名词名词可以分为可数名词与不可数名词,其中可数名词具有单、复数的形式;而不可数名词没有复数形式。可数名词:规则变化: 1一般情况下,直接加-s,如:book-books,bag-bags,cat-cats,bed-beds2以s. x. sh. ch结尾,加-es,如:bus-buses,box-boxes,watch-watches,brush-brushes,glass-glasses,dress-dresses3以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families(家庭),butterfly-butterflies(蝴蝶),lady-ladies,strawberry-strawberries(草莓)注意:“元音字母+y”结尾的,直接加-s,如:day-days,boy-boys4以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives,leaf-leaves(落叶),wolf-wolves(狼),shelf-shelves(架子),half-halves(一半),thief-t