语法精讲 英语比较级.ppt

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1、形容词与副词的比较等级bigbig◇Lookatthepicturesandunderstandbigbigger◇Lookatthepicturesandunderstand◇Lookatthepicturesandunderstandbigbiggerbiggestfast◇Lookatthepicturesandunderstandfastfaster◇Lookatthepicturesandunderstandfastfasterfastest◇Lookatthepicturesandunderstand一、形容词和副词比较级和最高级的构成1、规则变化构成方法原级比较级最高级单音

2、节词和少数多音节词一般在词尾加-er或-estcoldcoldercoldestfastfasterfastest以字母e结尾的形容词，加-r或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-es或-estbigbiggerbiggesthothotterhottest以“辅音字母+y”结尾的双音节词，先改“y”为“i”,再加-er或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加more或mosttiredmoretiredmosttiredea

3、silymoreeasilymosteasily原级比较级最高级good/wellbetterbestbad/badlyworseworstmany/muchmoremostlittlelessleastfarfartherfarthestfurtherfurthest一、形容词和副词比较级和最高级的构成2、不规则变化二、形容词和副词的比较级和最高级的用法■基本用法1、表示“和……一样……”，用“as+原级(positivedegree)+as”结构。2、表示“不如……”用“notas/so+(positivedegree)+as”结构或“less+原级+than”结构eg:Helikes

4、herasmuchashelikeshissister.eg:Hedoesnotsmokeas/soheavilyashisbrother.Hesmokeslessheavilythanhisbrother.二、形容词和副词的比较级和最高级的用法3、表示“比……更……”用“比较级(comparativedegree)+than”结构。.■基本用法4、表示“……中最……”用“最高级(superlativedegree)+比较范围”结构,比较范围为短语从句(of+人/物，in+地方)。eg:Sheseesmemoreoftenthansheseesherbrother.eg:Thisisthe

5、bestpictureinthehall.Thisisthebestpicturethathehaspainted.形容词和副词的最高级中译英1.在这四个男孩中，他最聪明.2.在我们班,哪门学科最受欢迎?3.在你家,谁起床最早?4.谁做作业最仔细,Lily,Lucy还是Kate?5.上海是世界上最大城市之一.6.谁是我们班第二高的男孩?Heisthecleverestofthefourboys.Whichsubjectisthemostpopularinourclass?Whogetsuptheearliestinyourfamily?Whodoeshomeworkthemostcaref

6、ully,LilyLucyorKate?Shanghaiisoneofthelargestcitiesintheworld.Whoisthesecondtallestboyinourclass?考试热点A1.Theiceinthelakeisasasitwasbefore.A:thinB.thinnerC.thinnestD.thethinnest2.---HowcanIspeakEnglishyou?----You'dbetterspeakmore.Ithink.A．asgoodasB.morethanC.aswellasD.asmuchas3.Inordertokeephealthy,

7、youshouldeatfastfood.__freshvegetablesandtakeenoughexercise.A．fewer,fewerB.less,moreC.fewer,moreD.less,less4.Whichisthe___,thesun,themoon,ortheearth?A.smallB.smallerC.smallestD.thesmallestBBDHomeworkNowIwillhando