66形容词副词比较级课件(一)

形容词、副词的比较级在使用形容词或者副词时，我们需要表达“更怎么样”时，就会用到形容词或副词的比较级。LiuXiangistall.YaoMingistallerthanLiuXiang.YaoMingLiuXiangThesmalldogrunsfast.Thehorserunsfasterthanthesmalldog.fastfaster形容词和副词的比较级（TheComparativeandSuperlativedegreesofAdjectivesandAdverbs)英语中有时需要对两者进行比较，这时就需用形容词或者副词的比较等级。比较等级分为：原级oldlate比较级olderlater最高级oldestlatest1.形容词比较级和最高级的构成：单音节形容词、副词的构成方法原级比较级最高级一般在词尾加-er或-esttalltallertallest以字母e结尾的单词加-r或-stnicefinenicerfinernicestfinest以“辅音字母+y”结尾的双音节词，先改为i,再加-er或-estearlyheavyearlierheaviereariestheaviest规则变化morecarefullymorebeautifulthinnerbiggerhottermostcarefullymostbeautifulthinnestbiggesthottestcarefullybeautiful多音节词或少数双音节词，在词前加more或mostthinbighot重读闭音节词尾只有一个辅音字母时，应先双写这个辅音字母，再加-er或-estlessfarther(further)oldereldermoreworsebetter例词不规则变化leastfarthestfurthestoldesteldestlittlefaroldmostmany/muchworstbad/illBestgood/well少数几个形容词的比较级和最高级的构成是不规则的。Summerishot.Summeris________thanspring.Winteriscold.Winteris________thanautumn.ZenZhiweiisshort.XiaoxinisshorterthanZenZhiwei.ZenZhiweiXiaoxinLiuYifeiisthin.MikeisthinnerthanLiuYifei.LiuYifeiMikeJackJohnJackjumpshigh.Johnjumpshigher.LiYongisfunny.PanChangjiangisfunnierthanLiYong.LiYongPanChangjiang7:50Theygotuplatethismorning.Hegotuplaterthanthem/they.Q3：通常在什么情况用形容词比较级？地球比月球大Theearthislargerthanthemoon.1、两者之间的比较，句中有明显的标志词than。数学和英语，哪个更容易？变式练习：这本书比那本书有趣。Whichiseasier,mathsorEnglish?2、Which/Whois+比较级,AorB?变式练习：周杰伦和张杰，谁更受欢迎？注意：as…as虽然用的是形容词副词的原级，但是也有表达比较的意思，否定形式notas/so…asEg:Heisastallasme.他跟我一般高。HeworksashardasTom.他跟Tom一样刻苦。Q4：有哪些特殊情况下也使用形容词的比较级？汤姆是这两个男孩中较高的一个Tomisthetallerofthetwoboys.1、…isthe+比较级+ofthetwo.(两者中···较···）天变得越来越黑。变式练习：曙光学校是两所学校中较好的一所。It’sgettingdarkeranddarker.2、越来越···比较级+and+比较级“越来越…”（单音节词和部分双音节词）变式练习：他有越来越多的朋友。保山变得越来越美丽Baoshanisbecomingmoreandmorebeautiful.2）More+and+more+原级越来越···”（多音节词和部分双音节词）你吃得越多，就变得越胖。变式练习：英语越来越重要。Themoreyoueat,thefatteryouwillbecome.3、The+比较级…，the+比较级…“越…，就越…”变式练习：你锻炼的越多就越健康。4.比较级形式用来表示最高级概念thananyother+单数名词比较级+thantheother+复数名词（···比其他任何一个都···）Tom在他班上比其他任何一个男孩都高。Tomistallerthananyotherboyinhisclass.=Tomistallerthantheotherboysinhisclass=Tomisthetallestboyinhisclass.变式练习：这个教室比任何一个教室都大。5.much,alot,abit,alittle,even,far等修饰比较级Lucy比她姐姐胖的多。Lucyismuchheavierthanhersister.变式练习：她今天比我更高兴。课堂总结•I形容词的比较的基本构成•①单音节和部分双音节词一般在词尾加er,•②以字母e结尾的词,加r,•③重读闭音节词只有一个辅音字母时,双写辅音字母,加er,•④以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加er,•⑤多音节和部分双音节词在词前加more•II形容词比较级的五个特殊变化•①.good/well—better②bad/ill/badly—worse—•③many/much—more④little—less•⑤far—fartherIII形容词的比较级基本运用①than用比较级②Which/Whois+比较级,AorB?IV形容词比较级在特殊情况下的几个用法①isthe+比较级+ofthetwo.(两者中···较···）②比较级+and+比较级“越来越…”③The+比较级…the+比较级…“越…越…”④比较级形式用来表示最高级概念thananyother+单数名词比较级+thantheother+复数名词⑤much,alot,abit,alittle,even,far等修饰比较级一、写出下列形容词的比较级Shortillbiglateeasydeliciousshorter目标检测worsebiggerlatereasiermoredelicious1、Hispencilisverymoreexpensivethanmine.2、Whichismoreusefulofthetwodictionaries?3、Thecarefulyouare,thefewmistakesyouwillmake.very改为muchmoreuseful改为themoreusefulThecareful改为Themorecarefulthefew改为thefewer•1.Ahorseis___thanadogA.muchheavyB.moreheavierC.muchheavier•2.Emmaalwaysmakesalotofmistakes.Sheis___A.careB.carefulC.carefullyD.careless•3.Whichsubjectis___,physicsorchemistry?A.interestingB.mostinterestingC.moreinterestingD.themostinterestingCDC4.Inourcityit’s___inJuly,butitiseven____inAugustA.hotterhottestB.hothotC.hotterhotD.hothotter5.Thebreadis__thanthesecakesA、VerydeliciousB.muchdeliciousC.moredeliciousD.asdelicious6._____youwork,____yourfuturewilbe.A.Harder;betterB.Themorehardly;themorebeautifulC.Themorehard;thebetterD.Theharder;thebrighterDcD7.Thisbookismoreinterestingthan_____A.anythingB.anybooksC.anyotherbooksD.anyotherbook8.EveryoneknowsChinaisgetting______A.strongandstrongB.strongerandstrongerC.morestrongandstrongD.strongestandstrongest9．Inordertokeephealthy,youshouldeat______fastfood,__freshvegetablesandtakeenoughexercise.A．fewer,fewerB.less,moreC.fewer,moreD.less,lessDBBadditionalexpressions