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Thefirstmooncakeissmall.Thesecondmooncakeissmallerthanthefirstone.smallsmallersmallestThethirdmooncakeisthesmallestofall.Thefirstmooncakeischeap.Thesecondmooncakeischeaperthanthefirstone.¥8¥5cheapcheaper¥3cheapestThethirdmooncakeisthecheapestofall.Thepigisheavy.Thebearisheavierthanthepig.TheelephantistheheaviestofallheavyheavierheaviestnicenicernicestThemooncakesinpicture1arenice.Themooncakesinpicture2arenicerThemooncakeinpicture3isthenicest.Askandanswerquestions.Usebig,small,hot,cold,old,new…A1:LiMingjumpshigh.B1:LiDongjumpshigher.A1:WuPingjumpshighestofall.A2:Tomisfat.B2:Jimisfatter.A2:Maryisthefattestofall.构成原级比较级比较级单音节和少数双音节单词一般词尾加-er,-esttall,long,old,smalltaller,longer,older,smallertallest,longest,oldest,smallest以字母e结尾的形容词或副词,直接加-r,-stnice,fine,largenicer,finer,largernicest,finest,largest以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,-estbig,hot,red,thinbigger,hotter,redder,thinnerbiggest,hottest,reddest,thinnest以“辅音字母+y”结尾的形容词或副词，把y变为i，再加-er,-estbusy,early,easybusier,earlier,easierbusiest,earliest,easiest部分双音节与多音节的词加more,most构成比较级和最高级:beautiful，morebeautiful,themostbeautiful不规则变化的形容词和副词:good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastoldolder/elderoldest/eldestfarfarther/furtherfarthest/furthestbiglittlecoldhotwarmcoollongshortlatemuchpopularbiggerbiggestlessleastcoldercoldesthotterhottestwarmerwarmestcoolercoolestlongerlongestshortershortestlaterlatestmoremostmorepopularthemostpopularcheapwideeasynicethinfatbusyearlylargefinedeliciouscheapercheapestwiderwidesteasiereasiestnicernicestthinnerthinnestfatterfattestbusierbusiestearlierearliestlargerlargestfinerfinestmoredeliciousmostdeliciousExercises:1.吉姆没有汤姆富有.Jimis______________Tom.2.长江比中国的任何一条河都长.TheChangjiangRiveris_______________________inChina..notasrichaslongerthananyotherriver3.这本书没有那本书有趣.Thisbookis____________________________thatone.4.在春天,日子变得越来越长.Inspringthedays___________________________.5.我跳得和李平一样远.Ijumped__________LiPing.lessinterestingthan/notasinterestingasaregetting/becominglongerandlongerasfaras6.他上学比汤姆早得多.Hegoestoschool______________Tom.7.在这三人当中，他最胖。Heis___________ofthethree.8.佛山变得越来越漂亮了。FOShanisbecoming_____________.9.越多,越好._____________________.muchearlierthanthefattestmoreandmorebeautiful.Themore,thebetter10.Ourcountryismuch_______(强大的)thanbefore.(2005年中考题）11.Heisalittle______（瘦）thanTom.12.TheweatherinGuangzhouishotterthan_____inBeijing.A.itB.thatC.those13.Sheis_____（大两岁）thanMike.14.在我们班他跳得最高。Hejumped________inourclass.15.Heis_____(年轻的）thanIthink.strongerthinnerBtwoyearsolderhighestyounger表示比较的几种基本句型1.A=B（程度相同），as…as…HeisastallasTom.HerunsasfastasTom.2.AB(表示A不如B),notas/so…as…或less…than…I’mnotastallashim.Hedidn’tdohishomeworkascarefullyasTom.Thisbookislessimportantthanthatone.3.AB(表示A超过B),比较级…than…Heistallerthanme.Heistallerthananyotherstudentinhisclass.Heistallerthantheotherstudentsinhisclass.4.三者或三者以上作比较,用最高级.the+最高级+比较范围.Heisthebusiestinhisfamily.5.比较级+and+比较级,表示“越来越”Inspringthedaysgetlongerandlonger.Ourcityisbecomingmoreandmorebeautiful.6.the+比较级,the+比较级Thebusierheis,thehappierhefeels.注意问题1.在比较状语从句中经常省略某些部分,但比较对象的成分不能省.TheroadsinBeijingarewiderthanthoseinGuangzhou.r2.much,alittle,even,alot,abit等用来修饰比较级.Theboxismuchheavierthanthatone.3.比较级还可以用年龄、倍数等词组修饰。Themountainis3timeshigherthanthatone.制作人：彭险峰2、在……中最……(1)他在三个人中是最高的。Heisthetallestofthethree.(2)她在听有人中跳舞跳得最好。Shedances(the)bestofall.(3)他是我们班中最小的。Heistheyourgestboyinourclass.the+最高级+of(in……)ofthethree……inourclass.制作人：彭险峰much(多）even(甚至)still(仍然)alittle(一点)(1)日本比德国大一点。JapanisalittlelargerthanGermany.(2)这个东西甚至比钢还硬。Thisisevenharderthansteel.(钢）5.+比较级制作人：彭险峰6、数量+比较级(1)我比你大两岁。I’mtwoyearsolderthanyou.(2)我们的房间比他们的大三倍。Ourroomisthreetimeslargerthantheirs.制作人：彭险峰7、他在班里，比任何学生都好。（他是最好的）Heisbetterthananyotherstudentintheclass.(Heisthebeststudentintheclass.)比其他的任何……都比较级+thananyother+单数名词制作人：彭险峰9、……是最……之一我们的城市是世界上最安全的城市之一。Ourcityisoneofthesafestcitiesintheworld.oneof+最高级制作人：彭险峰11、两个中比较……的(1)这支手表是两个中比较便宜的。Thiswatchisthecheaperofthetwo.(2)他是这两个人中比较好的。Heisthebetterofthetwo.the+比较级+ofthetwoMakesentenceswiththecomparativepatterns.