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1、教学目的:掌握名词复数的两大变化规则及其应用。教学过程:一.名词的概念。名词是指人和事物的名称。如:water,mother,table等。二.名词的种类。名词的种类有很多,但是按照所表示事物的性质可以分为可数名词(countablenouns)和不可数名词(uncountablenouns)。可数名词有单数和复数两种形式,如:anapple,twoapples,abook,somebooks。不可数名词一般没有复数形式,如:milk,bread,rice。三.名词复数的变法规则,可以分为两大类规则和不规则,规则的有下列5种:1.一般情况在名词后加-s:book—books/s/map—map
2、s/s/dog—dogs/z/girl—girls/z/teacher—teachers/z/chair—chairs/z/pet—pets/ts/student—students/ts/friend—friends/dz/bed—beds/dz/注意:加-s时的字母s的发音,清对清/s/,浊对浊/z/,元音后面也读/z/,以t结尾的读/ts/,以d结尾的读/dz/2.以s,sh,ch,x等结尾的名词加-es,读作/iz/.class—classesdish—dishesbox—boxesbus—buseswatch—watches3.以辅音字母加y结尾的名词,变y为i再加-es,读作/iz/
3、.family----familiesparty-----partiesstrawberry----strawberriesparty—partiesdictionary---dictionariescity—citiesstory—storieshistory—historiescountry—countries注意:以元音字母a,e,i,o,u加y结尾的名词其复数形式直接加-s,如:day—daysboy—boyskey—keys4.以f或fe结尾的名词复数,大多数把f或fe变为v再加-es,如:knife(小刀)—kniveswife(妻子)—wivesthief(小偷)---thiev
4、esleaf(树叶)—leavesshelf(架子)—shelvesself(自己)—selves5.以字母o结尾的名词一般在Negro(黑人),hero(英雄),potato(土豆),tomato(西红柿)这四个名词后加-es,读作/iz/,可以说“黑人英雄爱吃土豆炒西红柿”。Negro—Negroeshero—heroespotato—potatoestomato-tomatoes但是其他以o结尾的名词一般加-s.photo—photosradio—radioszoo—zooskilo—kilospiano—pianos三.不规则名词复数形式1.改变单数名词中的元音字母。foot(脚)—f
5、eettooth(牙齿)—teethman—menwoman—womenpoliceman(男警察)—policemenpolicewoman(女警察)—policewomenEnglishman(英国男人)—EnglishmenEnglishwoman(英国妇女)—Englishwomen2.词尾加-(r)en的child—childrenox(公牛)—oxen3.单复数相同的名词sheep(绵羊)deer(鹿)fish(鱼)Chinese(中国人)Japanese(日本人)duck(鸭子)4.名词前有man和woman修饰表示性别时,两者同时变复数awomanteacher(一位女教师)t
6、wowomenteachers(两位女教师)mandoctor/writer/cook男医生/作者/厨师womandoctor/writer/cook女医生/作者/厨师一。写出下列名词的复数形式。egg___class_____watch_____family_____strawberry_________key____tomato______photo_______boy____jacket______baby_____library_____picture______man___child_______school______wife____Chinese_______girl_____m
7、anteacher____________potato_______ruler_____radio______box_____foot____knife______bus_____tomato_______二.用所给词的适当形式填空。1.Mybrotherhasthree_______(pen).2.These______(photo)aremyfather’s.3.Therearefour___