名词单数变复数PPT课件.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,单数,变,复数,-,What are these?,-Whats this?,-Its a pen.,-,They are,pen,s,.,-,What are those?,-Whats that?,-Its,an,English book.,-,They are,English book,s,.,backpack,s,watch,es,orange,s,pen,s,-,Whatre these?,-Theyre .,map,s,case,s,key,s,-,Whatre those?,-Theyre .,名词单数变复数,(一,),规则变化:,1.加,s,2.加,s,x,ch,sh,结尾的名词加,es,3.以辅音字母加,y,结尾的名词,先改,y,为,i,再加,es,(,mother,s,father,s,sister,s,brother,s,),(,bus,es,box,es,watch,es,),(,family -famil,ies,dictionary-dictionar,ies,),区别,key key,s,boy-boy,s,(二,),不规则变化:,2.,m,a,n,wom,a,n,m,e,n,wom,e,n,1.以,o,结尾的名词有生命的加,es,:,potato,es,(,土豆),tomato,es,(,西红柿)无生命的在词尾加,s:zoo(,动物园,)zoo,s,radio,（收音机）,-radio,s,photo(,照片）,-photo,s,Chinese(,中国人,),Japanese(,日本人,),3.child（,孩子）,children,（,男人，妇女）,4.单复数同形(不变):,sheep(,绵羊),deer(,鹿),fish(,鱼),people(,人，人民）,mouse,（老鼠）,-mice,5.,oo,ee,：foot(,脚),f,ee,t,tooth(,牙齿),-t,eet,h goose(,鹅),-g,ee,se,6.,以,f/,fe,结尾的,变,f,为,v,再加,es,wife(,妻子),wi,ves,knife(,小刀),-kni,ves,shelf(,架子),shel,ves,leaf (,叶子),-lea,ves,wolf(,狼),-wol,ves,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,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,名词单数变复数,tomato(,西红柿）,hero,（英雄）,negro,（黑人）,radio,（收音机）,photo,（照片）,life,（生命）,knife,（小刀）,thief,（贼）roof,（屋顶）,zoo,（动物园）,piano,（钢琴）,potato,（土豆）,this ,that ,I ,you ,he/she/it ,am/is ,these,those,we,you,they,are,单数 复数,一、写出下列单词的复数,I-2.am-3.he,4.pencil-5.watch-,6.dictionary-,7.man-8.it-,9.parent-10.boy,we,are,they,pencil,s,watch,es,dictionar,ies,m,e,n,they,parent,s,boy,s,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?,7.This is a dictionary,8 That is your brother,9 She is a girl,10 It is an ID card,11 He is my uncle,12 I am a student,二、句型转换,1.,This is my mother.,1）变否定句,2）变一般疑问句，并作肯定回答,This is not my mother.,Is this your mother?,Yes,it/she is.,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.Her family names,Smith,.,5.My jacket is,light blue,.,6.is,that,brother,my,Dave,组词成句,划线提问,划线提问,Whats her family name?,What color is,your,jacket?,That is my brother,Dave.,句型转换,1.,Whats this?,复数,Whatre these?,2.Hes a Chinese boy.,复数,Theyre Chinese boys.,3.This is a bike.,否定句,复数句,一般疑问句，并作肯定回答,This is,not,a bike.,These are bike,s,.,Is this a bike?,Yes,it is.,4.,That is my brother.,否定句,一般疑问句，并作否定回答,That is,not,my brother.,Is that,your,brother?,No,it/he isnt.,5.,These are,dictionaries,.,单数,一般疑问句,并作肯定回答,划线提问,This is,a,dictionary.,Are these dictionaries?Yes,they,are.,What are these?,