比较级最高级

形容词和副词的比较级和最高级Unit3-4形容词：是修饰名词（人或事物），表示名词的性质、特征或属性的一种词类。它在句中作定语、表语和宾语补足语。副词：用来修饰动词、形容词及其他副词的词叫副词。副词在句中多作状语.

一、形容词和副词的概念①形容词作定语一般放在被修饰的名词之前。如:

anew

book,two

bigtrees,

a

luckyboy等。二、形容词和副词的用法②形容词放在系动词be、look、get、keep、turn、feel、become、seem、taste、smell、sound等之后。如:1.Iamshortandheavy.2.Shelooksfine.3.Thetreesturngreen.4.Hefeelshappy.5.Thatsoundsinteresting.6.Ifeelwell.(adj.)③如果形容词修饰不定代词something,anything,everything,nothing等时，要放在不定代词后面。如:somethingspecialnothingnew

somewhereinterestingsomethingelse④副词放在所修饰的动词之后，形容词和副词之前。如果前面是行为动词，则后面用副词。如:1.Sheworkshard.（修饰动词）

2.Iam

verybusy.（修饰形容词）

3.Herunstoo

quickly.（修饰副词）

4.Weplayhappily.（修饰动词）

5.Ilikemathverymuch.

（修饰动词）⑤通常在形容词后加-ly变成副词。slow→______real→______usual→______careful→______easy→______happy→______heavy→______angry→______lucky→______safe→______terrible→______true→______slowlyusuallyeasilyheavilyreallycarefullyhappilyangrilyluckilysafelyterriblytruly⑥下列词既是形容词又是副词如:hard,late,early,far,near,alone,straight,fast等

Heworkshard.(副词，努力地）

It’shardwork.(形容词，难的)Sheisaloneathome,butneverfeellonely.ShelivesaloneinShanghai.(adv.)Theystoodtherestraight.(adv.)Shehasstraight,blackhair.(adj.)Heissoearlyeveryday.(adj.)Hegetsupearlyeveryday.(adv.)形容词，副词原级用法形容词原级可以被very,quite,pretty,so,(much)too,rather(相当),enough(足够的)等词的修饰1)very非常

Thisisaveryinterestingbook.这是一本很有趣的书。2)quite相当

It'squitecoldthismorning.今天早晨相当冷。3)so那么Youaresofast.你那么快。4)rather相当Ithinkyou‘reratherunkindnottostay.

我想你不留下来有点太不友善了。5)enoughHeisoldenoughtolookafterhimself.

他足够大可以照顾自己了。2.在as...as和notso...as的中间形容词常用原级1)as...as表示相等

Thisknifeisassharpasthatone.这把刀和那把一样锋利。HeisastallasI.他的个子和我一般高。2)notso...as,notas...as表示"不如"He’snotsocleverashisbrother.=Hisbrotherisclevererthanhim/he.他不像他的兄弟那么聪明。补充：Sheisn’tsobeautifulashersister.=Sheislessbeautifulthanhersister.3)数词+times+as+adj.+as表倍数Theearthis49timesasbigasthemoon.地球是月亮的49倍那么大。大多数形容词（性质形容词）和副词有比较级和最高级的变化，即原级、比较级和最高级，用来表示事物的等级差别。原级即形容词的原形，比较级和最高级有规则变化和不规则变化两种。

一、构成的规则变化:1、单音节词和少数双音节词一般在词尾加-

er或-este.g.

cold–colder–coldestnice—nicer–nicest2、重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。

big–bigger–biggestthin–thinner–thinnest3、以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。

e.g.easy–easier–easiesthappy–happier–happiesthealthy–healthier--healthest

4、多音节词和部分双音节词在词前加more或most。

e.g.delicious–moredelicious–mostdeliciousinteresting–moreinteresting–mostinteresting注意：1)由形容词+ly变化而来的副词要加more,或most例如happilymorehappilymosthappilyslowlymoreslowlymostslowly2)由分词转化过来的形容词tired要加more或mosttiredmoretiredmosttired

不规则变化原级比较级最高级

good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfarther(距离上更远)farthestfurther(程度上更深)furthestoldolder(更老/旧的，年龄更大的)oldestelder（年长的）myeldersister我姐姐important

