形容词和副词比较级最高级讲解和练习

Practicemakesperfect.1一对一教学方案课时数：2课时主讲人：刘老师比较级、最高级教学目的：掌握比较级和最高级的用法教学重点：比较级、最高级的形式和特殊形式教学难点：比较级和最高级的应用教学内容：一、比较级和最高级（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】finefinerfinestPracticemakesperfect.2widewidewiderwidest3）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,woolen等。Practicemakesperfect.3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：as…as…;notas(so)…as…We’llgiveyouasmuchhelpaswecan.Sheisn’tas(so)activeinsportsasbefore.2.比较级：表示两者之间比……更……可用状语much,alittle,even等修饰：HemadefewermistakesthanIdid.HeisevenricherthanI.3、高级：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.4、如果在两者之间表示“最……”时要在比较级前加the，而且还用ofthetwo,ofthepair短语：Johnisthecleverofthetwoboys.Ofthetwoboys,Johnistheclever.三、重点与难点：1、as…as…结构：你和汤姆是一样好的孩子。You’reaboyasgoodasTom.=You’reasgoodaboyasTom.2、(1)too…to与so…thatsb.can’t…的句型转换：前者为简单句，主语只有一个，而后者为复合句，主语有两个，试比较：Themanwastooangrytobeabletospeak.Themanwassoangrythathewasn’tabletospeak.Themilkwastoohottodrink.Practicemakesperfect.4Themilkwassohotthatwecan’tdrinkit.(2)too…to…与notenoughto句型的转换：Heistooyoungtogetmarried.=Heisnotoldenoughtogetmarried.Thebookistoodifficultformetoread.=Thebookisnoteasyenoughformetoread.3、形容词原级表示比较级含义：约翰不象迈克那么苯。JohnisnotsostupidasMike.JohnislessstupidthanMike.JohnisclevererthanMike.4、用比较级表示最高级：约翰是班里最高的男生。Johnistallerthananyotherboyintheclass.Johnisthetallestboyintheclass.Johnistallerthan:anyotherboy.anyoftheotherboy.alltheotherboy.anyoftheothers.anyoneelse.5、themore…..themore….表示“越……越……”:Themorebooksyouread,thewideryourknowledgeis.Themorefoodyoueat,thefatteryouare.6、moreandmore….表示“越来……越……”:Moreandmorestudentsrealizedtheimportanceofaforeignlanguage.Ourcountryisgettingstrongerandstronger.Mid-AutumnFestivalMid-AutumnDay四、巩固练习：Practicemakesperfect.5（一）写出下列形容词与副词的比较级与最高级形式：long___________wide_____________fat_________heavy__________slow_____________few_________brightly______-_____badly____________far_________quickly___________happy_____-______(二)用所给词的正确形式填空：1.Ofthetwogirls,IfindLucythe_______(clever).2.Gold(黄金)is______(little)usefulthaniron(铁).3.Mysisteristwoyears_______(old)thanI.4.John’sparentshavefourdaughters,andsheisthe_____(young)child.5.The_____(cheap)bagsarethenotusuallythebestones.6.Theshortoneisbyfar_______expensiveofthefive.7.Theboyisnotso______(interesting)ashisbrother.8.Dicksings_____(well),shesings______(well)thanJohn,butMarysings______(well)inherclass.9.Thisdressis______that.(twice,as…as…,expensive)（三）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;asexpensivePracticemakesperfect.64．Ithinkthestoryisnotso___asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting1.Ithinkscienceis_thanJapanese.A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant2．Thispencilis___thanthatone.^.longestB.longC.longerD.aslong3．Mymotherisno___young.A.shorterB.longerC.littleD.few4．Thesechildrenare____thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtaller5．Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhot6.MrsBlackhasgot____insteadofgettinganybetter.A.morebadB.alittleworseC.muchbadlyD.alotofworse1Whenwearrived,wefoundthemeetingroomcrowdedwith___students.A.quiteafewB.onlyafewC.fewD.afewquite2Thehouseissmallforafamilyofsix.A.muchtooB.toomuchC.verymuchD.so3Throughthewindowwecanseenothingbut____buildings.A.tallverymanyB.verymanytallC.verytallmanyD.manyverytall4-What'syourbrotherlike?-Heis___.A.adriverB.verytallC.myfriendD.atschool5Thejacketwasso___thathedecidedtobuyit.,Practicemakesperfect.7A.muchB.littleC.expensiveD.cheapl6Ourclassroomis____largerthantheirs.A.moreB.quiteC.veryD.much1Theearthisabout____asthemoon.A.asfiftytimebigB.fiftytimesasbigC.asbigfiftytimesD.fiftyastimesbig2Yourroomismine.A.twiceaslargethanB.twicethesizeofC.biggertwicethanD.astwicelargeas3Yourroomis___thanmine.A.threetimebigB.threetimesbigC.threetimesbiggerD.biggerthreetimes4