小学名词变复数.pptx

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,*,小学名词变复数,名词变复数,A book,This is,a book,.,This is,a chinese book,.,These are,some books,.,Whats this?,What are these?,Its a book.,They are books.,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,.,-,What are those?,-Whats that?,-Its,an,English book.,-,They are,English book,s,.,ba,g,s,watch,es,orange,s,pen,s,-Whatre these?,-Theyre .,map,s,case,s,key,s,-Whatre those?,-Theyre .,This,_.,These,_.,is a tree,are two trees,are some trees,名词变复数,1一般在名词背面加上“,s,”:,bookbooks，bagbags,2以,s,x,sh,ch，,等结尾旳词加“,es,”:,busbuses，watchwatches,3以辅音字母y结尾旳词，变y为i加es，,babybabies,以元音字母 y结尾旳名词变复数时，直接加s变复数，,boy,boys,以o 结尾旳名词,变复数,(,a）加,s,旳名词,photo,photo,s,，piano,piano,s,，radio,radio,s,，zoo,zoo,s,(,b）水果、蔬菜、人这么旳单词加,es,potatopotato,es,(土豆),tomatotomato,es,（西红柿）,mango-mango,es,(芒果),Negro-negro,es,(黑人）hero-hero,es,（英雄）,黑人英雄喜欢吃土豆、西红柿和芒果。（简称两人两菜）,以,f或fe结尾旳名词,变复数,去掉,f，fe,加,ves,half（二分之一）hal,ves,knife（小刀）kni,ves,leaf（树叶）lea,ves,wolf（狼）wol,ves,wife（妻子）wi,ves,life（生活）li,ves,thief（小偷）thie,ves,“,小偷”,(thief),旳“妻子”,(wife),用“刀子”,(knife),和,“树叶”,(leaf),把“狼”,(wolf),劈成两“半”,(half),。,(二)不规则变化,男人女人 a 变 e，鹅足牙 oo 变 ee；,man-men;woman-women;goose,geese;foot-feet;tooth-teeth,老鼠虱子也好记，ous 变 ic；,mouse-mice;louse-lice,孩子加上 ren，鱼鹿绵羊不用变,child-children;fish;deer;sheep,this-these(这些),that-those,(那些,),将下列名词变复数,（练习）,1、,orange,2、,bus,3、,book,_,4、,box,5、,piano,6、,child,_,7、,leaf,8、,bed,9、,country,_,10、,balcony,11、,boy,12、,foot,_,13、,potato,14、,photo,15、,man,_,16、,baby,17、,tomato,18、,watch,_,19、,woman,20、,knife,22、sheep_,balconies,boys,feet,potatoes,photos,men,babies,tomatoes,watches,women,knives,sheep,books,boxes,children,pianos,leaves,beds,buses,oranges,countries,给下列可数名词加复数,bird-card-lady-,orange-ruler-photo-,friendboy-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,There are so many_(leaf)on,the trees.,2.It has two _(study)in the rooms.,3.These _(tomato)are red.,4.There is some _(water)in the glass.,5.My brother looks after two _(baby),练习,leaves,studies,tomatoes,water,babies,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?,复数句子变单数句子,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?,Sum up:,1.,一般情况下,直接在名词词尾加,-s,.,2,.,以,s,x,sh,ch,结尾旳名词,在词尾加,-es.,3.,以辅音字母加,y,结尾旳名词，要变,y,为,i,再加,-es.,5,.,以,f,或,fe,结尾旳名词，先将,f,或,fe,变为,v,再加,-es.,6.,以,o,结尾旳名词,表达无生命事物旳名词加,-s,表达有生命事物旳名词加,-es,。,4.,以“元音字母,+y”,结尾旳名词，直接在词尾加,-s.,