
The spelling poet's is the singular possessive.The plural possessive is poets'.When the plural ends in 's' you simply add an apostrophe to make it possessive.