高中英语比较级

一.形容词和副词比较等级的用法,1）原级比较：表示两者程度相同。用句型as+形容词/副词+as表示，否定名式为：notas/so+形容词/副词as。如：,Dickisastallashisbrother.Tomspeaksasquicklyashiscousin.Ihaveneverseenapersonas/socleverasheis.,2）比较级：A.表示A超过B。此时使用形容词和副词的比较等级。如：,Ourclassroomisbrighterthanyours.Dogsrunfasterthanrabbits.Idontthinkmathismoreimportantthanphysics.,B.表示A不如B。用句型：less+形容词/副词的原级表示。如：,Rabbitsranlessfastthandogs.Jennyislesscleverthanhersister.Itrainslessoftenhereinautumnthaninspring.,3）形容词和副词比较级的特殊用法A.越来越如：,Youaregrowingtallerandtaller.你越长越高了。Englishisbecomingmoreandmoreimportant.英语越来越重要了。,B.越，越如：Theharderyoupush,themorequicklythatcartwillmove.你越使劲推，车就越跑的快。Themorecarefulyouare,thebetteryouwilldointheexam.你越小心，就会考得越好。Themoreyoupractice,themorefluentlyyouwillspeak.你练得越多，讲得就越流利。,C.表示两者之中比较的一个，用of引导，比较级前加上the。如：Jackisthetallerofthetwobrothers.杰克是兄弟两中较高的一个。Thisisthebiggerofthetworooms.这个房间是两个中较大的一个。,D.nomorethan表示“只；不超过；不多于”，相当于only。如：Hiswholeschooladdeduptonomorethanoneyear.他所接受的学校教育不过一年。Shehasnomorethanoneyuaninherpocket.她兜里只有一块钱。,E.nomorethan表示“一样不”；而notmorethan则表示“不像那样”，相当于“notsoas”。如：Hsisfeelingnobetterthanyesterday.他觉得不比昨天好多少。,Sheisnotmoregenerousthanheryoungersister.她不如她妹妹那样慷慨大方。Sheisnotsogenerousasheryoungersister.,相当于：,F.nolessthan表示“多达，那样多;至少,起码”,相当于asmuch/manyas,蕴含这个数是大的；而notlessthan表示“不少于”,不强调这个数的大小,只说明数据本身。如：Ihavenolessthantendictionaries.我起码有10本字典。,蕴含“我的词典多”,Ihavenotlessthantendictionaries.我具有的词典不少于10本。,不含“我的词典多”的意思，只说明一个事实。,G.nolessthan表示“不比差；与同样地”，相当于“asas”。如：Sheisnolessbeautifulthanhersister.,H.不用比较级的形容词如：senior,junior,superior,inferior等。如：Heisthreeyearsseniortome.他比我大三岁。Yourknowledgeofelectronicsismuchsuperiortomine.你对电子学的知识远远超过我。,I.比较级的修饰语。这些修饰语通常为副词或短语，置于比较级前面，说明比较级的程度。这些词有：alittle,little,abit,bit,alot,agreatdeal,much,far,rather,slightly,byfar,even,still,nearly,almost,any,just,()times等。如：,Themoonismuchsmallerthantheearth.Theresultoftheexperimentturnedouttobeevenbetterthanexpected.Speakabitmoreslowly,please.Theoutputofthepapermillisthreetimeshigherthanitwaslastyear.,二、英语中基数词、序数词、分数、小数和百分数的读法,1.基数词的读法：,A.先说“几十”，再说“几”，中间用连字符。如：2389,B.先说“几百”，再加and,再加末两位数（或末位数）。如：223416809,twenty-three,eighty-nine,twohundredandtwenty-three,fourhundredandsixteen,eighthundredandnine,C.1000以上的数先从后向前数，每三位数加一“,”（千分位）；第一个“,”号前为thousand;第二个“,”号前为million;第三个“,”号前为billion。如：1,0014,0009,743174,301750,000,000,onethousandandone,fourthousand,ninethousand,sevenhundredandforty-three,a(one)hundredandseventy-fourthousand,threehundredandone,sevenhundredandfiftymillion,2.序数词的读法,序数词一般以与之相应的基数词加词尾-th构成，如：tenth（第十），但下面这些基数词在变序数词时，有特别的地方。如：,A.onetwothreefiveeightninetwelve,first,second,third,fifth,eighth,ninth,twelfth,B.以-ty结尾的词，要先变-y为-i，再加-eth。如：twentyfortyC.以one,two,three,five,nine收尾的多位数词，要照第一条方法变。如：twenty-onetwenty-twothirty-fiveninety-nineahundredandfifty-three,twentieth,fortieth,twenty-first,twenty-second,thirty-fifth,ninety-ninth,ahundredandfifty-third,基数词表示分子，序数词表示分母，除了分子是“1”的情况外，序数词要用复数。如：2/37/95/12,one-fourth,two-thirds,seven-ninths,five-twelfths,twoandthree-fifths,thirtyandseven-eighths,3.分数词的读法,2,3,5,30,7,8,一些特殊的表达法,a/onehalf,a/onequarter,threequarters,4.小数的读法,7.80.40.030.12514.397,sevenpointeight,zeropointfour,zeropointzerothree,zeropointonetwofive,fourteenpointthreenineseven,5.百分数的读法27%45%86%,twenty-sevenpercent,forty-fivepercent,eighty-sixpercent,Exercise,1.Thatdoesntsoundveryfrightening,Paul.Iveseen_.Whatdidyoulikemostaboutthefilm?A.betterB.worseC.bestD.worst,I.Choosethebestanswer.,2.Thenumberofpeoplepresentattheconcertwas_thanexpected.Thereweremanyticketsleft.A.muchsmallerB.muchmoreC.muchlargerD.manymore,3.HespeaksEnglishwellindeed,but,ofcourse,not_anativespeaker.A.asfluentasB.morefluentthanC.sofluentlyasD.muchfluentlythan4.ItisreportedthattheUnitedStatesuses_energyasthewholeofEurope.A.astwiceB.twicemuchC.twicemuchasD.twiceasmuch,5.Marykeptweighingherselftoseehowmuch_shewasgetting.A.heavierB.heavyC.theheavierD.theheavier,6.Thehouserentisexpensive.IvegotabouthalfthespaceIhadathomeandImpaying_here.A.asthreetimesmuchB.asmuchthreetimesC.muchasthreetimesD.threetimesasmuch,7.Ourneighbourhas_ours.A.asabighouseasB.asbigahouseasC.thesamebigh