英语语法-名词单数变复数.ppt

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,*,名词,名词,可数名词,不可数名词,可数名词：,可数名词是指能以数目来计算，可以分成个体的人,或东西；因此它有复数形式 如,mapmaps,，,boyboys,，,horsehorses,不可数名词：,不可数名词是指不能以数目来计算，不可以分成个,体的概念、状态、品质、感情或表示物质材料的东,西；它一般没有复数形式，只有单数形式，它的前,面不能用不定冠词,a/an,。抽象名词,物质名词和专,有名词一般是不可数名词 如,water,，,milk,名词,单数,变,复数,Whats this in English?,Its an,apple,.,What are these?,They are two,apples,.,-,What are these?,-Whats this?,-Its a pen.,-,They are,pen,s,.,bus,bus,es,fox,es,fox,(,狐狸,),dish,(,盘子,),dish,es,3.,以“辅音字母,+y”,结尾的名词，应改,y,为,i,，再加,-es,。,family,famil,ies,comed,ies,comedy,(,喜剧,),y,y,l,d,3.,4.,以“元音字母,+y”,结尾的名词，直接在词尾加,-s,构成复数形式,。,boy,boy,s,day,day,s,o,a,y,y,4.,key,cit,ies,strawberr,ies,key,s,city,(,城市,),strawberry,(,草莓,),5.,以,f,或,fe,结尾的名词，先将,f,或,fe,变成,v,，再加,-es,构成复数形式。,knife,kni,ves,half,hal,ves,“,小偷”,(thief),的“妻子”,(wife),用“刀子”,(knife),和,“树叶”,(leaf),把“狼”,(wolf),劈成两“半”,(half),。,5.,wi,ves,lea,ves,wol,ves,wife,(,妻子,),leaf,(,树叶,),wolf,(,狼,),roof,(,屋顶,),roof,s,roof,“,小偷”,(thief),的“妻子”,(wife),用“刀子”,(knife),和“树叶”,(leaf),把“狼”,(wolf),劈成两“半”,(half),。,巧记：,6.,以,o,结尾的名词，有的加,-s,有的加,-es,构成复数形式。,phot,o,photo,s,hero,es,tomato,es,zoo,s,zo,o,(,动物园,),tomat,o,(,西红柿,),her,o,(,英雄,),6.,以,o,结尾的名词,表示无生命事物的名词，词尾加,-s,表示有生命事物的名词，词尾加,-es,。,加,-es,的名词有,:,potato,tomato,hero,巧记,:,英雄爱吃,土豆番茄,名词单数变复数后,s/es,的读音,1.在清辅音后读/,s/,2.在元音和浊辅音后读/,z/,3.在/,s/z/,/t /d /,后,读/,iz/,4.,在/,t/,后读/,ts/，,在/,d/,后读/,dz/,desk,s,map,s,brother,s,pen,s,class,es,watch,es,orange,s,cat,s,friend,s,不规则变化,A,元音发生变化。,如：,man-men,，,woman-women,，,foot-feet,，,tooth-teeth,，,mouse-mice,B,词尾发生变化。,如：,child-children,C,单、复数同形。,如：,fish-fish,，,Japanese-Japanese,，,Chinese-Chinese,，,sheep-sheep,pen desk key box knife card orange boy friend parent mother father sister brother son daughter cousin family child man pencil case sheep,s,s,s,s,es,kni,ves,s,s,s,s,s,s,s,s,s,s,s,famil,ies,child,ren,m,e,n,s,sheep,句子单数变复数,This is a book.,That is an eraser.,It is a red apple.,I am a boy.,He/She is a teacher.,Whats this?,These are books.,Those are erasers.,They are red apples.,We are boys.,They are teachers.,Whatre these?,this,that ,I ,you,he/she/it ,am/is ,these,those,we,you,they,are,单数 复数,