形容词有三个等级：形容词有三个等级：原级原级比较级比较级最高级最高级Thegreenorangesarebig.Theorangeonesarebigger.Theredonesarethebiggestofall.形容词形容词1形容词用以修饰名词和不定代词，表示人或事物的特征，形容词用以修饰名词和不定代词，表示人或事物的特征，在句中可以作定语、表语、宾语补足语。在句中可以作定语、表语、宾语补足语。SheisabeautifulgirlSheisbeautifulshealwaymakesmehappy2形容词作定语时，一般要放在被修饰的名词前，不定代词形容词作定语时，一般要放在被修饰的名词前，不定代词或副词后。但或副词后。但enough既可放在被修饰的名词前，也可放在被既可放在被修饰的名词前，也可放在被修饰的名词后。修饰的名词后。Theboyisold_enoughtogotoschool.这个男孩已足够大能去上学了。这个男孩已足够大能去上学了。Hehassomething_interestingtotellhismother.他有一些有趣的事要告诉他妈妈。他有一些有趣的事要告诉他妈妈。4 41 1形容词用以修饰名词，表示人或事形容词用以修饰名词，表示人或事物的特征，在句中可以作定语、表语、宾物的特征，在句中可以作定语、表语、宾语补足语。语补足语。There are many _There are many _colourfulcolourful_coral _coral 3基数词可与名词基数词可与名词(用连字符相连用连字符相连)构成复合形容词，用作定构成复合形容词，用作定语。这时语。这时名词总用单数名词总用单数，而且这个复合形容词总是放在被修，而且这个复合形容词总是放在被修饰的名词前，常表示时间、度量等。如：饰的名词前，常表示时间、度量等。如：a5yearoldgirl4.Itbe+adj+todosth干某事是怎样的干某事是怎样的eg:Itskindtohelpothers5常见形容词的反义词归类。常见形容词的反义词归类。badgood，bigsmall，largesmall，blackwhite，busyfree，coldhot，coolwarm，deadliving/alive，drywet，emptyfull，fastslow，highlow，illwell，littlemuch，openclosed，samedifferent，safedangerous，southernnorthern，lessmore，leastmost，worsebetter，worstbest，cheapdear/expensive，easyhard/difficult，possibleimpossible，happyunhappy/sad，earlylate形容词形容词比较级比较级的构成的构成A: cheap short quick thick light cool warm quiet wild calm 比较级：比较级：直接加直接加er单音节词和部分双音节词单音节词和部分双音节词B: heavy easy tidy dry busy happy healthy hungry early比较级：比较级：y -i- ery -i- erC: largelateniceD:bighot“双写双写”最后的辅音字母加最后的辅音字母加er/esfat比较级：比较级：adj.+ rthindeliciousdangerousinterestingpopularbeautifulcarefuloutgoing比较级比较级：more+adj.多音节形容词和部分双音节形容词：多音节形容词和部分双音节形容词：词词尾尾变变化化原级原级比较级比较级最高级最高级hardlargebigthinwethappydryearlydifficultpopular你可以讲讲你可以讲讲吗？吗？单音节词在词尾加单音节词在词尾加er(比较级比较级)或或est(最高级最高级)以字母以字母e结尾结尾的词加的词加r或或st以重读闭音节结尾的词末尾只有以重读闭音节结尾的词末尾只有一个辅音字母应一个辅音字母应双写双写辅音字母再辅音字母再加加er或或est以辅音字母以辅音字母+y结尾的词结尾的词变变y为为i再再加加er,或或est多音节词和多数双音节词在其多音节词和多数双音节词在其前面加前面加more和和mostbetterbestfarlittleworseworstmoremostfartherfarthestlessleastgoodwellbadillmanymuch部分形容词的不规则变化：部分形容词的不规则变化：原级原级goodwellbad/illmanymuchlittlefarold比较级比较级older（更老的）（更老的）/elder(辈分资格辈分资格)最高级最高级oldest/oldestbetterbestworseworstlessmoremostfarther较远较远further进一步进一步leastfarthest最远最远furthest最大程度最大程度 原级比较级 最高级importanteasythingoodwellhotexpensivecheapmanylittlecan you?程度副词程度副词very,too,so,quite等修饰形容词的原级等修饰形容词的原级如：如：verytall、toohot、socoldThe car is quite/very cute.The flood is very/so serious.as+adj.+as和和.一样一样asfunnyasasbigasashappyasassmartas这个故事和那个故事一样有趣。这个故事和那个故事一样有趣。Thestoryisasinterestingasthatone.否定形式：否定形式：notso/as+adj.+as和和不一样不一样这个问题不如那个问题难。这个问题不如那个问题难。Thequestionisnotasdifficultasthatone.表示表示“A是是B的的倍倍”时，用时，用“A.倍数倍数as形容词形容词原级原级asB”结构。