初中英语比较级-最高级-讲解及练习(全)

1形容词比较级、最高级练习(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------better------bestmany------more------mostmuch------more------mostbad------worse------worstfar------farther,further------farthest,furthest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最不重要注：有些形容词一般没有比较等级。如：right,wrong,woolen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：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：Themilkwastoohottodrink.Themilkwassohotthatwecan’tdrinkit.2(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.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.manyverytal3一、写出以下各形容词的比较级和最高级：1.nice___________________2.fat_________________3.slow_________________4.dry__________________5.happy_________________6.wet_________________7.much_________________8.ill______________9.little_____________________10.bad_________________11.thin__________________12.far____________________13.early_____________14.careful___________15.exciting_________二、根据句意，用所括号内所级形容词的比较等级形式填空：1.Bobis_________(young)thanFredbut___________(tall)thanFred.2.Yingtianisnotas___________(tall)asYongxian.3.Almostallthestudents'facesarethesamebutLiDeminglooks_______(fat)thanbefore.4.Whichis_________(heavy),ahenorachicken?5.--How_________(tall)isSally?--She's1.55metres________(tall).WhataboutXiaoling?--She'sonly1.40metres________(tall).Sheismuch_______(short)thanSally.Sheisalsothe_______(short)girlintheclass.6.Heis______(bad)atlearningmaths.Heismuch_______(bad)atChineseandheisthe_________(bad)atEnglish.7.AnniesaysSallyisthe________(kind)personintheworld.8.Heisoneofthe_________(friendly)peopleintheclass,Ithink.9.Adictionaryismuch(expensive)thanastory-book.10.Anorangeiaalittle______(big)thananapple,butmuch________(small)thanawatermelon.11.TheChangjiangRiveristhe_______(long)riverinChina.12.Sueisalittle___________(beautiful)thanhersister.13.Myroomisnotas_________(big)asmybrother's.14.--Howdifficu