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,.,This,is my friend,.,These,are,my,friend,s.,Whos,he?,Hes my friend.,Whore,they?,Theyre my friends.,名词,：人或事物的名称。,名 词,总的来说,事物的性质,专有名词,普通名词,个别的人或事物、地点、国家等。例如：,Gina,、,China,。首字母要大写。,不可数名词 例：,milk,、,bread,、,water,。没有复数形式,可数名词,例：,an apple,、,two apples,有复数形式,既可数又不可数,例：,chicken,可数时表示小鸡，不可数时表示鸡肉,单数,复数,可数名词,如,何,变,化？,规则变化,不规则变化,规则变化,1.,一般情况下，直接在词尾加,-s,构成复数形式,。,car,backpack,car,s,backpack,s,book,book,s,1.,name,pen,card,ruler,name,s,pen,s,card,s,ruler,s,练习,box,2.,以,s,x,ch,sh,等结尾的名词，在词尾加,-,es,构成复数形式。,box,es,class,class,es,watch,watch,es,brush,brush,es,s,x,sh,ch,2.,bus,bus,es,fox,es,fox,(,狐狸,),dish,(,盘子,),dish,es,练习,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,),练习,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,练习,“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,土豆炖西红柿,。,Sum up:,1.,一般情况下,直接在名词词尾加,-s,.,2,.,以,s,x,sh,ch,结尾的名词,在词尾加,-,es,.,3.,以辅音字母加,y,结尾的名词，要变,y,为,i,再加,-,es,.,5.,以,f,或,fe,结尾的名词，先将,f,或,fe,变为,v,再加,-,es,.,6.,以,o,结尾的名词,表示无生命事物的名词加,-s,表示有生命事物的名词加,-,es,。,4.,以“元音字母,+y”,结尾的名词，直接在词尾加,-s.,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,(,二,),不规则变化,:,3.,单复数同形,(,不变,):sheep(,绵羊,)deer(,鹿,)fish(,鱼,),1.m,a,n,wom,a,n,m,e,n,wom,e,n,Chinese(,中国人,)Japanese(,日本人,),4.,oo,ee,：,foot(,脚,)tooth(,牙齿,)goose(,鹅,),2.child,（,孩子）,children,（,男人，妇女）,名词变复数歌诀,名词复数有变化，词尾常把,-s,加；,结尾若是,s,x,ch,sh,加上,-,es,要记下；,若遇,f,fe,更要弄清其变化；,先将它们变成,v,，然后再把,-,es,加；,y,结尾要分清，两种情况必须明；,不规则名词要注意，它的词形需牢记；,中日友好不变化，英法联军,a,变,e,。,给下列可数名词加复数,bird-card-lady-,orange-ruler-photo-,friend-boy-watch-,girl-case-cat-,wife-tree-key-,bed-hero-family-,dictionary-question-,leaf-party-cup-,birds,ladies,oranges,rulers,cats,boys,girls,cases,wives,watches,trees,keys,questions,beds,heroes,friends,families,dictionaries,photos,cards,leaves,parties,cups,this ,that ,I ,you ,he/she/it ,am/is ,these,those,we,you,they,are,单数 复数,指示代词,人称代词,系动词,句型转换,1.What,s,this,?,复数,Whatre,these,?,2.He,s a Chinese boy.,复数,Theyre Chinese boys.,指示代词,人称代词,系动词,可数名词,3.This is a bike.,复数句,These are bike,s,.,指示代词,系动词,可数名词,注意：,单数句子转变为复数句子，指示代词、人称代词、系动词、可数名词都要变化为复数形式。,二、句型转换,1.This is my mother.,1,）变否定句,2,）变一般疑问句，并作肯定或否定回答,This is not my mother.,Is this your mother?,Yes,it is./No,it isnt.,2.That is a,car,.,1,）变否定句,2,）划线提问,3),变复数句,That is not a car.,Whats that?,Those are cars.,3.Thats an English dictionary.,1,）变否定句,2,）变一般疑问句，并作否定回答,Thats not an English dictionary.,Is that an English dictionary?,No,it isnt.,4.These are,dictionaries,.,单数,一般疑问句,并作肯定或否定回答,划线提问,This is,a,dictionary.,Are these dictionaries?,Yes,they,are.No,they arent.,What are these?,