教育专题：名词单复数变化规则

,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,名词单复数变化规则,主讲人：彭琪,可数名词都有单数和复数之分,A:规则的可数名词的复数变化规则：,1.,一般情况加s,：book-books mouth-mouths house-houses girl-girls,2.,以s、sh、ch、x 结尾的加es,：class-classes box-boxes match-matches,3.,辅音字母+y结尾的变y为i加es,：city-cities country-countries party-parties factory-factories,4.以,o结尾的词+es,的只有以下词：heroes，,Negroes，tomatoes，potatoes，zeroes/zeros,以,o 结尾并且词尾有两个元音字母+s,radios,zoos,bamboos,pianos,kilos，photos),5.,以f，fe 结尾的，变f或fe为v+es,：,thief wife life knife wolf half leaf,The thief,s wife killed three wolves with some leaves and knives in half of her life.,B,:不规则的可数名词的变化规则：,1.m,a,n,m,e,n,wom,a,n,wom,e,n,t,oo,th,t,ee,th,f,oo,t,f,ee,t,g,oo,se,g,ee,se child,child,ren,m,ouse,m,ice,(L,老鼠）,2.单复数相同:sheep,deer,Chinese,Japanese Swiss.,3.以man,woman 修饰名词构成合成词时,两个词都变化,.,man servant,men servants.,C,:名词词尾的读音规则：,1.,在 p t k f等清辅音后读s cups，hats，cakes，roofs,2,.在s z t等音后读iz glasses,faces,roses.,3,.在其他情况下读作z beds,days,cities,knives.,