講義
可數與不可數名詞Countable and Uncountable Nouns
可數名詞
規則變化
字尾加 -s : mistakes, cats, tips, months, dogs, Americans, bananas,
字尾加 -es : churches, dishes, boxes, kisses, potatoes, tomatoes, heroes
字尾y前為子音,去y改為 -ies : copies, hobbies, countries
字尾為f/fe,去f/fe改為 -ves : wolves, leaves, knives, wives