不規(guī)則名詞復數(shù)： man-men， woman-women， policeman-policemen， policewoman-policewomen， mouse-mice child-children foot-feet，、tooth-teeth fish-fish， people-people， Chinese-Chinese， Japanese-Japanese。
不可數(shù)名詞(單復數(shù)形式不變)：bread, rice, water ,juice etc.