初中八年級英語課件Grammar 全省一等獎

GrammarThecomparativeofadjectives

(形容詞比較級)isusedtocomparetwopeopleorthingsLet’sgoshopping!LookandCompareHowtoformthecomparativeofadjectivesThecameraischeaper.Thecomputerscreenissmaller.Mother’sskirtislonger.Sister’shairisshorter.Rule1:大多數(shù)單音節(jié)詞，直接加-erHowtoformthecomparativeofadjectivesBrotherisfatter.Brother’sT-shirtisbigger.Sisteristhinner.Rule2:以一個輔音字母結(jié)尾的重讀閉音節(jié)詞，先雙寫這個輔音字母，再加-erPhoneWorldAmonthagoTheroomlookslarger

thanbefore.I’dlikeaphonewithawidescreen.Height:5.44inchesHeight:6.22inchesWidth:2.64inchesWidth:3.06inchesWeight:4.55ouncesWeight:6.07ouncesiphone6iphone6PluswidercutecuterTheroomlookslargerthanbefore.Iphone6Plusiswiderthaniphone6.Themonkeydolliscuterthanthecup.Rule3:以-e結(jié)尾的詞，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“輔音字母+y”結(jié)尾的詞，變y為i，再加-erPrice￥4,600￥7,500Theredlaptopismoreexpensive

thantheblackone.Buttheblacklaptopismorepopular.laptop手提電腦Ithinkalaptopwithabiggerscreenismoreuseful.Theredlaptopismoreexpensive

thantheblackone.Buttheblacklaptopismorepopular.Alaptopwithabiggerscreenismore

useful.Rule5:大多數(shù)雙音節(jié)或多音節(jié)詞，more+原級Thecomparativeofadjectives大多數(shù)單音節(jié)詞直接加________cheap→cheapersmall→smaller以一個輔音字母結(jié)尾的重讀閉音節(jié)詞先雙寫____________，再加_____fat→fatterbig→bigger以-e結(jié)尾的詞直接加____large→largerwide→wider以“輔音字母+y”結(jié)尾的詞變y為___，再加___heavy→heaviereasy→easier大多數(shù)雙音節(jié)或多音節(jié)詞more+_______popular→morepopularuseful→moreuseful-er這個輔音字母-er-ri-er原級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結(jié)構(gòu)Iphone6Plusiswider

thaniphone6.Iphone6Plusisheavier

thaniphone6.Theredlaptopismoreexpensive

than

theblackone.形容詞比較級+than“比……更……”Writeatleastthreesentenceswiththehelpofthestructuretocomparethem.

HeChanglonglookslikeBrother,buttherearestillsomedifferencesbetweenthem.HehassmallereyesthanBrother.________________________________________________________________________________________________________________Welikebothofthembecausetheyarekindpeople.Thecomparativeofadjectives大多數(shù)單音節(jié)詞直接加-ercheap→cheapersmall→smaller以一個輔音字母結(jié)尾的重讀閉音節(jié)詞先雙寫這個輔音字母，再加-erfat→fatterbig→bigger以-e結(jié)尾的詞直接加-rlarge→large