八年级英语形容词比较级和最高级.pptx

用以修饰名词，表示事物的用以修饰名词，表示事物的特征特征的词。的词。e.g.long,empty,cheap,hungry,etc.在句中作定语、表语、宾语补足语等成分第1页/共34页e.g.Heisagoodstudent.Ihavesomethingimportanttotellyou.当形容词修饰由当形容词修饰由some-,any-,no-,every-构成的不定代词时构成的不定代词时,形容词要放在这些形容词要放在这些不定代词的之后不定代词的之后.e.g.Isthereanythinginterestingintodaysnewspaper?第2页/共34页Thetreesturngreeninspring.Wearealoneontheisland.只能作表语，不能作定语的形容词只能作表语，不能作定语的形容词你能说出几个？你能说出几个？aloneafraidawakeasleepaliveable第3页/共34页形容词和宾语一起构成形容词和宾语一起构成复合复合宾语宾语e.g.Wemustkeeptheclassroomclean.Hemadeushappy.Colouritgreen.第4页/共34页LetLets s fill in the fill in the blanks,blanks,第5页/共34页词词尾尾变变化化原级原级比较比较级级最高最高级级单音节词在词尾加单音节词在词尾加-er(比较比较级级)或或-est(最高级最高级)tallhard以不发音的以不发音的e接尾的词加接尾的词加r或或stlargewide以重读闭音节结尾的词以重读闭音节结尾的词,应双应双写辅音字母再加写辅音字母再加er或或estbighot以辅音字母加以辅音字母加y结尾的词变为结尾的词变为i再加再加er,或或esthappydry多音节词和多数双音节词在多音节词和多数双音节词在其前面加其前面加more和和mostdifficultpopular1.1.规则变化规则变化tallertallestharderhardestlargerlargestwiderwidestbiggerbiggesthotterhottesthappierhappiestdrierdriestmoredifficultmostdifficultmorepopularmostpopular第6页/共34页原级原级goodwellbadillmanymuchlittlefarold比较级比较级最高级最高级2、不规则变化bestbetterworseworstmoremostlessleastfartherfarthestfurtherfurthestolderoldesteldereldest第7页/共34页 可用可用much,still,alittle,even,far,threeyears等表示程度的状语来等表示程度的状语来修饰比较级修饰比较级*SheismuchtallerthanMrs.Liu.*HeisthreeyearsolderthanI.*Thisproblemisalittlemoredifficultthantheotherone.第8页/共34页TomisastallasMike.as+形容词原形+asThereareasmanystudentsinourschoolasyours.Idonthaveasmuchmoneyasyoudo.第一个as后的形容词做定语修饰名词.将该名词及有关修饰语全列在第一个as后.第9页/共34页否定notas+形容词原形+as“和不一样”或notso+形容词原形+as“不及不如TomisnotastallasMike.TomisnotsotallasMike.第10页/共34页Thistruckisbigenoughtocarry5tons.so+形容词原级+that丛句such+名词that丛句Heissobigthathecantentertheroombythedoor.too+原级+todosth.Heistooyoungtojointhearmy.形容词原级+enoughtodosth.第11页/共34页倍数词/half+as+形容词原形+asTomisthreetimesasoldasMike.Myschoolistwice/halfaslargeasYours.第12页/共34页比较级+thanThisbridgeislongerthanthatone.Ourschoolislargerthantheirs.倍数词+比较级+thanOurschoolisthreetimeslargerthantheirs.HeisthreeyearsolderthanI.第13页/共34页more(less)thanSheismorethanthirty.Thelightestboxweighslessthan50kilograms.moreorlessTheproblemismoreorlesssolved.这个问题差不多已经解决了。Isitstraight?Moreorless.它直吗？差不多吧。第14页/共34页“The+比较级，the+比较级”“比较级比较级+and+比较级比较级”Thesmallerthehouseis,thelessitwillcostustheheat.Inspring,thedaysaregettinglongerandlonger.第15页/共34页the+比较级+ofJhonisthetallerofthetwo.第16页/共34页表示两者之间的选择，可使用“Whichis+比较级，or?”表示不及另一方时，使用表示不及另一方时，使用“less+原级原级+than”Whichislonger,thisoneorthat?Thisparkislessbeautifulthanthatone.第17页/共34页oneofthe+最高级+名词复数最高级+of(in/among)Thisis/wasthe最高级最高级+名词名词+that定语从句定语从句LuXunisoneofthegreatestwriterslastcentury.ThisistheworstfilmthatIhaveseentheseyears.Ofallthemoviestars,IthinkZhangZiyiisthebest.第18页/共34页掌握几种同义句转换1.HeistallerthanI.=Iamnotas/sotallashe.2.IstudyharderthanLiMing.=LiMingdoesntstudyashardasI.第19页/共34页3.Heistallerthananyotherstudentinhisclass.=Heistallerthantheotherstudentsinhisclass.=No one/Nobodyistallerthanheinhisclass.