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1、二、用法1.比较级表示两者(人或事物)的比较。eg.IamtallerthanTom.Mydressismorebeautifulthanhers.Payattentionto用比较级进行比较时，前后用以对比的必须是同类事物。e.g.Myhairislongerthanhers.Testyourself一、写出下列各形容词的比较级shortthinbigbeautifullargehotbusypopularmuchgoodshorterthinnerbiggermorebeautifullargerhotterbusiermorepopularmorebe
2、tter比较级，要变化一般词尾加er。(long-longer,tall-taller)词尾若有哑音e,直接加r就可以。(nice-nicer)重读闭音节,单辅音字母要双写。(hot-hotter,big-bigger,thin-thinner)辅音字母若加y,记得把y变为i。(happy-happier,funny-funnier)多音节更容易，词前加more便可以。(outgoing-moreoutgoing)让我们归纳:比较级（形容词/副词）的构成口诀Theredboxisbig.Thegreenboxissmall.Theredboxisbigger
3、thanthegreenbox.Thegreenboxissmallerthantheredbox.LinXinruisthin.LiuYifeiisthinner.LiuYifeiisthinnerthanLinXinru.45kg48kgLiYongismoreoutgoingthanChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.比较级句型结构:主语+谓语动词+adj./adv.比较级+than+对比成分as…as…同级比较,两个“as”之间必须使用形容词或副词原级。意为“如同……一样……”,not
4、as/so…as“不如……一样……”e.g.Herunsasquicklyashisfather.Thewatermelonisasbigasasoccerball.Shedoesn’tstudyso/ashardasherbrother(does).Thepurplerulerislong.Thebluerulerisshort.Thepurplerulerislongerthantheblueruler.Thebluerulerisshorterthanthepurpleruler.Whichrunsfaster,thedogorthesheep?The
5、dogrunsfasterthanthesheep.Thesheeprunsfast.A+谓语动词+as+adv或adj原形+as+BA+谓语动词(not)+as或so+adj或adv原形+as+Bas...asmybikeherbikeMybikeisasbigasherbike.Mybikeisasbigashers.1c.PairworkIsthatTara?No,itisn’t.It’sTina.Tara’sshorterthanTina.TaraTinaNo,itisn’t.It’sPaul.Paul’sthinnerthanPedro.Pedro
6、’stallerthanPaul.IsthatPedro?A:IsthatZhouXingchi?B:No,itisn’t.It’sYaoMing.HeistallerthanZhouxingchi.Pleasedescribepeoplewithcomparetivedegree.比较级句型结构:形容词比较级的变化规则SummaryExercises1.Hiscaris(nice)than____.(I)2.Jimismuch(thin)thanTom.4.TheweatherinMudanjiangis(cold)thanthatinSanya.5.Th
7、isquestionis(easy)thanthatone.6.Ifeeleven(bad)thanyesterday.7.Whichis(beautiful),theblackcoatortheblueone?nicerthinnercoldereasierworsemorebeautifulmineCompareyourself.(nowandtwoyearsago)Twoyearsago,Iwasaprimaryschoolstudent.I’mtallernow.Iworkharderandsmarterthanbefore.Iwasnotpopul
8、arinprimaryschool,butI’mmo
