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形容词比较级(一)一般句式的构成：A+is/are+形容词比较级+than+BA是主格B是宾格如：Sheistallerthanme.主格形容词比较级宾格（二）英语形容词比较级的构成英语形容词比较等级有三个：原级，比较级和最高级。形容词比较等级形式变化有规则的和不规则的两种。规则变化1）单音节词末尾加-er（比较级），-est（最高级）【例】原级比较级最高级greatgreatergreatestsmallsmallersmallestcleancleanercleanest2）单音节如以e结尾，只加-r（比较级），-st（最高级）【例】finefinerfinestwidewiderwidest3）闭音节单音节词如末尾只有一个辅音字母，须先双写这个辅音字母，再加-er（比较级），-est（最高级）【例】bigbiggerbiggesthothotterhottestredredderreddest4）少数以-y，-er，ow，-ble结尾的双音节词，末尾加-er（比较级），-est（最高级）。以-y结尾的词，如-y前是辅音字母，则变y为-i，再加-er和-est。以-e结尾的词只加-r和-st。【例】clevercleverercleverestnarrownarrowernarrowestableablerablesteasyeasiereasiest5）其它双音节和多音节词皆在前面加单词more和most。【例】carefulmorecarefulmostcarefuldifficultmoredifficultmostdifficultdeliciousmoredeliciousmostdelicious不规则变化原级比较级最高级good/wellbetterbestbadworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest注：有些形容词一般没有比较等级。如：right,wrong,等。形容词的比较等级的用法：比较级用于二者的比较。【例】LiPingisolderthanWangHai.李平比王海年纪大。TherearemorestudentsinClassOnethaninClassTwo.一班比二班学生多。二、形容词各等级的用法：1、原级（同级）比较：（1）very、so、quite、too等词后用原级Tomistoofat.汤姆太胖了（2）、too…to;so…that;as…as中间用原级Themilkwastoohottodrink.Themilkwassohotthatwecan’tdrinkitTomisastallashisbrother.汤姆像他的弟弟一样高（3）.A+be+notas/so+原级+asBA不及B…Tomisnotso/astallasYaoMing.汤姆不像姚明那样高2.比较级：(1)两者之间的比较，句中有明显的标志词thanTomrunsfasterthanJohn.(2)表示两者之间比……更……可用状语much,alittle,even等修饰：HemadefewermistakesthanIdid.YaoMingismuchtallerthanme3、最高级：(1)形容词最高级前必须加the,副词最高级前常省略the，后面多用of……，in……短语表示范围：Itwasthemost/leastinterestingstoryIhaveeverlistened.Heisthetallestofthethree.(2)oneof+the+最高级+名词复数最...的...之一Sheisoneofthetallestgirlsinourclass.三、补充：1、用比较级表示最高级：约翰是班里最高的男生。Johnistallerthananyotherboyintheclass.2、themore…..themore….表示“越……越……”:Themorebooksyouread,thewideryourknowledgeis.Themorefoodyoueat,thefatteryouare.3、moreandmore….表示“越来……越……”:Moreandmorestudentsrealizedtheimportanceofaforeignlanguage.Ourcountryisgettingstrongerandstronger.练习1.Ourteacherisweare.我们老师的个子比我们的高。2.Itistodaythanitwasyesterday.今天的天气比昨天暖和。3.Thispictureisthanthatone.这张照片比那张照片漂亮。4.Thismeetingisthanthatone.这次会议不如那次会议重要。5.Thesunisthanthemoon.太阳比月亮大得多。6.Sheisstudentherclass.她是班上最好的学生。7.ShanghaiisoneofcitiesChina.上海是中国最大城市之一。8.ThisisappleIhaveevermet.这是我见到的最大的苹果。9.Tomisboyinhisbasketballteam.汤姆是他们篮球队中个子最高的孩子。10.我妈是我家里最忙的一个11.深圳是中国最大的一个城市之一13.黄河是我国第二长河.14.月亮,地球,太阳,哪个最大15.这是我见过的最漂亮的城市.16.我妈比我爸大三年.17.现在天气变得越来越热英语语法之形容词比较级和最高级练习题1.Thisboxis___thatone.A.heavythanB.soheavythanC.heavierasD.asheavyas2Whenwespeaktopeople,weshouldbe'.A.aspoliteaspossibleB.aspoliteaspossiblyC.aspolitelyaspossibleD.aspolitelyaspossibly3Thisbookis____thatone,but____thanthatone.A.asdifficultas;expensiveB.asmoredifficultas;moreexpensiveC.asdifficultas;moreexpensiveD.moredifficultas;asexpensive4Ithinkthestoryisnotso___asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting5Hisfatherbegantowork____hewassevenyearsold.A.asoldasB.asearlyasC.sinceD.while6.Ithinkscienceis_thanJapanese.A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant7.Thispencilis___thanthatone.A.longestB.longC.longerD.aslong8.Mymotherisno___young.A.shorterB.longerC.littleD.few9.Thesechildrenare____thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtaller10.Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhot11.MrsBlackhasgot____insteadofgettinganybetter.A.morebadB.alittleworseC.muchbadlyD.alotofworse12.Whenwearrived,wefoundthemeetingroomcrowdedwith___students.A.quiteafewB.onlyafewC.fewD.afewquite13.Thehouseissmallforafamilyofsix.A.muchtooB.toomuchC.verymuchD.so14.Throughthewindowwecanseenothingbut____buildings.A.tallverymanyB.verymanytallC.verytallmanyD.manyverytall15.-What'syourbrotherlike?-Heis___.A.adriverB.verytallC.myfriendD.atschool16.Thejacketwasso___thathedecidedtobuyit.,A.muchB.littleC.expensiveD.cheap17.Ourclassroomis____largerthantheirs.A.moreB.quiteC.veryD.much18.Theearthisabout____asthemoon.A.asfiftytimebigB.fiftytimesasbigC.asbigfiftytimesD.fiftyastimesbig19.Yourroomismine.A.twiceaslargethanB.twicethesizeofC.biggertwicethanD.astwicelargeas20.Yourroomis___thanmine.A.threetimebigB.threetimesbigC.threetimesbiggerD.biggerthreetimes21.Hisfatheris____thanhismother.;A.olderfouryearsB.asfouryearsolderC.fouryearsolderD.biggerfouryears22.Mathsismorepopularthan____.A.anyothersubjectB.allthesubjectsC.anysubjectD.othersubject23.Chinaislargerthan____inAfricaA.anyothercountryB.othercountriesC.theothercountryD.anycountry24.Tomisstrongerthan___inhisclass.A.anyotherboyB.anyboysC.anyboyD.otherboy25.Whenspringcomes,itgets____.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter26.Byandby,____studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleast27.Atlasthebegantocry___.A.hardandhardB.morehardandmorehardC.harderandharderD.lesshardandlessharder28.Whenspringcomesthedaysget____andnights____.A.short;longB.long;shortC.longer;shorterD.shorter;longer29.___Ilookatthepicture,____Ilikeit.A.Thebest;themoreB.Themore;thelessC.Themore;lessD.More;themore30.___hereadthebook,____hegotinit.A.Themore;themor