八年级英语形容词比较级和最高级

会计学1八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．第1页/共34页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?作定语第2页/共34页Thetreesturngreeninspring.Wearealoneontheisland.只能作表语，不能作定语的形容词你能说出几个？aloneafraidawakeasleepaliveable作表语第3页/共34页形容词和宾语一起构成复合宾语．e.g.Wemustkeeptheclassroomclean.Hemadeushappy.作宾语补足语Colouritgreen.第4页/共34页Let’sfillintheblanks,

形容词的比较级和最高级构成规则变化不规则变化第5页/共34页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mostdifficultpopular

1.规则变化tallertallest

harderhardestlargerlargestwiderwidestbiggerbiggesthotterhottesthappierhappiestdrierdriestmoredifficultmostdifficultmorepopularmostpopular第6页/共34页原级goodwellbadillmanymuchlittlefarold比较级最高级2、不规则变化bestbetterworseworstmoremostlessleastfartherfarthestfurtherfurthestolderoldesteldereldest第7页/共34页

可用much,still,alittle,even,

far,threeyears等表示程度的状语来修饰比较级

*Sheis

much

tallerthanMrs.Liu.

*Heis

threeyears

olderthanI.

*Thisproblemis

alittle

moredifficultthantheotherone.第8页/共34页形容词原级的常用句型Tomisas

tallasMike.

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.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Heissobigthathecan’tentertheroomby

thedoor.…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+as

Tomisthreetimesas

oldasMike.Myschoolistwice/halfas

largeasYours.第12页/共34页

比较级+than…形容词比较级的常用句型Thisbridgeislongerthanthatone.

Ourschoolislargerthantheirs.

倍数词+比较级+than…

Ourschoolisthreetimeslargerthantheirs.

HeisthreeyearsolderthanI.第13页/共34页

more(less)thanSheismorethanthirty.Thelightestboxweighslessthan50kilograms.moreorless

Theproblemismoreorlesssolved.

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+and+比较级…”Thesmallerthehouseis,thelessitwillcostustheheat.

Inspring,thedaysaregettinglongerandlonger.

第15页/共34页the+比较级+ofJhonis

thetallerof

thetwo.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“less+原级+than…”Whichislonger,thisoneorthat?Thisparkislessbeautifulthanthatone.

第17页/共34页…oneofthe+最高级+名词复数形容词最高级的常用句型…最高级+of(in/among)…Thisis/wasthe最高级+名词+that定语从句LuXunisoneof

thegreatestwriterslastcentury.

ThisistheworstfilmthatIhaveseentheseyears.

Ofallthemoviestars,IthinkZhangZiyiisthebest.

第18页/共34页掌握几种同义句转换

1.HeistallerthanI.

=Iamnotas/sotallashe.

2.IstudyharderthanLiMing.=

LiMingdoesn’tstudyashardasI

.第19页/共34页3.Heistallerthananyotherstudentinhisclass.=Heistallerthantheotherstudentsinhisclass.=Noone/Nobodyistallerthanheinhisclass.=Heisthetallest(student)inhisclass.第20页/共34页

4.IprefermathstoEnglish.

=IlikemathsbetterthanEnglish.

5.Theboxistooheavyforhimtocarry.

=Theboxissoheavythathecan’tcarryit.=Theboxisnotlightenoughforhimtocarry.第21页/共34页注意点

形容词最高级前一定要用the，副词最高级前可省略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.第22页/共34页

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?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.happiestCCPracticeA第24页/共34页4.Inourcityit’s____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()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()4Don’tworry.Yourbabyislookedafter____here,thenursearevery____.A.careful,carefullyB.carefully,carefulC.care,carelessD.careless