The possessive form of the singular noun citizen is citizen's.
example: One citizen's rights should not infringe another citizen's rights.
The singular noun is citizen. The singular possessive form is citizen's.The plural noun is citizens. The plural possessive form is citizens'.Examples:You can't restrict a citizen's right to those records. (singular)All of the citizens' petitions will be reviewed by the board. (plural)
The singular possessive form is week's.
The possessive form for the plural noun citizen is citizens'.
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 aircraft's.
The singular possessive form is frontiersman's.
The singular possessive form is contralto's.