英文的复数怎么写

名词的复数形式，一般在单数形式后面加-s或-es。现将构成方法与读音规则列表如下：规则例词1一般情况在词尾加-smap-maps,sea-seas,girl-girls,day-days2以s,x,ch,sh结尾的名词后加-esclass-classes,box-boxes,watch-watches,dish-dishes3以-f或-fe结尾的词变-f和-fe为v再加-esleaf-leaves,thief-thieves,knife-knives,loaf-loaves,wife-wives加-sbelief-beliefs,chief-chiefs,proof-proofs,roof-roofs,gulf-gulfs4以辅音字母加y结尾的名词，变y为i加-esparty-parties,family-families,story-stories,city-cities5以元音字母加y结尾的名词，或专有名词以y结尾的，加-stoy-toys,boy-boys,day-days,ray-rays,Henry-Henrys6以辅音字母加-o结尾的名词一般加-eshero-heroes,Negro-Negroes,potato-potatoes,tomato-tomatoes不少外来词加-spiano-pianos,photo-photos,auto-autos,kilo-kilos,solo-solos两者皆可zero-zeros/zeroes,volcano-volcanoes/volcanos7以元音字母加-o结尾的名词加-sradio-radios,bamboo-bamboos,zoo-zoos8以-th结尾的名词加-struth-truths,mouth-mouths,month-months,path-paths,2.不规则名词复数：英语里有些名词的复数形式是不规则的，现归纳如下：规则例词1改变名词中的元音字母或其他形式man-men,woman-women,foot-feet,goose-geese,mouse-mice2单复数相同sheep,deer,series,means,works,fish,speciesli,yuan,jin,3只有复数形式ashes,trousers,clothes,thanks,goods,glasses,compasses,contents4一些集体名词总是用作复数people,police,cattle,staff5部分集体名词既可以作单数（整体）也可以作复数（成员）audience,class,family,crowd,couple,group,committee,government,population,crew,team,public,enemy,party6复数形式表示特别含义customs(海关),forces(军队),times(时代),spirits(情绪),drinks(饮料),sands(沙滩),papers(文件报纸),manners(礼貌),looks(外表),brains(头脑智力),greens(青菜),ruins(废墟)7表示“某国人”加-sAmericans,Australian