结构。(两倍：两倍：twice；三倍以上：；三倍以上：数字数字times)Ourschoolisthreetimesasbigashis.我们学校是他学校的三倍大。我们学校是他学校的三倍大。Thistableistwiceaslongasthatone.这张桌子是那张桌子的两倍长。这张桌子是那张桌子的两倍长。“halfashalfas形容词原级形容词原级形容词原级形容词原级asas”表示表示“是是的一半的一半”Hisapplesarehalfasmanyashissisters.他的苹果是他妹妹的一半多。他的苹果是他妹妹的一半多。()1.Thisboxis_thatone.A.heavythanB.soheavythanC.heavierasD.asheavyas()2.Whenwespeaktopeople,weshouldbe_A.aspoliteaspossibleB.aspoliteaspossiblyC.aspolitelyaspossibleD.aspolitelyaspossibly()3.Thisbookis_thatone,but_thanthatone.A.asdifficultas;expensiveB.asmoredifficultas;moreexpensiveC.asdifficultas;moreexpensiveD.moredifficultas;asexpensive()4.Ithinkthestoryisnotso_asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting()1.Theearthisabout_asthemoon.A.asfiftytimebigB.fiftytimesasbigC.asbigfiftytimesD.fiftyastimesbig1基本句型基本句型A.adj比较级比较级+thanBThiscakeismoredeliciousthanthatone（两者之间）（两者之间）2A.倍数倍数+adj比较级比较级+thanB这个蛋糕比那个蛋糕好吃。这个蛋糕比那个蛋糕好吃。这座花园比那座花园大这座花园比那座花园大9倍。倍。Thisgardenis9timeslargerthanthatone.3.有表程度的副词有表程度的副词alittleabitalotfarstillmuchanyevenrather等等可以修饰比较级可以修饰比较级eg:ItsmuchhotterinGuangdongthaninShangdong4.表示两者之间进行选择，哪一个更时，用：表示两者之间进行选择，哪一个更时，用：Whobeadj比较级，比较级，AorB?eg:Whoistaller,DamingorBetty?5.the+比较级比较级+ofthetwoAmy is the shorter of the two.Davie is th taller of the two.()1.Ilike_oneofthetwobooks.A.theolderB.oldestC.theoldestD.older()2.Whichis_country,ChinaorJapan?A.thelargeB.thelargerC.largerD.largest()3.Ofthetwocups,hebought_.A.thesmallerB.thesmallestC.smallD:smaller()4.Whichdoyoulike_,teaorcoffee?A.wellB.betterC.bestD.most()5.Thisworkis_formethanforyou.A.difficultB.mostdifficultC.muchdifficultD.moredifficult()6.Whichdoyouthinktastes_,thechickenorthefish?A.goodB.betterC.bestD.well吃的越多，吃的越多，会变得越胖会变得越胖youeat,youwillbe.6 the +比较级，比较级， the +比较级比较级越越， 越越。The morethe fatterThe more , the better.你们越仔细，出的错误就越少你们越仔细，出的错误就越少.Themorecarefulyouare,thefewermistakesyoumake.他越忙越快乐他越忙越快乐._ _ he is, _ _ he will be.Thebusierthehappier1._Ilookatthepicture,_Ilikeit.A.Thebest;themoreB.Themore;thelessC.Themore;lessD.More;themore2._hereadthebook,_hegotinit.A.Themore;themoreinterestingB.Theless;themoreinterestingC.Themore;themoreinterestedD.More;moreinterested3._youcomeback,_itwillbe.A,Thequicker;thebestB.Thesooner;thebetterC.Faster;thebetterD.Thesooner;better1313形容词比较级用法形容词比较级用法(1)(1)表示两者进行比较时用形容词比较级，其结构为表示两者进行比较时用形容词比较级，其结构为“A.A.比较级比较级thanthanB B”。The oranges in this bag are bigger than those in The oranges in this bag are bigger than those in that bag.that bag.这个包里的橘子比那个包里的橘子大。这个包里的橘子比那个包里的橘子大。(2)(2)有表示程度的副词有表示程度的副词a littlea little，a bita bit，a fewa few，a lot, a lot, muchmuch，eveneven，stillstill，farfar，ratherrather，anyany等修饰时，用形容等修饰时，用形容词比较级。