比较级和比较结构课件.ppt

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1、比较等级与比较结构ComparisonandComparativeConstruction讲解提纲形容词与副词的比较等级比较结构的三大类型as…as…more…than…themost…比较结构的其它形式形容词与副词的比较等级三个等级：原级Positive/AbsoluteDegree比较级ComparativeDegree最高级SuperlativeDegree比较级和最高级的形式规则不规则规则形式综合形式SyntheticForm加后缀-er；-est分析形式AnalyticForm在原级前加more；most构成法原级比较级最高级一般单音节词tallfasttallerfa

2、stertallestfastest结尾为辅音闭音节单音节词bigbiggerbiggest双音节clevercleverermoreclevercleverestmostclever结尾为辅音字母+y的双音节词easyeasiereasiest多音节词importantmoreimportantmostimportant规则形式不规则形式原级比较级最高级goodbetterbestwellbadworseworstilloldolder/elderoldest/eldestmuch/manymoremostlittlelessleastfarfarther/furtherfar

3、thest/furthest没有比较等级的词语right,wrong,excellent,perfect,final,whole,ultimate,entire,fatal,spontaneous,univeral,extreme,etc.比较结构类型as…as…more…than…themost…as…as…基本形式as+adj/adv原级+as分句否定形式notso/as+adj/adv原级+as分句less…than…Examples:JohnisasbrightasBob.Johnisnotas/sobrightasBob.JohnislessbrightthanBob.

4、as…as…变体形式asmuch/many+名词+as分句e.g.Hetookasmuchbutterasheneeded.Shehaswrittenasmanyessaysasherbrother.as+adj.原级+名词词组+as分句e.g.GeorgeisasefficientaworkerasJack.=Georgeisaworker(whois)asefficientasJack.基本用法主语不同，比较项目相同(不同事物的同一方面)e.g.Thegirlwasasbrilliantashersister.Johndoesn’tbehaveas/sopolitelyasB

5、ob.主语相同，比较项目不同（同一事物的两个方面）e.g.Thegirlwasasbrilliantasshewasbeautiful.Heisnotsowiseasheiswitty.主语不同，比较项目也不同（不同事物的不同方面）e.g.Thisswimmingpoolisn’ttwiceaswideasthatoneislong.Hisunclewasasbaseandunworthyashisfatherhadbeenuprightandhonorable.as…as与bad,much连用时，常置于句首，引导让步状语从句。译为“尽管……”：As/Sobadasheis,he

6、hashisgoodpoints.Asmuchasshehatedcruelty,shecouldn’thelpwatchingthefight.asgoodas（此处不涉及比较级）=ineffect,practically,译为“实际上（等于）”。例如：Whathesaidhasasgoodasshownhisattitude.Theyhaveasgoodaspromisedtohelpus.Thepatientisasgoodascured.more…than…基本形式adj/adv比较级+than分句否定形式less…than…notso/as+adj/adv原级+as分句

7、JohnisbrighterthanBob.Thiscarrunslessfastthanthatone.(Thiscarrunsslowerthanthatone.)Thiscardoesn’trunso/asfastasthatone.比较级前可加数词表示确切的度量e.g.Heistwoinchestallerthanhisfather.Hecametwentyminutesearlierthantheothers.不定冠词/零冠词+形容词比较级+n.+than分句e.g.J