小学英语单复数PPT课件

名词单数变复数What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.watchesorangespens--What’rethese?--They’re….名词一．名词分可数名词和不可数名词1.可数名词　个体名词都是可数名词。每个可数名词都有其单数和复数形式。　A.单数：表示“一个”的概念。用名词的单数时，名词前需加a或an。　　　如：abook（一本），anapple（一个苹果），anorange（一个橘子）　B.复数：表示两个或两个以上的物体。如：twopencils（两枝铅笔），threeweeks（三周）等。1.一般情况下，直接在词尾加-s构成复数形式。如：book-books,　bag-bags,cat-cats,bed-bedsnamepencardrulernamespenscardsrulersbox2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushessxshch2.busbusesfoxesfox(狐狸)dish(盘子)dishespeachpeachessandwichsandwiches3.以“辅音字母+y”结尾的名词，应改y为i，再加-es。familyfamiliesbabiesbabyyylb4.以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy4.keycitiesstrawberrieskeyscitystrawberry(草莓)partiesparty5.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。knifeknivesleavesleaf(树叶)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,Sumup: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.不可数名词：有些词在汉语中可数,在英语中却不可数。如：bread（面包）等。此类不可数名词要表示“一”这个概念时,需用其它方式表达,数词+量词+OF+名词。如:apieceofbread等。注意事项：不可数名词总是用单数的形式。不可数名词一般没有复数形式。不可数名词前，不要加数字。this–that–I–you–he/she/it–am/is–thesethoseweyoutheyare单数复数句子单数变复数Thisisabook.Thatisaneraser.Itisaredapple.Iamaboy.He/Sheisateacher.What’sthis?Thesearebooks.Thoseareerasers.Theyareredapples.Weareboys.Theyareteachers.What’rethese?复数句子变单数句子Theseareflowers.单数一般疑问句,并作肯定回答:划线提问::Thisisaflower.Aretheseflowers?Yes,theyare.Whatarethese?写出下列各词的复数I__________him__________this__________her__________watch__________child__________day__________foot__________book__________dress__________wethemthesethemwatcheschildrendaysfeetbooksdresses写出下列各词的复数tooth__________sheep__________box__________strawberry__________you__________peach_________sandwich_________man__________woman__________paper__________juice__________water__________milk__________rice__________tea__________teethsheepboxesstrawberriesyoupeachessandwichesmenwomenpaperjuicewatermilkricetea二、用所给的单词的复数的正确形式填空：　　1.Therearethree____________(chair)intheclassroom.　　2.These_____________(tomato)arered.　　3.Mybrotherlooksaftertwo__________(baby)　　4.Myfatherlikestoeat____________(potato).　　5.Chinese________(people)liketoeatnoodles.　　chairstomatoesbabiespotatoespeople6.Ihavealotof________(toy)inmybedroom.　　7.Mymotherwash_____________(dish)inthekitchen.　　8.Ihavetwo_____________(pencil-box).　　9.Therearesome_____________(bus)inthestreet.　　10.Monsterhaseight_____________(foot).　　toysdishesPencil-boxesbusesfeet三、选择填空　　()1．Icanseethree________inthezoo.AmonkeiesBmonkeysCmonkey()2.Thepighasfour________.A.footB.feetC.foots　　()3.Icanseeten_____inthepicture.A.sheepB.dogC.pig　　()4.The_____hasthree_____.boys,watchesB.boy,watchC.boy,watches　()5.Canyousee_______ontheplate?A.breadB.breadsC.breades　　BBACA()6.MrBlackoftendrinksome_________.A.milkB.milksC.milkes　　()7.Therearesome_____onthefloor.A.childB.manC.books　　()8.Lucywillhavesome_______.A.photoB.photosC.photoes()9.Ineedapenandsome_____.A.booksB.deskC.chair()10.Thereissome_____intheriver.A.fishB.fishesC.fishs　ACCAA