_______________________________

easy______________________________________wet_______________________________________happy____________________________________careful__________________________________thin___________________________________good____________________________________hot______________________________________easily____________________________________many____________________________________nice____________________________________big_____________________________________heavy__________________________________delicious________________________________much____________________________________给出下列词的比较级和最高级

moreimportantmostimportanteasiereasiestwetterwettesthappierhappiestmorecarefulmostcarefulthinnerthinnestbetterbesthotterhottestmoreeasilymosteasilymoremostnicernicestbiggerbiggestheavierheaviestmoredeliciousmostdeliciousmoremost

三、用法：

比较级:1、表示两者(人或事物)的比较。用A+be+比较级+than+B.

e.g.IamtallerthanTom.Mydressismorebeautifulthanhers.2、much,even,still,alittle，alot,(by)far修饰比较级表示“……得多”,“甚至……”,“更……”,“……一些”。

Thiscityismuchmorebeautifulthanbefore.

She’salittlemoreoutgoingthanme.

It’salotcoldertoday.

3、“比较级＋and＋比较级”意为“越来越……”。多音节比较级用“moreandmore＋形容词原级”形式。

Thecomputerischeaperandcheaper.

计算机越来越便宜Theweatherisgettingcolderandcolder.天气越来越冷。Thegirlbecomesmoreandmorebeautiful.这个女孩长得越来越漂亮。Thedaysbecomelongerandlonger.天变的越来越长。Wearewalkingmoreandmoreslowly.我们走得越来越慢。4、“Which/Whois+比较级,AorB？”比较A、B两事物,问其中哪一个较……时用此句型。

e.g.WhichT-shirtisnicer,thisoneorthatone?Whoismoreactive,MaryorKate?5表示主语随另一方的程度而变化时，用“the+比较级（主语+谓语），the+比较级（主语+谓语）”的结构。

例如：Theharderheworks,thehappierhefeels.他越努力工作越感到幸福。Thehigherwewentupthemountain,thecolderitbecame.越往山的高处爬越冷。Themoretheytalked,themoreencouragedtheyfelt.他们交谈的越多，就越感受到鼓励。6）the+比较级+ofthetwo.(两个之中比较…的那一个)Tomisthetallerofthetwo.=Tomistallerthantheotherboy..汤姆是两个人中较高的一个。Sheisthemorebeautifulofthetwosisters.她是两姐妹中较美的一个。Heistheclevererofthetwins.他是双胞胎中较聪明的一个。最高级

1.三者或三者以上相比，表示最高程度时，用“the+形容词最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。

ZhangHuiisthetallestofthethree.

张辉是三个人中最高的。

Heworks(the)hardestinhisclass.

他是班级中最用功的学生。注意：副词的最高级the通常省去。2）Who/Which+be+the+最高级,A,B,orC?Whoisthetallest,Tom,Jack,orDavid?Tom,Jack与David三个人中谁最高？

Whichisthemostexpensive,abicycle,amotorcycle,oracar?自行车，摩托车和汽车，哪一个最贵？3）…+be+oneofthe+最高级+复数名词,表示"最……的……之一"。

TheYellowRiverisoneofthelongestriversinChina.黄河是中国最长的河流之一。

4）"…+be+the+序数词+最高级+单数名词+范围",表示"……是…….的第几……"。

Sheisthesecondtalleststudentinourclass.她是我们班第二高的学生。

比较级和最高级之间的转化Timisthetallestinhisschool.Timistallerthananyotherstudentinhisschool.最高级可以和比较级+than+anyother+单数名词转换小试身手Sheisthemostbeautifulgirlinherclass.Tedrunsfastestinourschool.Sheismorebeautifulthananyothergirlinherclass.Tedrunsfasterthananyotherstudentinourschool.注意1.Thenewbuildingishigherthantheoldone.Thoseapplesarebiggerthantheseones.2.Hisshirtismoreexpensivethan

mine.如果主语是物主代词+名词，那么后面要用名词性物主代词。比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或as之后不要漏掉可能出现的替代词that，those,one,ones.注意3.Kateismorebeautiful

thanLilyis.

Sheisfiveyearsolder

thanIam.

