講義
可數(shù)名詞
不規(guī)則變化
man/men, woman/women, child/children
foot/feet, tooth/teeth, mouse/mice
單復(fù)數(shù)同形
deer, sheep, series, Chinese, Japanese
并合名詞
bookstores, chairmen, sisters-in-law, passers-by, lookers-on
復(fù)數(shù)名詞
people, police, family