一、可数名词可数名词都有单数和复数两种形式,复数形式通常是在单数形式后加-s或-es构成、加的主要方式有：例 词一般在词尾直接加-sbook-books girl-girls以e结尾的词,直接加-scake-cakes house-houses以s,x,ch,sh结尾的词,在词尾加-esclass-classes box-boxesmatch-matches brush-brushes以“辅音字母+y”结尾的词,变y为i,再加-escity-cities country-countries
名词复数的不规则变化：⑴以f或fe结尾的词,多数变f或fe为v,再加-es：wife-wives life-lives knife-knives half-halves⑵有少数名词的复数形式与单数形式差别较大：man-men woman-women child-children foot-feet⑶有个别名词的单复数形式是一样的：sheep,deer,Chinese,Japanese等二、不可数名词1、一般来说,物质名词和抽象名词是不可数的,因此没有复数形式、如：news,milk,water,information,furniture等2、不可数名词前可以用some或any修饰some milk,some news3、如果要表示量的概念,就需要加定语：a piece of bread three pieces of breada glass of water two glasses of watera bottle of milk five bottles of milk