The possessive form is Amos's.
The singular possessive form is herd's.
The singular possessive form is heart's; the plural possessive form is hearts'.
The singular possessive form is lesson's.
The singular possessive form is grotto's.
The possessive form of the proper noun Hernandez is Hernandez'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.