八年级英语上册 Module 2 Science and technology Unit 3 Computers Grammar 牛津深圳版

U3-Grammar编辑pptAThecomparativeofadjectivesWhenwecomparetwopeopleorthings,wecanusethecomparativeofadjectives.Weformthecomparativeofadjectiveslikethis:AdjectivesComparativeofadjectivescheapcheapertalltallerinterestingmoreinterestingexpensivemoreexpensiveToformthecomparativeofadjectives,weoftenadd_____toshortadjectivesanduse______withlongadjectives.Weoftenuse________afterthecomparativeofadjectives.WorkouttheruleMybookismoreinterestingthanyours!-ermorethan编辑pptAThecomparativeofadjectivesEX.Completetheconversationbelowwiththecomparativeoftheadjectivesfromthebox.bigexpensiveheavylightsmall

Salesman:CanIhelpyou,sir?David:Yes,Ineedasuitcase.Canyoutellmeaboutthesetwo?Salesman:Sure.Theredonecosts￥2500,andit’smadeofleather.David:Isee.Theredoneis____________thantheblackone.Whatabouttheweight?Whichoneis___________?moreexpensive

lighter

编辑pptbigexpensiveheavylightsmallSalesman:Theblackone.It’smadeofplastic.Trythem,sir.David:You’reright.Theredoneis_______thanthebalckone,andit’s_______thantheblackone.Salesman:Doyouhavealotofthingstocarry?David:Yes,Ido.I’llhavetheblackonebecauseit’s__________thantheredone.Salesman:Thankyouverymuch,sir.heavier

smaller

bigger

编辑pptBThesuperlativeofadjectivesWhenwecomparemorethantwopeopleorthings,wecanusethesuperlativeofadjectives.Weformthesuperlativeofadjectiveslikethis:AdjectivesSuperlativeofadjectiveshighthehighestcarefulthemostcarefulinterestingthemostinterestingToformthesuperlativeofadjectives,weoftenadd_____toshortadjectivesanduse______withlongadjectives.Weusuallyuse________infrontofthesuperlativeofadjectives.Workouttherule-estmostthe编辑pptBThesuperlativeofadjectivesB1Davidisshoppingforacamera.Lookatthephotosandwritetheletterofthecorrectmodelaftereachstatement.￥3589Madein2010350g109mm×78mm×46mm￥2530Madein2012170g99.8mm×56.4mm×24.5mm￥1700Madein2011183g103mm×57mm×27.3mma.c.b.编辑ppt￥3589Madein2010350g109mm×78mm×46mm￥2530Madein2012170g99.8mm×56.4mm×24.5mm￥1700Madein2011183g103mm×57mm×27.3mma.c.b.David:I’dliketoseesomeofyourcameras.Salesman:Certainly.Thisisthemostexpensivemodel.______Thisisthecheapestmodel.______Thisisthenewestandlightestmodel.______编辑pptBThesuperlativeofadjectivesB2DavidtoldhisfriendTonyabouthisshoppingtrip.CompleteDavid’ssentenceswiththesuperlatieoftheadjectivesfromthebox.expensivelightoldsmallTony:Didtheyshowyouanycameras?David:Yes.The_______modelis____________________.The____________modelcosts____________.The_______modelwasmadein___________.The_______modelweighs_______________.smallest

99.8mm×56.4mm×24.5mmmostexpensive

￥3589oldest

2010lightest

170g

编辑pptSummary

原形比较级最高级talltallertallestnicenicernicestbigbiggerbiggesteasyeasiereasiestclevercleverercleverest规则变化（一）单音节词和少数双音节词尾加er/est变为比较级/最高级编辑pptSummary

原形比较级最高级interestingmoreinterestingmostinterestingcarefulmorecarefulmostcarefulslowlymoreslowlymostslowly规则变化（二）多音节词和一些双音节在词前加more/most变为比较级/最高级编辑pptSummary

不规则变化原形比较级最高级good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastold年长的，老的，旧的olderoldestold（亲戚关系中）年长的eldereldestfar远的fartherfarthestfar有更加，更进一步的含义furtherfurthest编辑ppt拓展

形容词比较级的几种用法1.Ais+adj.+er+thanB.(两者）JimistallerthanMike.2.比较级前面可以有much,alittle,alot,even等修饰语JimismuchtallerthanMike.3.数量+比较级+thanJimis10cmtallerthanMike.4.比较级+比较级，表示“越来越……”hotterandhottermoreandmorebeautiful5.the+比较级，the+比较级表示“越…就越…”Theharderyouwork,thebetteryouwillbe.编辑ppt1.Aistheadj.+est

of/in…..（三者或三者以上）JimisthetallestboyinClass3.=Jimistallerthanthe

otherboysinClass3.=JimistallerthananyotherboyinClass3.2.the+序数词+形容词最高级+名词+in/of表示“第几最…”MikeisthesecondtallestboyinClass3.3.oneof+the+形容词最高级+名词复数+in/of表示“最…之一”JimisoneofthetallestboysinClass3.拓展

形容词最高级的几种用法编辑pptPost-activity:DoasurveyDesktopLaptopTablitSizeWeightPopularityManufacturing制造Price编辑pptGiveareportAlmosteverystudenthasa________athome.Itis____and_____.Laptopsare______and_______.Soitisbecoming____and_____popular.Withthedevelopmentoftechnology,anewki