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1、八年级(下)期末复习二形容词、副词的比较级和最高级comparativesandsuperlativeswithadj.andadv.板桥中学秦义大多数形容词和副词有三个等级:原级、比较级、最高级。一、构成规则及变化:1、规则变化2、不规则变化形容词、副词的比较级和最高级1.规则变化:1)单音节词和少数双音节词一般在词尾后加-er构成比较级或-est构成最高级.如:原级比较级最高级cold–——colder–——coldestbright———brighter———brightestyoung——younger——youngest
2、2)以字母e结尾的词只加–r或-st构成比较级和最高级。原级比较级最高级nice———nicer–———nicestfine———finer————finestlarge——larger————largest3)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。如:big–bigger–biggestthin–thinner–thinnest4)以“辅音字母+y”结尾的双音节词,先改y为i,再加-er或-est。如:easy–easier–easiesthappy–happier–happiest5)多
3、音节词和部分双音节词在词前加more或most。如:delicious–moredelicious–mostdeliciousinteresting–moreinteresting–mostinterestingimportant—moreimportant—mostimportantcarefully---morecarefully--mostcarefullyquickly---morequickly---mostquicklyslowly---moreslowly---mostslowlyeasily---moreeasil
4、y---mosteasily2.不规则变化:原级比较级最高级good/wellbetterbestbad/badly/illworseworstlittlelessleastmany/muchmoremostfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest现学现练一:1.good2.comfortable3.big4.happy5.cheap6.many7.difficult8.littlebetterbestmorecomfortablemostcomf
5、ortablebiggerbiggesthappierhappiestcheapercheapestmoremostmoredifficultmostdifficultlessleast二、形容词和副词比较级的用法1.Whorunsfaster,heorshe?2.Herunsfasterthanshe.3.Herunsmuchfasterthanshe.4.Hebecomeshealthierandhealthier.5.Themoreyouexercise,thehealthieryouwillbe.6.Sheislesshe
6、althythanhe.1.表示两者之间的选择,可用“Which/Who…+比较,…or…?”.2.表示两者之间的比较,通常用连词than引导,表示“更······一些”.3.much/far/alot,even,still,alittle/abit…修饰比较级,表示程度.Whorunsfaster,heorshe?Herunsfasterthanshe.Herunsmuchfasterthanshe.4.“比较级+and+比较级”表示“越来越……”5.“the+比较级,the+比较级”表示“越…,越…”6.表示不及另一方时,用“
7、less+原级+than…”(双音节和多音节词)Hebecomeshealthierandhealthier.Themoreyouexercise,thehealthieryouwillbe.Sheislesshealthythanhe.Heishealthierthanshe.Shanghaiisbecomingmoreandmoremodern.现学现练二:1.比较级+and+比较级越来越…2.the+比较级,the+比较级 越…,越…3._______________youare,_________mistakesyouwi
8、llmake.(你越仔细,做错的题目就越少)4.__________youeat,_________you’llbe.(你吃得越多,就越胖)5.Alicewriteswell.Marywrites_________________thanshe.(