词比较级。7.越来越越来越:adj比较级比较级andadj比较级比较级或或moreandmoreadj原级原级eg:ItswarmerandwarmerinspringYouremoreandmorebeautiful()1.Whenspringcomes,itgets_.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter()2.Finally,_studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleast()3.Atlasthebegantocry_.A.hardandhardB.morehardandmorehardC.harderandharderD.lesshardandlessharder()4.Whenspringcomesthedaysget_andnights_.A.short;longB.long;shortC.longer;shorterD.shorter;longer“比较比较”出来的英出来的英语语1.Afriendiseasierlostthanfound.朋友易失不易得。朋友易失不易得。2.Enoughisasgoodasafeast.知足常乐。知足常乐。3.Bettertodowellthantosaywell.说得好不如干得好。说得好不如干得好。4.Betterthelastsmilethanthefirstlaughter.宁可最后微笑，不可首先狂喜。宁可最后微笑，不可首先狂喜。5.Doingisbetterthansaying.会说不如会做。会说不如会做。6.Twoheadsarebetterthanone.两人智慧胜一人。两人智慧胜一人。7.Goodtobeginwell,bettertoendwell.善始好，善终更佳。善始好，善终更佳。8.Aneyefindsmoretruththantwoears.百闻不如一见。百闻不如一见。Activity1231098765411121314Li Leis box is heavy. Han Meimeis box is heavier than Li Leis. Jims box is the heaviest of all. backWinteris_seasonofayear.thecoldest backThebeeisflyingfast. Thebirdisflyingfaster.Theplaneisflyingthefastest.backLiuXiang_intheOlympicGames.ranfastestbackThe Changjiang River is _ than any other river in China.A. shorter B. longer C. shortest D. longestback_ she is, _ she feels.A.The more busy, the more happy B. The busy, the happyC. Busier, happier D.The busier, the happierbackWhichis_seasoninBeijing?Ithinkitsautumn.A.goodB.betterC.bestD.thebestback- In our city its in July ,but it is even _in August . A. hotter; hottest B. hot; hot C. hotter; hot D. hot; hotterD- The bread is _ than these cakes A. very delicious B. much delicious C. more delicious D. as deliciousCback- An elephant is than a tiger. A. Heavy B. very heavy C. the heaviest D. heavier- Which subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting D. the most interesting DCback改错Sueisoneofthetallgirlsinherclass.tallest back1. Bob is1. Bob is _ ( young ) than Fred but _ ( young ) than Fred but _ (tall) than Fred._ (tall) than Fred.2. Yingtian is not as _2. Yingtian is not as _ (tall) asYongxian. (tall) asYongxian.back-I study English as_as my brother.I study English as_as my brother.-Which is _ , a bicycle or a computer?-Which is _ , a bicycle or a computer?A.hard B. harder C. hardest A. A.expensiveexpensive B.more expensive B.more expensive C.the most expensive C.the most expensiveback( ( )- Her )- Her EnglishEnglish isis goodergooder thanthan I ._ I ._ A A B B C C D D( ( )- )- HeHe is is thethe strongerstronger in in the class._the class._ A A B B C C D D改错题改错题backbackbackbackback