單數(shù)名詞變復(fù)數(shù)名詞分規(guī)則變化和不規(guī)則變化:
1、一般在名詞詞尾加s。如:dog-dogs,house-houses,gram-grams.
2、以s,sh,ch及x結(jié)尾的名詞加es構(gòu)成其復(fù)數(shù)形式。如:
kiss-kisses,watch-watches,box-boxes,bush-bushes.
3、以o結(jié)尾,注意以下幾點(diǎn):
(1)一般在詞尾加es.如:tomato-tomatoes,potato-potatoes.
。2)如果是外來語(yǔ)或縮寫名詞,則加s.如:piano-pianos,dynamo-dynamos,
photo-photos,kimono-kimonos,biro-biros.
。3)有些以o結(jié)尾的名詞,其o前是元音字母則加-s。如:studio-studios,radio-radios.
。4)以oo結(jié)尾的名詞只加s。如:zoo-zoos.
4、以“輔音字母+y“
結(jié)尾的.名詞,則先把y改成i,再加es。如:baby-babies,university-universities,
fly-flies,impurity-impurities.
5、下列以f或fe結(jié)尾的名詞,須先將f或fe改成v,再加es。這些名詞是:calf,half,
knife,leaf,life,loaf,self,sheaf,等。如:wife-wives,wolf-wolves,calf-calves.(像roof等詞直接加s,如果是初中階段,掌握roofs一個(gè)特別單詞就行了)
6、以下幾個(gè)名詞scarf,wharf,hoof,handkerchief等的復(fù)數(shù)形式,可先將f或fe改成v,再加es;也可直接加s,即scarfs或scarves,wharfs或wharves,hoofs或hooves,
handkerchiefs或handkerchieves.