Spelling of genitive form

Cards (1)

    • /'s/ is added
    => All singular nouns (few exceptions)
    -> E.g. Father's, Marx's, Charles's
    => Irregular plurals not ending in /s/
    -> E.g. Children's, women's, Englishmen's, ...
    • /'/ is added
    => Regular plural nouns
    -> E.g. Horses', brothers', ...
    => Certain nouns in fixed expressions
    -> E.g. For goodness' sake, ...