=Heisthetallest(student)inhisclass.第20页/共34页4.IprefermathstoEnglish.=IlikemathsbetterthanEnglish.5.Theboxistooheavyforhimtocarry.=Theboxissoheavythathecantcarryit.=Theboxisnotlightenoughforhimtocarry.第21页/共34页注意点注意点1.1.形容词最高级前一定要用形容词最高级前一定要用the，副，副词最高级前可省略词最高级前可省略2.2.在比较级中为了避免重复，在在比较级中为了避免重复，在than后后常用常用one，that，those等词来替代前等词来替代前面提到过的名词面提到过的名词*Thispenisshorterthanthatone.*TheweatherhereiswarmerthanthatofShanghai.第22页/共34页 3.用用or连接两项需作比较的内容时，连接两项需作比较的内容时，须用比较级；若须用比较级；若or连接三项或三项连接三项或三项以上的内容时，则须用最高级以上的内容时，则须用最高级*Whoistaller,MaryorJane?*Whichisbiggest,thesun,themoonortheearth?第23页/共34页1.Thebreadis_thanthesecakesA.verydeliciousB.muchdeliciousC.moredeliciousD.asdelicious2.LinTaojumped_inthelongjumpintheschoolsportsmeetingA.farB.fartherC.farthestD.quitefar3.Whentheymetinthehotel.Theytalkedandlaughed_A.happilyB.happyC.happierD.happiestCCA第24页/共34页4.Inourcityits_inJuly,butitiseven_inAugustA.hotterhottestB.hothotC.hotterhotD.hothotter5.HainanisaverylargeIsland.Itisthesecond_islandinchina.A.largeB.largerC.largestD.mostlargest6.Anelephantis_thanatiger.A.heavyB.veryheavyC.theheaviestD.heavierDCD第25页/共34页7.Ahorseis_thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavy8.Emmaalwaysmakesalotofmistakes.Sheis_.A.careB.carefulC.carefullyD.careless9.Whichsubjectis_,physicsorchemistry?A.interestingB.mostinterestingC.moreinterestingD.themostinterestingCDC第26页/共34页10.Heis_enoughtocarrytheheavybox.A.strongB.strongerC.muchstrongerD.thestrongest11.Lileioftentalks_butdoes_soeveryonesaysheisagoodboy.A.lessmoreB.fewmuchC.morelittleD.littlemanyAA第27页/共34页 ()1Whogetshomeusually_inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,_.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran_thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB第28页/共34页()4Dontworry.Yourbabyislookedafter_here,thenursearevery_.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless,care()5Theideabecame_.Hewantedtotry_.A.strangly,itoutB.strangly,outitC.strange,itoutD.strange,outit()6Beijingis_biggestcitiesinChina.A.thefirstB.oneofC.thesecondD.secondBCC第29页/共34页 ()1Whogetshomeusually_inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,_.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran_thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB第30页/共34页()4Dontworry.Yourbabyislookedafter_here,thenursearevery_.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless,care()5Theideabecame_.Hewantedtotry_.A.strangly,itoutB.strangly,outitC.strange,itoutD.strange,outit()6Beijingis_biggestcitiesinChina.A.thefirstB.oneofC.thesecondD.secondBCC第31页/共34页5Mr.Greenisfeeling_enoughtogotowork.(good)6Theoldmanlooksvery_thanyouthink.(friend)7Thisboxisnotso_asthatone.(heavy)8Lucyjumped_ofthefour.(high)wellmorefriendlyheavyhighest第32页/共34页用词的适当形式填空1Heworksvery_.He_hasarestonSunday.(hard)2_,hedidntfailintheexam.(luck)3Hewasso_thathecouldntbelievethis_news.(surprise)4Hewontdoit.Iwontdoit,_.(too)hardhardlyLuckilysurprisedsurprisingeither第33页/共34页谢谢您的观看！第34页/共34页