初中英语形容词比较级和最高级讲解与练习

学习必备欢迎下载初中英语形容词比较级和最高级讲解与练习绝大多数形容词有三种形式,原级,比较级和最高级,以表示形容词说明的性质在程度上的不同。形容词的原级:形容词的原级形式就是词典中出现的形容词的原形。例如:poortallgreatgladbad形容词的比较级和最高级:形容词的比较级和最高级形式是在形容词的原级形式的基础上变化的。分为规则变化和不规则变化。规则变化如下:1)单音节形容词的比较级和最高级形式是在词尾加-er和-est构成。great(原级)(比较级)(最高级)2)以-e结尾的单音节形容词的比较级和最高级是在词尾加-r和-st构成。wide(原级)(比较级)(最高级)3)以辅音字母-y结尾改-y为i,加上-er和-est构成.happy(原形)(比较级)(最高级)4)以一个辅音字母结尾重读闭音节词双写这个辅音字母然后再加-er和-est。big(原级)(比较级)(最高级)5)双音节和多音节需用more和most加在形容词前面来构成。beautiful(原级)(比较级)(最高级)difficult(原级)(比较级)(最高级)常用的不规则变化的形容词的比较级和最高级:good/well---better---bestmany/much---more---mostlittle---less---leastbad/ill---worse---worstfar------farther,further------farthest,furthestold------older,elder-----oldest,eldest形容词前如加less和least则表示较不和最不important重要lessimportant较不重要leastimportant最不重要学习必备欢迎下载形容词比较级的用法:用于两个人或事物的比较,其结构形式如下:主语+谓语(系动词)+形容词比较级+than+对比成分，主句+than+从句。注意：从句常省去意义上和主句相同的部分,而只剩下对比的成分。Lily’sroomisbiggerthanmine.TheweatherinBeijingiscolderthanthatinHainan.否定用not+比较级+than或lessthanThisquestionislessdifficult/notmoredifficultthanthatone.Ourteacherisweare.我们老师的个子比我们的高。Itistodaythanitwasyesterday.今天的天气比昨天暖和。Thispictureisthanthatone.这张照片比那张照片漂亮。Thismeetingisthanthatone.这次会议不如那次会议重要。Thesunisthanthemoon.太阳比月亮大得多。形容词最高级的用法:用于两个以上的人和物进行比较,其结构形式为:主句+the+形容词最高级+名词+表示范围的短语或从句，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.Sheisstudentinherclass.她是班上最好的学生。Tomisboyinhisbasketballteam.汤姆是他们篮球队中最高的。ThisisappleIhaveevermet.这是我见到的最大的苹果。二、形容词各等级的用法：1.原级（同级）比较：as…as…;notas(so)…as…（1）“A…+as+形容词原级+as+B”Heisastallasme.他和我一样高。EnglishisasinterestingasChinese.英文和中文一样有趣。You’reaboyasgoodasTom.=You’reasgoodaboyasTom.你和汤姆是一样好的孩子。学习必备欢迎下载否定句中的结构：(1)“A…not+as/so+形容词原级+as+B”Itisnotas/sogoodaswhatyousaid.那没有你说的那么好。（2）表示两者之间比……更……可用状语alittle,abit,alot,agreatdeal,much,even,still,far,rather,any等程度副词修饰：HemademuchfewermistakesthanIdid.HeisevenricherthanI.（3）表示两者之间进行选择“哪一个更.....”时，用句型“which/whois+形容词的比较级，AorB?”表示。Whoistaller,LiMingorWangTao?(4)如果两者之间表示“最……”时要在比较级前加the，而且还用ofthetwo,短语：Johnisthecleverofthetwoboys.Ofthetwoboys,Johnistheclever.(5)themore…..themore….表示“越……越……”:Themorefoodyoueat,thefatteryouare.Themorebooksyouread,thewideryourknowledgeis.(6)moreandmore….表示“越来……越……”:Moreandmorestudentsrealizedtheimportanceofaforeignlanguage.Ourcountryisgettingstrongerandstronger.It’sgettingwarmerandwarmerinspring.2.最高级：(1)表示三或三者以上的人或物中进行选择“哪一个最....”时，用句型“which/whois+the+最高级，A，BorC?”表示。Whichcityisthemostbeautiful,Beijing,ShanghaiorFuzhou?（2）表示“最.....的.....之一”时，用“oneofthe+形容词最高级+名词复数形式”ZhouJielunisoneofthemostpopularsingers.学习必备欢迎下载（3）形容词最高级前可以加序数词，表示“第几最........”.TheYellowRiveristhesecondlongestriverinChina.(5)被物主代词,指示代词，名词所有格修饰时，前边不再加theChina'sbiggestcityisShanghai.Fishingishislatesthobby.三、重点与难点：as…as…结构：（1）“A…+as+形容词原级+as+B”否定句中的结构：“A…not+as/so+形容词原级+as+B”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.Themilkwassohotthatwecan’tdrinkit.(2)too…to…与notenoughtoHeistooyoungtogetmarried.=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：比较级+than+anyother+可名单比较级+than+allother+k可名复Johnistallerthananyotherboyintheclass.约翰是班里最高的男生。Johnisthetallestboyintheclass.学习必备欢迎下载形容词比较级与最高级练习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;asexpensive4.Ithinkthestoryisnotso___asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting5Ithinkscienceis_thanJapanese.A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant6Thispencilis___thanthatone.A.longestB.longC.longerD.aslong7Mymotherisno___young.A.shorterB.longerC.littleD.few8Thesechildrenare____thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtaller9Itwasveryhotyesterday,butitis___today.A.evenhotterB.morehotterC.muchmorehotD.muchhot10MrsBlackhasgot____insteadofgettinganybetter.A.morebadB.alittleworseC.muchbadlyD.alotofworse学习必备欢迎下载11.Thehouseissmallforafamilyofsix.A.muchtooB.toomuchC.verymuchD.so12.Thejacketwasso___thathedecidedtobuyit.,A.muchB.littleC.expensiveD.cheap13Yourroomis___thanmine.A.threetimebigB.threetimesbigC.threetimesbiggerD.biggerthreetimes14.Hisfatheris____thanhismother.;A.olderfouryearsB.asfouryearsolderC.fouryearsolderD.biggerfouryears15.Mathsismorepopularthan____.A.anyothersubjectB.allthesubjectsC.anysubjectD.othersubject16.Whenspringcomes,itgets____.A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter17.____studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleast18.Atlasthebegantocry___.A.hardandhardB.morehardandhardC.harderandharderD.hardandlessh