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Period5GrammarDegreesofcomparisonThetallestmanandtheshortestmanintheworldThePakistaniisfourtimesashighastheIranian.Orwecansay:ThePakistaniisfourtimeshigherthantheIranian.ThePakistaniisfourtimestheheightoftheIranian.0.64m2.55m118yearsold12yearsoldTheoldwomanisabouttentimesasoldashergranddaughter.Orwecansay:Theoldwomanisabouttentimesolderthanhergranddaughter.Theoldwomanisabouttentimestheageofhergranddaughter.②倍数+形容词比较级+as…③倍数+thesize(height,length,weight,width,depth,age)+of…①倍数（half,double,twice,times…）+as+形容词+as…Answerthequestions:2.Themenareabout1.7meterstall,andthetruckisthreeandahalftimesashighasthemen,howhighisthetruck?1.What’swrongwiththissentence?Ball2istwotimesasbigasball1.Correct:Ball2istwiceasbigasball1.Ball2istwotimesasbigasball1.3.Thecannais10(cm)big,andthekingfloweristentimesbiggerthanthecanna,howbigisthekingflower?Discussingroupsofthree.Makesentencesaboutthecomparativesizesofthepairs.Usethewordsinthebrackets.WinterinHarbinWinterinBeijing-20℃-5℃（cold/coldness）MountTaiMountQumolangma1521m8848m(high/height)Diameter(Earth=1)Jupiter=11(big/size)Example:A:TheYangtzeRiverisaboutthreetimesaslongastheSonghuaRiver.B:TheYangtzeRiverisaboutthreetimeslongerthantheSonghuaRiver.C:TheYangtzeRiverisaboutthreetimesthelengthoftheSonghuaRiver.MountTaiMountQumolangma1521m8848m(high/height)A:MountQumolangmaisaboutsixtimesashighasMountTai.B:MountQumolangmaisaboutsixtimeshigherthanMountTai.C:MountQumolangmaisaboutsixtimestheheightofMountTai.WinterinHarbinWinterinBeijing-20℃-5℃（cold/coldness）A:WinterisfourtimesascoldinHarbinasinBeijing.B:WinterisfourtimescolderinHarbinthaninBeijing.C:WinterinHarbinisfourtimesthecoldnessofwinterinBeijing.Diameter(Earth=1)Jupiter=11(big/size)A:Jupiteriseleventimesasbigastheearth.B:Jupiteriseleventimesbiggerthantheearth.C:Jupiteriseleventimesthesizeoftheearth.1.It’sbecomingbiggerandbigger.2.Sheismoreandmorebeautiful.3.Thehigheritflies,thesmalleritappears.Answerthequestions:A:Whichofthesestructuresisusedtosaythatsomethingischanging?B:Whichofthesestructuresisusedtosaythatthingschange/arechangingtogether?C:Whichstructuresrepeatthesameadjectives/adverbs?Sentence1.2.3Sentence3Sentence1.2Pairwork:Lookatthepassageandconcludethesentencesstructure.IntheNationalDayholidays,Iwentbacktomyhometowntoseemyuncle.HewasveryhappytoseemeandsaidIwasgrowingtallerandtaller.Iwassurprisedtoseethatmyhometownwasgettingmoreandmorebeautifulandthefarmerswerericherandricher.Seeingmyamazedlook,Unclesmiledandsaid,“Themoremoneyyoumake,themoreyouspend.”Afterlunch,Idecidedtoreturn.Uncleaskedmetoworkhard.Hesaid,“Theharderyouworkatyourlessons,thebetteryouwilldointhem.”moreandmore+多音节形容词单音节或多音节形容词/副词的比较级+单音节或多音节形容词/副词的比较级1).“越来越……”2).“越……,越……”The+形容词/副词的比较级+主+谓,the+形容词/副词的比较级Completethesentenceswiththewordsintheboxinsuitablecomparativeforms.Warmhealthy/longmore/moremore/lessbigExample:Airpollutionisgettingworseandworse.1.peopleare,theywilllive.2.werecycle,wewaste.3.Theplanetisgetting.4.Accordingtoscientists,theuniverseisgettinga.5.youpractise,fluentlyyouwillspeak.6.Ifounditdifficulttosoldtheproblem.ThehealthierthelongerThemorethelesswarmerandwarmerbiggerandbiggerThemorethemoremoreandmoreAlittletallerMuchtallerAnylouderPairwork:Lookatthesesentences.Underlinethecomparativeexpressionsandcircletheadverbsusedtogivemoreinformationaboutthecomparativeexpressions.1.Comeabitcloser.2.Weneedrathermorethanthat.3.Itweighsalittlemorethanbefore.4.It’llbealotheavierthanmagnesium.5.Isitanyheavier?6.Weneedapiecewhichis(very)muchbiggerthanthat.abitratheralittlealotany(very)much程度副词much,alittle,abit,alot,rather,no,any,(very)much…+形容词或副词的比较级.Pairwork:Fillintheblanks,usingmuch,alittle,alot,abit,any…A).Tomhasbeenillforseveraldays.Ishegettingbetter?anyB).NativespeakersspeakEnglishfasterthanIdo.muchC).Iweighheavierthanmycousin,butheisstrongerthanIam.abitalotPairwork:Underlinethecorrectexpression.Example:Mathisrather/mucheasierthanEnglish.1.Thismetalisverymuch/abitheavierthansteel.2.Leadisalot/lotsheavierthansteel.3.Thischemistryexperimentisrather/anycomplicated.4.Itisalittle/lotslongerthanbefore.Groupwork:Makeasmanysentencesasyoucan,usingdegreesofcomparison.Keywords:weight(heavy/strong),height(tall),age(old/young),number(many)Groupwork:commentonthefixedexpressioninEnglish.A.Thebigger,thebetter.B.Thehigher,thefewer.C.Thebiggertheyare,thehardertheyfall.1.PAGE47Grammar2:Activity2,42.PAGE91Grammar:Activity1,2