八年级上册课件unit4SectionA-2VIP专享VIP免费

Unit4What’sthebestmovietheater?复习：形容词最高级的构成A:tallshortquickthicklightcoolwarmquietwildcalmthe--esttalltallertallestB:heavyeasytidydrybusyhappyhealthyhungryearlyy--i--estC:largelatenice--stbiggestD:bighothottestthin“双写”thinnestwetwettestfatfattestAdjectivedeliciousdangerousinterestingpopularbeautifulcarefulfriendlythemost--adj.Adjectivebetterbestfarlittleworseworstmoremostfartherfarthestlessleastgoodwellbadbadlymanymuch1.good2.comfortable3.big4.happy5.cheap6.many7.difficult8.littlebetterbestmorecomfortablemostcomfortablebiggerbiggesthappierhappiestcheapercheapestmoremostmoredifficultmostdifficultlessleastWhat’sthebestmovietheatertogoto?TownCinema.It’stheclosesttohome.Andyoucanbuyticketsthemostquicklythere.Whichistheworstclothesstoreintown?DreamClothes.It’sworsethanBlueMoon,ithastheworstservice.Whatdoyouthinkof970AM?Ithink970AMisprettybad.Ithastheworstmusic.Grammarfocus1.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。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(1)“……”表示最之一的句式，要用oneofthe+形容词最高级+复数名词。例如：JingjiangHotelisoneofthebiggesthotelsinourcity.Lisaisnotofmybestfriends.(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.(3)最高级前可加序数词。例如：TheYellowRiveristhesecondlongestriverinChina.(4)形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往省略。例如：Heisthelaziest(student)inourclass.2.形容词比较级和最高级的构成(1)规则变化a.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—youngestb.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结尾的形容词，变y为i+er或+est。busy—busier—busiestheavy—heavier—heaviesteasy—easier—easiesthappy—happier—happiestdirty—dirtier—dirtiestd.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/furthestoldolder/elderoldest/eldestExercises一、写出下列单词的比较级和最高级。good_____comfortable_____far_____big_____bad_____friendly_____popular_____much_____funny_____well_____dull_____easy_____close_____creative_____二、根据要求写出单词。1.bad(比较级）______2.do(过去式）_____3.best(原级）_______4.expensive(反义词）______5.big(最高级）_______6.report(名词）_______7.friend(形容词）_______8.beach（复数）_______9.quiet(反义词）_______10.store（同义词）______worsedidgood/wellcheapbiggestreporterfriendlybeachesbusyshop最高级规则变化口诀：最高级，很容易，一般词尾加est。(cheap-thecheapest)词尾若有哑音e,直接就加st。(close-theclosest)重读闭音节，单辅音字母要双写。(big-thebiggest)辅音字母加y,记得把y变为i。(friendly-thefr...