一般情况加-s1.清辅音后读/s/map-mapsbook-books2.浊辅音和元音后读/z/bag-bagscar-cars名词复数的规则变化(1)以s,sh,ch,x等结尾的词加-es读/iz/bus-busesmatch-matches以ce,se,ze,(d)ge等结尾的词加-s读/iz/exercise-exercisesbridge-bridges名词复数的规则变化(2)以y结尾的专有名词,或元音字母+y结尾的名词变复数时,直接加-s变复数:twoMarystheHenrysmonkey---monkeysholiday---holidays以辅音字母+y结尾变y为i再加es读/z/baby---babies名词复数的规则变化(3)以f或fe结尾变f,fe为ves:如:half---halvesknife---knivesleaf---leaveswolf---wolveslife---livesthief---thieves特殊:roof---roofs均可:handkerchief--handkerchiefs/handkerchieves名词复数的规则变化(4)sometomatoessomepotatoessomeheroes初中阶段以o结尾的名词复数主要是加-s,只有这几个加-es:Heroeslovetomatoesandpotatoes.名词复数的规则变化(5)foot--feetchild-childrentooth--teethmouse--mice名词复数的不规则变化(1)名词复数的不规则变化(2)man--menwoman--womenmendoctorswomenteachersaGermansomeGermansAmerican--AmericansAustralian--AustraliansCanadian--CanadianssomepolicemenapolicemanEnglishman–EnglishmenFrenchman--Frenchmen一些需要强调的表示人的名词复数onesheeptwosheepaChinesetwoChineseaJapaneseseveralJapanese名词复数的不规则变化(3):单复数形式相同onefish一条鱼fishes不同种类的鱼/各种各样的鱼threefish三条鱼somefish一些鱼肉可数名词不可数名词名词复数的不规则变化(4):好玩的“fish”