初中英语人教版八年级上册unit4 Grammer.ppt

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1、Unit4What’sthebestmovietheater?形容词最高级的构成A:tallshortquickthicklightcoolwarmquietwildcalmthe--esttalltallertallestB:heavyeasytidydrybusyhappyhealthyhungryearlyy--i--esten.12999.comC:largelatenice--stbiggestD:bighothottestthin“双写”thinnestwetwettestfatfattestAdjectiv

2、edeliciousdangerousinterestingpopularbeautifulcarefulfriendlythemost--adj.Adjectivebetterbestfarlittleworseworstmoremostfartherfarthestlessleastgoodwellbadbadlymanymuch用法：英语中三者或三者以上相比较，表示“最……”这样的最高程度概念时，要用“the+最高级”的结构表示。这种句式一般带有表示比较的介词短语，比如:inourclass,ofthethree等

3、。例如：WangLinisthetallestinourclass.Thistheateristhecheapestofthethree.注意使用最高级时应注意以下几点：形容词的最高级基本结构：1.The最高级+of/in/among…..三者或三者以上最。。。。Eg:Theappleisthebiggestofthefour.2.Oneofthe+最高级+复数名词Eg：Parisisoneofthelargestcitiesintheword.3.The+序数词+最高级Eg:TheYellowRiveristhesec

4、ondlongestriverinChina.4.Which/who+be+the+最高级，A，B，orC?Eg:Whichisthetallest,Tom,Jim,orMike?1.形容词最高级前要加定冠词the,副词最高级前可省。Eg:Sheisthetallestgirlinourclass.Herunsfastestofalltheboys.2.当最高级前面有物主代词或名词所有格时，不加定冠词the。例如：TomisLucy’sbestfriend.Tuesdayisherbusiestday.2.形容词比较级和

5、最高级的构成规则变化一般情况下，单音节或双音节的形容词比较级直接加-er,最高级直接加-est。如：clever—cleverer—cleverestcheap—cheaper—cheapestfew—fewer—fewestsmall—smaller—smallestyoung—younger—youngesten.12999.comb.以-e结尾的形容词，比较级+-r,最高级+-st。如：large—larger—largestnice—nicer—nicestcute—cuter—cutestc.以辅音字母+y结尾

6、的形容词，变y为i+er或+est。busy—busier—busiestheavy—heavier—heaviesteasy—easier—easiesthappy—happier—happiestdirty—dirtier—dirtiesten.12999.comd.以重读闭音节结尾，末尾只有一个辅音字母结尾的词，双写最后一个辅音字母，再加+er或+est。如：big—bigger—biggestthin—thinner—thinnestfat—fatter—fattesthot—hotter—hotteste.多音

7、节和部分双音节形容词，需在原级前+more构成比较级，+most构成最高级。如：important—moreimportant—mostimportantbeautiful—morebeautiful–mostbeautifuldifficult—moredifficult—mostdifficult3.不规则变化：原级比较级最高级good/wellbetterbestbad/illworseworstlittlelessleastmany/muchmoremostfarfarther/furtherfarthest/f

8、urthestoldolder/elderoldest/eldesten.12999.comExercises一、写出下列单词的比较级和最高级。good_____comfortable_____far_____big_____bad_____friendly_____popular_____much_____funn