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《形容词比较级和最高级.ppt》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、形容词比较级和最高级的构词规则一、规则变化1.单音节和少数双音节单词，一般在词尾加“er”或“est”。clean,tall,small,cheap,short,long,light,high2.以不发音字母“e”结尾的单词，直接在词尾加“r”或“st”。nice,late,close,fine,large,free,rude以重读闭音节结尾的单词，如果词尾只有一个辅音字母时，应先双写这一辅音字母，再加“er”或“est”。fat,big,red,thin,hot,fat,sad,wet以辅音字母+y
2、结尾的单词，应先改“y”为“i”，在加“er”或“est”。happy,easy,heavy,healthy,busy,lucky,pretty,sunny,funny5、其他双音节单词和多音节单词，都在其前面加“more”或“most”。(beautiful,interesting)二、不规则变化。合二为一共三对:“坏bad”,“病ill”的比较级为worse,最高级为worst.两多many/much”的比较级为more,最高级为most.“两好good/well”的比较级为better,最高级为
3、best.一分为二只两个，一是“远far”的比较级为farther/further,最高级为farthest/furthest.二是“老old”的比较级为older/elder，最高级为oldest/eldest.还有一词little“少”的比较级为less,最高级为least.Readandcompare:younglongfullshortsmalloldfineeasyhungryearlyheavybigredyoungeryoungestlongerlongestfullerfullests
4、hortershortestsmallersmallestolderoldestfinerfinesteasiereasiesthungrierhungriestearlierearliestheavierheaviestbiggerbiggestredderreddesthealthymanyfamousillexcitingcarefullywethotlittlefewhealthierhealthiestmoremostmorefamousmostfamousworseworstmoreexc
5、itingmostexcitingmorecarefullymostcarefullywetterwettesthotterhottestlessleastfewerfewestI.原级用法:***1.as+adj/adv.的原级+as(肯,否),(not)so…as(否)eg.Therulerisaslongasthatone.HesingsaswellasJack.Hedoesn’tsingas(so)wellasJack.2.asmuchas,asmanyas与…一样多eg.Ihavedonea
6、smuchworkashedidyesterday.Youcantakeasmanybooksasyoucan.II.比较级用法:1.比较级+than比较级+and+比较级,表示“越来越”eg.warmerandwarmer,nicerandnicer,moreandmorebeautiful,moreandmorefunthe+比较级…the+比较级eg.Themoreyoureadthebook,themoreinterestingyoufound.***4.比较级的修饰语有:much,far,e
7、ven,alittle,alot,abit,rather,still,agreatdeal(大量)+adj./adv.比较级5.当比较级后没有than,而为ofthetwo的结构,比较级前加the.eg.ThetallerofthetwogirlsisMary.最高级用法:1.形容词最高级用于in,of或among的结构中,形容词最高级前+theegIamthebestof(among)thethree.Heisthethinnestboyinmyclass.2.副词最高级不需+theeg.Jimgo
8、estobedlatestinmyfamily.)(单数)city2.比较级和最高级互换(比较时要把自己排除在外。注意比较的范围)eg.ShanghaiisthelargestcityinChina.ShanghaiislargerthananyotherinChina.Johnisthinnerthananyotherstudentintheclass.Johnisthinnerthanintheclass.eg:Johnisthethinnestst