Idrinkmoreteathanhe(does).than前后句子的时态相同。通常用be动词、情态动词can,may,must,could,should和助动词do,does,did,will，have等来简答。4.Ihavemorepensthanyou(do).many,much,little,few等词必须带名词。注意5.Thecityisoneofthemostbeautifulcities

intheworld.oneof+the+最高级+复数名词

Which/Who…+比较级，AorB?Which/Who…+最高级，A，BorC?6.Whoisolder,JimorTom?Whoisthetallest,Jim,MikeorTom

Quiz一）写出下列形容词与副词的比较级与最高级形式：long___________wide_____________fat_________heavy__________slow_____________few_________brightly____________________badly____________far____________________________quickly___________happy_____-______tired_________________longerlongestwiderwidestfatterfattestheavierheaviestslowerslowestfewerfewestmorebrightlymostbrightlyworseworstfarther/furtherfarther/farthestmorequicklymostquicklyhappierhappiestmoretiredmosttiredExercises选择填空：1．Hefeels_____todaythanyesterday.A.tiredB.moretiredC.moretirederD.muchtired2.Whichdoyoulike_____,coffee,teaormilk?A.theworstB.worseC.theworseD.worst3.Ofthetwotoys,thechildchose_____.A.theexpensiveoneB.onemostexpensiveC.aleastexpensiveD.themoreexpensiveofthem4.Thelineis____thanthatone.A.morelongerB.notlongerC.muchmorelongerD.manymorelonger5.Theearthis_____themoon.A.as49timesbigasB.49timesasbiggerasC.49timesasbigasD.asbigas49times6.Thebookis____ofthetwo.A.thinnerB.thethinnerC.morethinnerD.thethinnest7.Shelooks_____thanshedoes.A.themoreolderB.veryolderC.mucholderD.moreolder8.Thegardenisbecoming______.A.morebeautifulandmoreB.morebeautifulandbeautifulC.moreandmorebeautifulD.morebeautifulandbeautifuler9.Theycompeted（比赛）toseewhocouldwork_____.A.thefastandbestB.thefasterandthebetterC.fastestandbetterD.fasterandbetter10.______hurry,_______speed.A.More,lessB.Much,littleC.Themore,thelessD.Themuch,thelittle11.Thiskindofcoffeeisdifferent______.anditisalsobetterB.andbetterthantheotherC.butalsothanothersD.fromtheother,andbetter12.Ifyouwanttobethinnerandhealthier,you’dbettereat____foodandtake____exercise.A.more,fewerB.more,lessC.fewer,moreD.less,more13.Heis___ofthetwoboys.tallB.tallerC.tallestD.thetaller14.He’snotso____ashisbrother.strongB.strongerC.thestrongerD.thestrongest15.Mum,thisT-shirtismuchtoosmallforme.Wouldyoubuymea____one?goodB.betterC.largeD.larger16.Whichdoyoulike____,teaorcoffee?goodB.betterC.bestD.thebetter（）17.Heisoneof

﹍﹍inourcountry.

A.themostpopularsinger

B.themostpopularsingers

C.themorepopularsingers

D.mostpopularsingers（）18.－Whichdoyouprefer,vegetablesorfruit?

－Ipreferfruit____vegetables.

A.to

B.than

C.of

D.and（）19.TheweatherinBeijingisas﹍﹍inShanghaitoday.

A.wetterthantheweather

B.wetastheweather

C.wetthanthat

D.wetasthat

19.Thisbookis﹍﹍thatone.notsointerestingB.moreinterestingthanC.asmoreinterestingasD.interestingthan20.Ithinkmathsisnot﹍﹍English.A.easierB.lesseasyC.easyD.soeasyas不改变意思，改写下列句型Thisboxis12kg.Thatboxis14kg.Thisboxis________thanthatone.Thatboxis________thanthisone.Ilikechickenbetterthanfish.I

________chicken_______

fish.lighterheavierpreferto1）Maryis10yearsold.Lilyis12yearsold.Maryis_____________thanLily.Lilyis_____________thanMary.2）LinTaoisthetallestboyinhisclass.

LinTaois

_________________anyother_________inhisclass.3）Scienceisnotsointerestingasmusic.

Scienceis______________thanmusic.

Musicis

______________thanscience.youngeroldertallerthanboymoreboring/lessinterestingmoreinteresting用括号中形容词或副词的适当形式填空

1）Thisparkismuch_____________thanthatone.(beautiful)

2）I’ma_____________boyinthesun.(happy)

3）Whichbookis

________________,yoursormine?(thick)

4）Mymotherdrivesas

________________asmyfather.(good)

5）Whois______________thanI,heorshe?(old)

morebeautifulhappythickerwellolder翻译句子：1．这本书跟那本书一样有趣。Thisbookis__________________thatone.2．你游泳没有你弟弟好。Youcan’tswim________________yourbrother.3．今天比昨天冷的多。Itis___________today______itwasyesterday.4．对这个故事比另一个激动人心得多。Thisstory