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Unit3Unit3I’mmoreoutgoingthanmysister.SectionALinXinruisthin.LiuYifeiisthinner.LiuYifeiisthinnerthanLinXinru.45kg48kgLiYongismoreoutgoingthanChenglong.ChengLongisoutgoing.LiYongismoreoutgoing.LiuXiangistall.PanChangjiangisshort.LiuXiangistallerthanPanChangjiang.PanChangjiangisshorterthanLiuXiang两者之间比较，用形容词比较级两者之间比较，用形容词比较级Theredboxisbig.Thegreenboxissmall.Theredboxisbiggerthanisbiggerthanthegreenbox.Thegreenboxissmallerthanissmallerthantheredbox.Thepurplerulerislong.Thebluerulerisshort.Thepurplerulerislongerthantheblueruler.Thebluerulerisshorterthanthepurpleruler.Thewomenareheavy.Themanandthewomanarethin.Thewomenareheavierthanthemanandthewoman.1.构成的不规则变化:eg.good/well–better–bestbad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/further–farthest/furthest2.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er或-est.如：cold–colder–coldestnice—nicer–nicest2)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big–bigger–biggestthin–thinner–thinnest3)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easy–easier–easiesthappy–happier–happiest4)多音节词和部分双音节词在词前加more或most。如：delicious–moredelicious–mostdeliciousinteresting–moreinteresting–mostinteresting学习课本形容词的比较级构成，完成写出下列词的比较级。•talllongcoldfastthick•smallstronghardnewshort•widefinelate•fatbigthinred•happyearlyeasyheavy•beautifulexcitinginteresting•populardifficultusefulimportant•goodfarillmuchbadmanywell用形容词的适当形式填空用形容词的适当形式填空1.Samhas______(long)hairthanTom.2.Tomis______(calm)thanSam.3.Tinais______(tall)and_____(wild)thanTara.4.Paulis______(short)and______(heavy)thanPedro.5.I’m_______(funny)thanTara.6.Tarais____________(serious)thanTina.longerwildertallerfunniershorterheaviercalmermoreseriousA:IsthatZhouXingchi?B:No,itisn’t.It’sYaoMing.HeistallerthanZhouxingchi.tallthinlonghaircalmwildshorthairheavyshort1a.Matcheachwordwithitsopposite!1b.1b.Listenandnumberthepairsoftwins[1-3]inthepicture.1231c.PairworkIsthatTara?No,itisn’t.It’sTina.Tara’sshorterthanTina.TaraTinaNo,itisn’t.It’sPaul.Paul’sthinnerthanPedro.Pedro’stallerthanPaul.IsthatPedro?1.Tinais______(short)thanJill.2.Hisnoseis______(big)thanhers.3.Thisbagis_______(large)thanthatone.4.Myfatheris_____（busy）thanmymother.5.Kateis____________(beautiful)thanLily.shorterbiggerlargerbusiermorebeautifulFillintheblankswithproperforms.Sentencepattern（句子结构）:表示两者比较的常用结构（A和B比较）：如：I’mtallerthanyou.Youarethinnerthanme.Thisrulerislongerthanthatone.A+be动词+比较级+than+B•HomeworkWhenKFCmeetsMcdonald's•Writeashortpassageaboutthingsthatarethesameanddifferentbetweenyouandyourfriend.