七年级上名词单数变复数课件VIP免费

名词单数变复数教师：刘萧君语法知识整合训练What’sthisinEnglish?It’sanapple.Whatarethese?Theyaretwoapples.--Whatarethese?--What’sthis?--It’sapen.--Theyarepens.--Whatarethose?--What’sthat?--It’sanEnglishbook.--TheyareEnglishbooks.--Whatarethose?--What’sthat?--It’samap.--Theyaremaps.1.一般情况下，直接在词尾加-s构成复数形式。mapbackpackmapsbackpacksbookbooks1.namepencardrulernamespenscardsrulers--What’sthis?It’sawatch.--Whatarethese?--Theyarewatches.box2.以s,x,ch,sh等结尾的名词，在词尾加-es构成复数形式。boxesclassclasseswatchwatchesbrushbrushes（刷）sxShch2.busbusesfoxesfox(狐狸)dish(盘子)dishes--What’sthis?It’satomato.--Whatarethese?--Theyaretomatoes.3.以o结尾的名词，有的加-s,有的加-es构成复数形式。photophotosheroestomatoeszooszoo(动物园)tomato(西红柿)hero(英雄)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。--What’sthis?It’sastrawberry.--Whatarethese?--Theyarestrawberries.--What’sthis?It’sadictionary.--Whatarethese?--Theyaredictionaries.4.以“辅音字母+y”结尾的名词，应改y为i，再加es。familyfamiliesdictionariesdictionarystrawberrystrawberrieskeycitiesstrawberrieskeyscity(城市)strawberry(草莓)以“元音字母+y”结尾的名词，直接在词尾加-s构成复数形式。boyboysdaydaysoayy5.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。knifekniveshalfhalves5.wivesleaveswolveswife(妻子)leaf(树叶)wolf(狼)roof(屋顶)roofsroof“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：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•Sumup:P951.一般情况下,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.以“元音字母+y”结尾的名词，直接在词尾加-s.4.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。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--birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescups选择填空•1、Thereonthewall.Theyareverybeautiful.•A.arephotoesB.arephotos•C.isaphotoD.isphotos•2.Therearefourandtwointhegroup.•A.Japanese,GermenBJapaneses,GermenC.Japanese,GermanD.Japanese,Germans3.Theseare______•A.artbookB.artbooksC.artsbooksD.artsbook•4.Theboyshavegotalready.•A.twobreadB.twobreads•C.twopiecesofbreadD.twopieceofbread•5.Theoldmanwants.•A.sixboxesofapplesB.sixboxesofapple•C.sixboxofapplesD.sixboxsofapples•6.Theresomeintheriver.•A.is,fishB.are,fishsC.is,fishsD.are,fish7.Theretwointhebox.•A.iswatchB.arewatchesC.arewatchD.iswatches•8.Weshouldcleantwiceaday.•A.ourtoothB.ourtoothsC.teethD.ourteeth•9.The_____meetingroomisnearthereadingroom.•A.teacherB.teacher’sC.teachers’D.teachers10.InBritain_____areallpaintedred.•A.letterboxesB.lettersboxesC.letterboxD.lettersbox(二)不规则变化:3.单复数同形(不变):sheep(绵羊)deer(鹿)fish(鱼)1.man,womanmen,womenChinese(中国人)Japanese(日本人)6.oo变成ee:foot(脚)tooth(牙齿)goose(鹅)4.只有复数形式：glassesshoestrousers等5.单数名词表示复数意义:people(人们)family2.child（孩子）children（男人，妇女）