American's
The possessive form of the singular noun governor is governor's.example: This was once the governor's residence.
The possessive form of the singular noun president is president's.Example: A crowd of reporters met the president's limo.
The possessive form of the plural noun Americans is Americans'.Example: Many Americans' lifestyles are harmful to the environment.
The possessive form of the singular noun president is president's.Examples:A president's residence can vary in grandeur from country to country.The US President's residence is the White House in Washington, DC.
Governor
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 aircraft's.
The singular possessive form is frontiersman's.
The singular possessive form is contralto's.
The singular possessive form is herd's.