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【教师寄语：请你相信，态度决定高度！】比较级【基础知识】一、比较级的意义：两个人或物之间的比较。表示“较……”或“更……一些”。标志词：than(比）其基本结构：A+be动词+形容词比较级+than+BHeisyoungerthanme.他比我年轻。Thecupissmallerthanthedesk.这个杯子比桌子小。Mysisteriselderthanme.我姐姐比我大。二、形容词的比较级怎么构成？⒈直接加er。如：dark→darker;tall→taller;small→smaller【即时训练】strong_______small_________light________2.以e结尾的形容词在词尾直接加-r构成。如：nice→nicer【即时训练】late_________3.重读闭音节双写末位字母再加er。如：fat→fatter【即时训练】thin_________run_________4.多音节形容词，在其前加more构成。如：interesting→moreinteresting;【即时训练】important→moreimportant。5.以辅音字母加y结尾的，把y变i，加er。early→earlier【即时训练】heavy_________easy________6.少数形容词的比较级是不规则的。三、重难点、考点。1、形容词/副词比较级前的修饰语.(1)much/alittle/abit/alot/slightly.原形比较级最高级good/wellbetterbestbad/illworseWorstmany/muchmoreMostlittlelessLeastfarfartherfurtherfarthestfurthestoldolderelderoldesteldestSheismuchtallerthanme.Iamalittleshorterthanmymother.(2)具体数量.Mysisteristenyearsyoungerthanme.(3)any/no/even/some/stillDoyoufeelanybettertoday?Sheisnoolderthanmike.2、定冠词或指示形容词+比较级+名词表示比较。ThetallerboyisJohn.3、不可使用双重比较级。错误Mymotherismoreyoungerthanmyfather.我妈妈比我爸爸小。正确Mymotherisyoungerthanmyfather.4、与than搭配的词语形式。（1）名词/代词Heisolderthanme.(2)动名词/从句Skiingismoreexcitingthanskating.5、as……as中间用原级。as……as…(与…一样）notas(so)……as（与…不一样）6、表示倍数的词或其他程度副词做修饰语，放在as的前面。Shecanreadtwiceasfastasyoudo.7、、比较级与最高级可以转换，意思不变。如：SheistallerthananyothergirlinClass5.=SheisthetallestgirlinClass5.8、比较的事物只能是同一级别的。如：MyhairislongerthanMary's.Hisshirtismoreexpensivethanmine.9、如果比较对象相同，可用that\those代替第二个比较对象。如：TheweatherinShanghaiisbetterthanthatinWuhan.10、比较级的特殊搭配。1）“比较级+and+比较级”表示“越来越……”eg:Hebecomesfatterandfatter.2）“The+比较级…，the+比较级”表示“越……，越……”Themore,thebetter.3）表示两者中”较……“时，用the+形容词比较级+of短语来表达。Heisthetallerofthetwo.4）Morethan不仅仅是，超过；Lessthan不到5）moreorless差不多Theworkismoreorlessfinished.工作差不多完成了。【当堂练习】一、写出下列形容词或副词的比较级。old__________young________tall_______long________short________strong________big________small_______fat_________thin__________heavy______quiet__________nice_________good_________beautiful______________long___________fat__________slow__________far__________short__________good__________二、根据句意填入单词的正确形式。1.MissChenis___________________thanMr.Wang.(popular)2.Mr.Lin_________________________Mr.Brown.(sad)3.Thebasketball_______________________thebaseball.(big)4.QuestionA_____________________________________QuestionB.(important)5.Arose__________________________________aweed(野草).(beautiful)6.Torontois___________cityinCanada.(large)7.Playingcomputergamesis________________ofalltheactivities.(interesting).8.TheNile(尼罗河)is______________riverintheworld.(long)9.Goodhealthis______________________thinglife.(important)10.Takingataxiis_____________waytogettotheairport.(easy)三、翻译句子。1、谁比Jim年纪大？是你。________is_________thanJim？________are.2、他和他的朋友Jim一样年轻。He_______as__________as________________Jim.3.YangLing每天睡得比SuYang晚。YangLing________to_______________thanSuYangeveryday.4.多做运动，你会更强壮。________moreexercise,you’ll_________________soon.5.我喜欢游泳。我所有的朋友都游得比我慢。Ilike_______.Allmy____________________thanme.6.我的姐姐起得比我早。My__________up_____thanme.7.她不擅长体育。但我跳得没有她高。Shedoesn’t_________inPE.ButIdon’t___________than_____.8．我母亲比我父亲年纪小。My________________thanmy______.9.她的毛衣和我的一样重。_____sweater_____as_______as_____.10.我的连衣裙太短了。我想买一条大点的。Mydress_____too_____.Iwantto_____a______one.【课后作业】一、选择填空。1.WhichdoesJimmylike_____,ChineseorArt?A.wellB.bestC.betterD.much2.TheChangjiangRiverisoneof_____intheworld.A.thelongestriverB.longestriversC.thelongestriversD.longerrivers3._____ofthetwowomenisMrsBrown.A.ThebeautifulB.ThemorebeautifulC.MorebeautifulD.Themostbeautiful4.Mymooncakeisnicer_____his.A.likeB.withC.forD.than5.Youarefatterthan_____.A.heB.hisC.himD.heistall6.Hejumps_____ofthethree.A.farB.furtherC.farthestD.furthest7.Myhairislongerthan_____.A.mysisterB.KateC.mybrother’sD.Lucys’8.Thereare_____paperhere.Pleasebringsome.A.littleB.lessC.fewerD.alittle9.Thepenis_____thanthatone.A.morecheapB.cheapC.muchcheaperD.quitecheaper10.TomspeaksChinese_____betterthanJimmy.A.moreB.veryC.alotofD.much11.Thereare_____girlsinClassTwothaninClassFour.A.moreB.nicestC.mostD.best12.It’stoo_____foryoutodothat.A.easyB.moredangerousC.harderD.theeasiest13.Whohas_____applesnow,Jim,LilyorLucy?A.muchB.biggestC.betterD.themost14.Youhavemorerulersthanme.But_____arenicerthan_____.A.mine,yoursB.mine,yourC.my,yoursD.my,your15.Tingtingis_____thanMeimei,butMeimeiis_____thanTingting.A.all,strongerB.taller,strongestC.tallest,strongD.taller,stronger16.Motheris_____inmyfamily.A.busyB.busierC.thebusiestD.morebusy17.Thereare_____intheparkonSunday.A.morechildrenB.alotofpeopleC.muchmenandwomenD.manypeoples18.-Thisbluesweateristoobigforme.-Willyoupleaseshowmea_____one?A.smallB.smallerC.thesmallestD.smallest19.Nooneis_____Maryintheclass.A.sotallestasB.astallerasC.sohighasD.sotallas20.Thisbikeis_____thanthatone.A.twentyyuandearB.twentyyuandearerC.deartwentyyuanD.dearertwentyyuan二、用所给词的适当形式填空。1.Yourclassroomis_____(wide)and_____(bright)thanours.2.Thereare_____(few)hoursofsunlightadayinwinterthaninsummer.3.Whichdoyoulike_____(well),mathsorchemistry?4.Thisisthe_____(good)filmIhaveeverseen.5.A