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NanlouMiddleSchoolByTangNaTheComparativeDegreeofAdjectives形容词的比较级Therearefar,farbetterthingsaheadthananyweleavebehind.一、形容词比较级的构成二、形容词比较级的用法三、形容词比较级的倍数表达法一、单音节和部分双音节词1.slowfastyoungtall2.finelate3.thinbig4.easyluckysloweryounger一般在词尾加er,以不发音字母e结尾的词,加r重读闭音节词词尾只有一个辅音字母时,双写辅音字母,加er,以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加er,finerlatereasierthinnerbiggerluckiertallerfaster二、多音节和部分双音节词在词前加moreimportantmoreimportantdeliciousmoredeliciousboringmoreboring原级比较级good/wellbetterbad/ill/badlyworsemany/muchmorelittlelessfarfartherfurther•1.good•2.comfortable•3.big•4.happy•5.cheap•6.many•7.difficult•8.littlebettermorecomfortablebiggerhappiercheapermoremoredifficultless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,mathorEnglish?2、Which/Whois+比较级,AorB?变式练习：小张和小李，谁更受欢迎？特殊情况下也使用形容词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：向阳学校是两所学校中较好的一所。It’sgettingdarkeranddarker.2、“越来越…”1）比较级+and+比较级变式练习：我们的生活越来越好。李华变得越来越美丽LiHuaisbecomingmoreandmorebeautiful.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.much,far，alot,alittle,even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。5.比较级形式用来表示最高级概念(1)比较级+thananyother+单数名词(2)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.1.NanjingisthebiggestcityinJiangsu.NanjingisbiggerthaninJiangsuNanjingisbiggerthanininJiangsu同义句转换2.IthinkmathisnotasinterestingasEnglish.（改为同义句）IthinkmathisthanEnglish./IthinkEnglishisthanmath.lessinterestingmoreinterestinganyothercitytheothercities两者程度相同de比较用：as+形原级+as一方不如一方······用：notas\so+形原级+as=less+形原级+than(1)倍数as...as(意思是“A是B的几倍”)(2)倍数+比较级(意思是：A是B的几倍)(3)倍数+the度量词of...(size,length,width,age)这张桌子是那张桌子的三倍大。Thisdeskisthreetimesasbigasthanthatone.Thisdeskistwicebiggerthanthatone.Thisdeskisthreetimesthesizeofthatone.1、Hispencilisverymoreexpensivethanmine.2、Whichismoreusefulofthetwodictionaries?3、Thecarefulyouare,thefewmistakesyouwillmake.very改为muchmoreuseful改为themoreusefulThecareful改为Themorecarefulthefew改为thefewerLanguageinuseWelcometoDolphinWorld!I’mgladtosee(many)____and_____peoplelikedolphin.Nowletmeintroduceourfriendstoyou.Weknowdolphinsare(small)______thanwhalesbuttheyareprobably(intelligent)_____creatureinthesea.______(big)dolphinscanmeasurefourmetersinlengthbutcommondolphinsareusuallylessthantwometerslong.Dolphinsareoneof_______(friendly)creaturestopeopleandoftenfollowships._moremoresmaller__themostintelligentThebiggestthefriendliestDolphinsalsohavea(good)________systemofcommunicationthanotheranimals.Theyare(easy)_________ofallanimalstotrainandareoften(popular)________animalswithchildrenroundtheworld._____(much)youwatchthem,________(well)youwilllikethem.•Haveagoodtime!Thankyou!better__theeasiest_themostpopularThemore_thebetteradditionalexpressions