《比较级最高级》PPT课件.ppt

九年级英语复习专题 形容词的比较级和最高级 第四中学陈娟 SpokenEnglish 专题 形容词 副词比较级 最高级 一 1 形容词 副词比较级和最高级的概念 形容词和副词可以靠改变形式来表示程度的不同 我们把这种变化形式叫做比较等级 要比较两个或两个以上的人或物时 就必须用形容词的比较级和最高级 形容词 副词有三个级 原级 PositiveDegree 比较级 ComparativeDegree 和最高级 SuperlativeDegree 写出下列词的反义词 tall thin long calm funny Sad short heavy short wild serious happy 写出下列词的比较级形式 tall short big thin calm nice taller shorter bigger thinner calmer nicer happy easy heavy hot clean dirty happier easier heavier hotter cleaner dirtier serious beautiful interesting important difficult athletic delicious moreserious morebeautiful moreinteresting moreimportant moredifficult moreathletic moredelicious 形容词的比较级和最高级的构成方法 单音节和少数双音节形容词 副词的规则变化情况 a 在原级的词尾加 er变为比较级 加 est变为最高级 e g short 原级 shorter 比较级 shortest 最高级 long 原级 longer 比较级 longest 最高级 b 如原级以e结尾 则比较级只加 r 最高级只加 st e g large larger largestnice nicer nicestc 如原级以 辅音字母 y 结尾 要将y改为i 再加 er est e g busy busier busiesteasy easier easiestd 原级以重读闭音节结尾 而且末尾只有一个辅音字母 不含字母组合er等 要双写这个辅音字母 再加 er est e g fat fatter fattestbig bigger biggest 其他双音节词和多音节词都在前面加more most构成比较级及最高级 原级比较级最高级importantmoreimportantmostimportantdifficultmoredifficultmostdifficultinterestingmoreinterestingmostinterestingusefulmoreusefulmostuseful 有几个形容词有特殊的比较级和最高级形式 原级比较级最高级goodwellbetterbestbad illworseworstmanymuchmoremostlittlelessleastfarfartherfurtherfarthestfurthestoldolder elderoldest eldest小贴士 要注意有几个形容词的比较级和最高级有两种不同的形式 它们的意思也不同 e g old older较旧 较老 oldest最旧 最老 old elder较年长 eldest最年长far farther较远 farthest最远 指距离 far further进一步 furthest最深 指程度 Comparethepersons calm wild funny serious athletic tall heavy outgoing Long short big small thin shortcurlyhairshortfatoutgoingwild longhairtallthineasygoingcalm Shewasshortandfat Shehasshortcurlyhair Shewaswildandoutgoing Butnow Sheistallerandthinner Shehaslongerhairthanbefore Sheiscalmerandmoreeasygoing Before now 3 形容词比较级的用法和相关句型 表示两者 相等 用 as 形容词原级 as 比较对象 e g Heisastallashismother Englishisasinterestingasmath 表示 不如 或 不相等 用 not as so 形容词原级 as 比较对象 e g Itisnotso ascoldtodayasyesterday Jackisnotso astallasTom 表示倍数 如 一半 两倍 3倍 4倍 等用 half twice three four times as as 结构 e g Istudytwiceashardasyou Thisroomisthreetimesaslargeasthatone 用 形容词比较级 than引导的从句 进行两者的比较 e g Theearthisbiggerthanthemoon Thisdressismoreexpensivethanthatone 强调比较级超出比较程度时 形容词的比较级前可用much far alot no alittle even any 等状语来修饰 e g MybrotherismucholderthanI Thisbikeisfarbetterthanthatone 由and连接同一个形容词的两个比较级 可以表示 越来越 e g I mgettingfatterandfatter IthinkEnglishisbecomingmoreandmoredifficult 用 the 比较级 the 比较级 表示 越 就越 e g Themoreyouread themoreknowledgeyouwillget Thelessjunkfoodyoueat thehealthieryoufeel 比较级 ofthetwo表示两者中较 的 比较级前加the Johnisthecleverofthetwoboys Ofthetwoboys Johnistheclever 最高级 of或in表示 中最 的Eg Jackisthetallestintheirclass ChinaisthelargestoneofalltheAsiancountries 注意一定地域空间用in 一类事物范围内用0f a 最高级表示 非常 the 最高级表示 最 Thisisamostdifficultquestion Thisisthemostdifficultquestion 比较要同类 在同一范围内 排除自身的方法用other 在不同的范围内 不用other ShanghaiislargerthananyothercityinChina ShanghaiisthelargestcityinChina ShanghaiislargerthananycityinInida 1 Mybrotheristwoyears old thanme 2 Tomisas fat asJim 3 Isyoursister young thanyou Yes4 Whois thin youorHelen Helenis 5 Lucyisthe good studentinourclass 6 Mary shairisas long asLucy s 7 Whichis big thesun themoonortheearth 8 Whois tall TomorSam 9 Fangfangisnotas tall astheothergirls 10 Myfriendsare many than she 练习 单选题 fat younger thinner best long thebiggest taller tall more older hers 三单项选择 1 Alanis thanLinda A tallB tallerC tallest2 Sheis thanhermother Hermotherisalsobeautiful A beautifulB beautifulerC morebeautifulD mostbeautiful3 Doyoualwaysgetupas asyoubrother Notalways A earliestB earlierC theearliestD early4 5 Heis morebeautifulthanI A tooB enoughC muchD very B C D C 5 Thisbookis thatone A asbetterasB asgoodasC asbestas6 Theearthis themoon Ialsosawitonthenewspaper A as49timesbigasB 49timesasbiggerasC 49timesasbigasD asbigas49times7 Itlookslikethatheisas asyou Oh no Heis thanI A tall alittletallB taller alittletallC tall alittletallerD taller alittletaller8 Thanksfortakingcareofthegarden itisbecoming Youarewelcome A morebeautifulandmoreB morebeautifulandmorebeautifulC moreandmorebeautiful B C C C 9 Theboxis heavy Ican tmoveit A muchB moreC enoughD too10 Herbrotheris thanshe A sevenyearolderB sevenyearolderC sevenyearsoldD sevenyearsolder11 The youstand the youcansee A high farB higher fartherC highest farthestD morehigher morefarther12 YoushouldstudyEnglishhard becauseit sgetting inourcountry A moreandmoreimportantB moreimportantandmoreimportantC importanterandimportanterD importantandimportant D D B A 13 youlearn youwilllearn A harder betterB theharder thegoodC theharder thebetter14 Iwilltrytomake mistakesinfuture A lessB moreC fewerD much15 Whois studentinyourclass A goodB betterC bestD thebest C C D Writing MybestfriendandIIhavemanyfriends ButMaryismybestfriend Insomeways welookthesame andinsomeways welookdifferent Webothhavelonghairandbigeyes althoughMaryisheavierthanme Webothlikesinging Iammoreoutgoingthanher Sheisquieterthanme Iamfunnierthanher too MyfavoritesubjectisEnglish herfavoritesubjectisChinese Idon tthinkdifferencesareimportantinafriendship Sowearegettingonwellwith