The singular possessive form for nation is nation's.
example: Our nation's capital is Washington DC.
The possessive form for the noun nation is nation's.
The singular form for the plural noun countries is country; the singular possessive form is country's.
The singular form of the plural noun oceans is ocean.The singular possessive form is ocean's.Example: You can check the chart to find the ocean's depth here.
The possessive form of the singular noun neighbor is neighbor's.Example: My neighbor's garden is really beautiful.
The singular possessive form for country is county's.The plural form is counties; the plural possessive form is counties'.
The singular possessive form is week's.
The possessive form for the noun nation is nation'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.