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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,第三级,第四级,第五级,*,可数名词,可数名词,单数,指一个人或一件事物时，用单数形式。,复数,指两个或多个人或事物时，用复数形式,。,1.,怎么从单数变成复数呢？,2.,你知道那些变化规则呢？,(1),一般的名词词尾直接加,s,。,如：,book- book,s,room- room,s,house-house,s,day - day,s,(2),以,s, x,ch,sh,结尾的,名词，在词尾加,es,。,ch-s-sh-x,“,吃死是错,”,如：,bus bus,es,glass glass,es,box box,es,dish dish,es,watch - watch,es,(3),以,o,结尾的名词，有生命的加,es,，没生命的加,s,。,如：,photo piano,tomato- potato-,zoo hero,英雄,-,mango- negro,黑人,-,photo,s,piano,s,tomato,es,potato,es,zoo,s,hero,es,mango,es,negro,es,(4),以“辅音字母,+ y”,结尾的名词，要先将,y,变为,i,，再加,es,。,除,Aa,Ee,Ii,Oo,Uu,之外,如,:,ci,t,ycit,i,es,bo,d,ybod,i,es,facto,r,yfactori,es,fami,l,yfamil,i,es,sto,r,ystor,i,es,count,r,ycountr,i,es,cher,r,ycherr,i,es,hob,b,y-hobb,i,es,toy ,t,o,y,s,(5),以,f,或,fe,结尾的名词，要将,f,或,fe,变成,v,，再加,es,。,狼,的,妻子,，爬上,架子,，拿着,刀子,，砍下,叶子,，砸到了,小偷,，剩下,半,条,命,。,如：,wolfwol,v,es,wi,fe,wi,v,es,shel,f,shel,v,es,kni,fe,kni,v,es,lea,f,lea,v,es,thie,f,thie,v,es,hal,f,hal,v,es,li,fe,-li,v,es,(6),特例。变化没有规律，常常考,要记准！,单复数一样,：,sheep,sheep,deer,deer,fish,fish,Chinese,Chinese,如：,m,a,nm,e,n wom,a,nwom,e,n,f,oo,tf,ee,t t,oo,tht,ee,th,childchild,ren,mousem,ice,ox(,公牛,)ox,en,(7),国人的复数变化。,英法联军,a,变,e,，,Englishm,a,n-Englishm,e,n,Frenchm,a,nFrenchm,e,n,其中德国最重点,。,German-German,s,中日友好永不变, Chinese-Chinese,Japanese,Japanese,其他,s,放后面,，,AmericanAmerican,s,你，敢挑战吗？,请将出现的单词，变成复数形式！,photo,photo,s,family,famil,i,es,boy,boy,s,peach,peach,es,sheep,sheep,wife,wi,v,es,man,m,e,n,wolf,wol,v,es,tomato,tomato,es,people,people,人们,milk,milk,你，愿意超越吗,?,请完成句子！,There are four _ (potato) on the table.,potatoes,My sister has three,_(knife).,knives,Do you have any _(hobby)?,hobbies,There is some _ (water) in the bottle.,water,They are _,(policeman).,policemen,A lot of _ (fish),are swimming in the water.,fish,
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