八年级英语形容词比较级和最高级

用以修饰名词，表示事物的特征的词。e.g.long,empty,cheap,hungry,etc.在句中作定语、表语、宾语补足语等成分．e.g.Heisagoodstudent.Ihavesomethingimportanttotellyou.当形容词修饰由some-,any-,no-,every-构成的不定代词时,形容词要放在这些不定代词的之后.e.g.Isthereanythinginterestingintoday’snewspaper?Thetreesturngreeninspring.Wearealoneontheisland.只能作表语，不能作定语的形容词你能说出几个？aloneafraidawakeasleepaliveable形容词和宾语一起构成复合宾语．e.g.Wemustkeeptheclassroomclean.Hemadeushappy.Colouritgreen.Let’sfillintheblanks,词尾变化原级比较级最高级单音节词在词尾加-er(比较级)或-est(最高级)tallhard以不发音的e接尾的词加r或stlargewide以重读闭音节结尾的词,应双写辅音字母再加er或estbighot以辅音字母加y结尾的词变为i再加er,或esthappydry多音节词和多数双音节词在其前面加more和mostdifficultpopular1.规则变化tallertallestharderhardestlargerlargestwiderwidestbiggerbiggesthotterhottesthappierhappiestdrierdriestmoredifficultmostdifficultmorepopularmostpopular原级goodwellbadillmanymuchlittlefarold比较级最高级2、不规则变化bestbetterworseworstmoremostlessleastfartherfarthestfurtherfurthestolderoldesteldereldest可用much,still,alittle,even,far,threeyears等表示程度的状语来修饰比较级*SheismuchtallerthanMrs.Liu.*HeisthreeyearsolderthanI.*Thisproblemisalittlemoredifficultthantheotherone.TomisastallasMike.as+形容词原形+asThereareasmanystudentsinourschoolasyours.Idon’thaveasmuchmoneyasyoudo.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.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.Thistruckisbigenoughtocarry5tons.so+形容词原级+that丛句such+名词＋that丛句Heissobigthathecan’tentertheroombythedoor.…too+原级+todosth.Heistooyoungtojointhearmy.形容词原级+enoughtodosth.倍数词/half+as+形容词原形+asTomisthreetimesasoldasMike.Myschoolistwice/halfaslargeasYours.比较级+than…Thisbridgeislongerthanthatone.Ourschoolislargerthantheirs.倍数词+比较级+than…Ourschoolisthreetimeslargerthantheirs.HeisthreeyearsolderthanI.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。“The+比较级…，the+比较级…”“…比较级+and+比较级…”Thesmallerthehouseis,thelessitwillcostustheheat.Inspring,thedaysaregettinglongerandlonger.the+比较级+ofJhonisthetallerofthetwo.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“less+原级+than…”Whichislonger,thisoneorthat?Thisparkislessbeautifulthanthatone.…oneofthe+最高级+名词复数…最高级+of(in/among)…Thisis/wasthe最高级+名词+that定语从句LuXunisoneofthegreatestwriterslastcentury.ThisistheworstfilmthatIhaveseentheseyears.Ofallthemoviestars,IthinkZhangZiyiisthebest.掌握几种同义句转换1.HeistallerthanI.=Iamnotas/sotallashe.2.IstudyharderthanLiMing.=LiMingdoesn’tstudyashardasI.3.Heistallerthananyotherstudentinhisclass.=Heistallerthantheotherstudentsinhisclass.=Noone/Nobodyistallerthanheinhisclass.=Heisthetallest(student)inhisclass.4.IprefermathstoEnglish.=IlikemathsbetterthanEnglish.5.Theboxistooheavyforhimtocarry.=Theboxissoheavythathecan’tcarryit.=Theboxisnotlightenoughforhimtocarry.注意点1.形容词最高级前一定要用the，副词最高级前可省略2.在比较级中为了避免重复，在than后常用one，that，those等词来替代前面提到过的名词*Thispenisshorterthanthatone.*TheweatherhereiswarmerthanthatofShanghai.3.用or连接两项需作比较的内容时，须用比较级；若or连接三项或三项以上的内容时，则须用最高级*Whoistaller,MaryorJane?*Whichisbiggest,thesun,themoonortheearth?1.Thebreadis____thanthesecakesA.verydeliciousB.muchdeliciousC.moredeliciousD.asdelicious2.LinTaojumped____inthelongjumpintheschoolsportsmeetingA.farB.fartherC.farthestD.quitefar3.Whentheymetinthehotel.Theytalkedandlaughed______A.happilyB.happyC.happierD.happiestCCA4.Inourcityit’s____inJuly,butitiseven____inAugustA.hotterhottestB.hothotC.hotterhotD.hothotter5.HainanisaverylargeIsland.Itisthesecond______islandinchina.A.largeB.largerC.largestD.mostlargest6.Anelephantis____thanatiger.A.heavyB.veryheavyC.theheaviestD.heavierDCD7.Ahorseis______thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavy8.Emmaalwaysmakesalotofmistakes.Sheis_____.A.careB.carefulC.carefullyD.careless9.Whichsubjectis_____,physicsorchemistry?A.interestingB.mostinterestingC.moreinterestingD.themostinterestingCDC10.Heis___enoughtocarrytheheavybox.A.strongB.strongerC.muchstrongerD.thestrongest11.Lileioftentalks___butdoes___soeveryonesaysheisagoodboy.A.lessmoreB.fewmuchC.morelittleD.littlemanyAA()1Whogetshomeusually____inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,____.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran____thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB()4Don’tworry.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()1Whogetshomeusually____inyourfamily?A.thelatestB.laterC.earlyD.aslate()2Themorewelookedatthepicture,____.A.welikeitlessB.thelesswelikeditC.betterwelikeditD.itlookedbetter()3Whatapity.Lucyran____thanLily.A.afewmoreslowlyB.alittlemoreslowlyC.muchmoreslowlyD.littleslowlierABB()4Don’tworry.Yourbabyislookedafter____here,thenursearevery____.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless,care()5Theideabecame____.Hewantedtotry____.A.strangly,itoutB.strang