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1、形容词、副词比较结构1.as…as,notso(as)…as既可以表示同一个人或物不同性质的比较,意为“既……又……”还可以表示两个人或物不同性质的比较,意为“……,而……”2.表示“越……越……”的比较级结构比较级+and+比较级Moreandmore+原级Lessandless+原级Themore…themore…Themore…theless…3.All/muchthe+比较级+原因(for,because,as或that从句),表示“因为……更加…”Itisallthemoredangerousfornotbeinggenerallyrecogn
2、izedassuch.一般不认为危险的,反而更加危险。4.morethan意为非常,其反义词为lessthan,worsethanIndoingscientificexperiments,onemustbemorethancarefulwiththeinstruments.IassureyouIammorethangladtohelpyou.5.比较级的修饰语:一般由程度副词修饰much,far,still,alot,alittle,lots,rather,even,hardly,rather或由倍数修饰twotimes,one-third,11perc
3、ent等,他们的位置是:修饰语+as…as…,或修饰语+more…than…6.倍数的比较结构Ais+倍数+the+名词(如size,length,width,etc)+ofBAis+倍数+as+形容词(如big,long,wide,etc)+asBAis+倍数+形容词比较级(如bigger,longer,wider,etc)+thanB1.Thesquareitselfisfivehundredyardswide,fivetimes___thesizeofSt.Peter’sinRome.(2008)A./B.thatofC.whichisD.of2.
4、Anewlaptopcostsabout___ofasecond-handone.(2009)A.thepriceofthreetimesB.threetimesthepriceC.asmuchasthethreetimespriceD.threetimesmorethanthepriceAB7.词汇意义表示的比较:Senior,junior,superior,inferior等形容词后要用to,不用thanMinor,major,prior,preferable,comparedwith,incomparisonwith,differentfrom,r
5、atherthan不用比较形式却表示比较概念没有比较级最高级形式的形容词:“独特、最佳”Perfect,only,unique,excellent,ideal“绝对、完整”whole,entire,absolute,complete“主要、基本”:main,chief,essential,basic比较级的特殊句型1.notsomuch…as…与其说……不如说…..Heisnotsomuchawriterasareporter.与其说他是名作家,不如说是名记者。比较级的特殊句型2.knowbetterthantodosth.很懂得(而不至于做某事)bew
6、iserthantodosth,很明智(而不至于做某事)Iamwiserthantobelievethat.Sheiscarefulenoughtoknowbetterthantomakesuchamistake.比较级的特殊句型3.justas…so…正如……,…….也……Justasthesoilisapartoftheearth,soistheatmosphere.几种易引起误解的比较结构1.nomore…than与notmore…thanHeisnomorediligentthanyou.Heisnotmorediligentthanyou.Th
7、isbookisnomoreinterestingthanthatone.Thisbookisnotmoreinterestingthanthatone.Nomore…than含有消极否定的意思,译为A与B都不……Notmore…than说明比较的双方都是好的,都给予肯定,意为“A不像B……或没有达到……程度”几种易引起误解的比较结构2.nomorethan与notmorethanHehaslearnednomorethan100words.Hehaslearnednotmorethan100words.Ihavenomorethanfivedollar
8、sonme.Ihavenotmorethanfivedollarsonme.no