初中八年级英语课件Grammar 全省一等奖

GrammarThecomparativeofadjectives

(形容词比较级)isusedtocomparetwopeopleorthingsLet’sgoshopping!LookandCompareHowtoformthecomparativeofadjectivesThecameraischeaper.Thecomputerscreenissmaller.Mother’sskirtislonger.Sister’shairisshorter.Rule1:大多数单音节词，直接加-erHowtoformthecomparativeofadjectivesBrotherisfatter.Brother’sT-shirtisbigger.Sisteristhinner.Rule2:以一个辅音字母结尾的重读闭音节词，先双写这个辅音字母，再加-erPhoneWorldAmonthagoTheroomlookslarger

thanbefore.I’dlikeaphonewithawidescreen.Height:5.44inchesHeight:6.22inchesWidth:2.64inchesWidth:3.06inchesWeight:4.55ouncesWeight:6.07ouncesiphone6iphone6PluswidercutecuterTheroomlookslargerthanbefore.Iphone6Plusiswiderthaniphone6.Themonkeydolliscuterthanthecup.Rule3:以-e结尾的词，直接加-riphone6iphone6PlusheavyheavierHeight:5.44inchesHeight:6.22inchesWidth:2.64inchesWidth:3.06inchesWeight:4.55ouncesWeight:6.07ouncesBothphonesareeasier

tooperatethanhisoldmobilephone.iphone6iphone6PlusI’mhappierbecausemysisterishappy.happyIphone6Plusisheavierthaniphone6.Bothphonesareeasier

tooperatethanhisoldmobilephone.I’mhappierbecausemysisterishappy.Rule4:以“辅音字母+y”结尾的词，变y为i，再加-erPrice￥4,600￥7,500Theredlaptopismoreexpensive

thantheblackone.Buttheblacklaptopismorepopular.laptop手提电脑Ithinkalaptopwithabiggerscreenismoreuseful.Theredlaptopismoreexpensive

thantheblackone.Buttheblacklaptopismorepopular.Alaptopwithabiggerscreenismore

useful.Rule5:大多数双音节或多音节词，more+原级Thecomparativeofadjectives大多数单音节词直接加________cheap→cheapersmall→smaller以一个辅音字母结尾的重读闭音节词先双写____________，再加_____fat→fatterbig→bigger以-e结尾的词直接加____large→largerwide→wider以“辅音字母+y”结尾的词变y为___，再加___heavy→heaviereasy→easier大多数双音节或多音节词more+_______popular→morepopularuseful→moreuseful-er这个辅音字母-er-ri-er原级aleathersuitcase

皮革aplasticsuitcase

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

lighter

bigexpensiveheavylightsmall

P39

Salesman:Theblackone.It’smadeofplastic.Trythem,sir.Father:You’reright.Theredoneis_______thantheblackone,andit’s_______thantheblackone.Salesman:Doyouhavealotofthingstocarry?Father:Yes,Ido.I’llhavetheblackonebecauseit’s__________thantheredone.Salesman:Thankyouverymuch,sir.heavier

smaller

bigger

bigexpensiveheavylightsmall

Iwanttousethenewlaptop!Choosetherightanswer1.Bobisfiveminuteslateforschool.Histeachersays,“Be________,nexttime.”A.earlierB.laterC.soonerD.earliest2.Benis_____thanDavid.A.patientB.morepatientC.patienterD.muchpatient3.Timis____thanJack.A.funnyB.muchfunnyC.funnierD.funniest4.Mybikeis____buthisbikeis_____.A.new;newB.new;newerC.new;newestD.newer;newest5.Thisbookis_________thanthatone.A.muchinterestingB.interestingerC.moreinterestingD.betterinteresting√√√√√Structure结构Iphone6Plusiswider

thaniphone6.Iphone6Plusisheavier

thaniphone6.Theredlaptopismoreexpensive

than

theblackone.形容词比较级+than“比……更……”Writeatleastthreesentenceswiththehelpofthestructuretocomparethem.

HeChanglonglookslikeBrother,buttherearestillsomedifferencesbetweenthem.HehassmallereyesthanBrother.________________________________________________________________________________________________________________Welikebothofthembecausetheyarekindpeople.Thecomparativeofadjectives大多数单音节词直接加-ercheap→cheapersmall→smaller以一个辅音字母结尾的重读闭音节词先双写这个辅音字母，再加-erfat→fatterbig→bigger以-e结尾的词直接加-rlarge→large