小学名词变复数课件.ppt

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1、名词名词：是指人或事物名称的词。名词专有名词China普通名词个体名词book集体名词family物质名词water抽象名词work不可数名词可数名词名词的单数形式一般可用a来修饰*acar*abook在元音发音开头的单词前用an*anelephant*anappleappleapplesbookbooksbusbusespeachpeachesdishdishesknifeknivesboxboxesleaves直接加s以s,x,ch,sh结尾加es以f,fe结尾把f,fe变为vesbabybabiescandycandies以辅音字母加y结尾把

2、y变i加esleafbutterflybutterflies名词变复数1．一般在名词后面加上“s”:book→books，bag→bags2．以s,x,sh,ch，等结尾的词加“es”:bus→buses，watch→watches3．以辅音字母＋y结尾的词，变y为i加es，baby→babies以元音字母＋y结尾的名词变复数时，直接加s变复数，boy→boys以f或fe结尾的名词变复数去掉f，fe加veshalf（一半）→halvesknife（小刀）→knivesleaf（树叶）→leaveswolf（狼）→wolveswife（妻子）→wiv

3、eslife（生活）→livesthief（小偷）→thieves“小偷”(thief)的“妻子”(wife)用“刀子”(knife)和“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。请同学们选择正确的词形填空。Ihavetwo.A.watchsB.watches2.Therearefive.A.boxesB.boxs3.Ourschoolhasten.A.classB.classes4.Whatcolorareyour?A.dressB.dresses.ABBB要点考点聚焦找规律tomatoespotatoesheroesNOU

4、N.radiosphotos找规律zoospianosNOUN.Negro---Negroeshero------heroestomato----tomatoespotato-----potatoes可数名词复数变换规则规则5:有生命的以o结尾的名词变复数时，词尾加es;凡无生命的以o结尾的名词变复数时直接加s。zoo------photo----piano----radio----zoosphotosradiospianos"黑人""英雄"爱吃"西红柿""土豆"。negronegroespotatopotatoestomatotomatoeshe

5、roheroes(二)不规则变化男人女人a变e，鹅足牙oo变ee；man-men;woman-women;goose-foot-feet;tooth-teeth老鼠虱子也好记，ous变ic；mouse-mice;孩子加上ren，鱼鹿绵羊不用变child-children;fish;deer;sheepthis---these(这些)that--  those(那些)manmenwomanwomenfootfeetchildchildrensheepsheeptoothteethpianopianos以o结尾，有生命的加-es，无生命的加-stoma

6、topotatotomatoespotatoes不规则名词复数要用心记忆单项选择()1.Thepighasfour______.A.footB.feetC.foots()2.Mytwobrothersareboth______.A.policemanB.policemansC.policemen()3.Icanseeten_____inthepicture.A.sheepB.dogC.pig()4.Thegirloftenbrushesher_____beforeshegoestobed.A.toothB.toothsC.teethBCAC名词

7、变复数AbookThisisabook.Thisisachinesebook.Thesearesomebooks.What’sthis?Whatarethese?It’sabook.Theyarebooks.What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareE

8、nglishbooks.bagswatchesorangespens--What’rethese?--They’re….m