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比较级&最高级同级比较1.as...as和...一样A+be/系+as+adj.+asChineseisasimportantasMaths.2.notas...as不如A+be/系+not+as+adj.+asThedeskisnotasexpensiveasthecomputer.=Thedeskischeaper(lessexpensive)thanthecomputer.*A+do(didn’t/doesn’t/don’tdosth)as+adv+asB比较级和最高级的形成*一般单音节词和少数以-er，-ow结尾的双音节词，比较级在后面加-er，最高级在后面加-est；eg.small→smaller→smallestshort→shorter→shortest*以不发音e结尾的单音节词，比较在原级后加-r，最高级在原级后加-steg.large→larger→largestnice→nicer→nicestable→abler→ablest*在重读闭音节（即：辅音＋元音＋辅音）中，先双写末尾的辅音字母，比较级加-er，最高级加-est；eg.big→bigger→biggesthot→hotter→hottestfat→fatter→fattest*以“辅音字母＋y”结尾的双音节词，把y改为i，比较级加-er，最高级加-esteg.easy→easier→easiestheavy→heavier→heaviestbusy→busier→busiesthappy→happier→happiest*其他双音节词和多音节词，比较级在前面加more，最高级在前面加most；eg.beautiful→morebeautiful→mostbeautifuleasily→moreeasily→mosteasily*有少数形容词、副词的比较级和最高级是不规则的eg.good/well→better→bestbad→worse→worstill→worse→worstmany/much→more→mostlittle→less→leastfar→further/farther→furthest/farthest注意：（1）形容词最高级前通常必须用定冠词the，副词最高级前可不用。TheSaharaisthebiggestdesertintheworld.（2）形容词most前面没有the，不表示最高级的含义，只表示非常。Itisamostimportantproblem.=Itisaveryimportantproblem.形容词比较级*形容词比较级句型：主语+动词+形容词比较级+than+比较对象*原型前+very/too/so/quite比较级前+much/even/get/alittle...Ifeelmuchbetternow.Ifeelevenworse.*只可同类比较Myhouseisbiggerthanyours(yourhouse)*比较级and比较级，越来越....Theyaregettingricherandricher.Ourcityisgettingmoreandmorebeautiful.*ofthetwo用“the+比较级”表示两者中最...It’sthecheaperofthetwo.*the+比较级，the+比较级越...就越...Themorecarefulyouare,thebetteryouwillbe.*在比较级中，通常用that代替上文中提到的单数/不可数，复数用thoseThewaterinthiscupislessthanthatinthatcup.*Who/Whichis....，AorB用比较级Whoisslimmer,MarryorMillie?形容词最高级形容词最高级句型：主语+动词+the+形容词最高级+of+比较对象（in+比较范围）*用于三者及以上ofthethree/inourclassHeisthetallestboyofthethree/inourclass.*最高级前+the，副词前不加theSheisthebestofthethree.Shesingsbestofthethree.*oneofthe+最高级+n.(复数）最...之一Sheisoneofmybestfriends.*the+序数词+形容词最高级+n.(单数）...是...的第几TheYellowRiveristhesecondlongestriverinChina.*比较级和最高级的转化Heisthetallestboyinhisclass.=Heistallerthananyotherboyinhisclass.=Heistallerthanalltheotherboysinhisclass.*any和anyotherYangtzeRiverislongerthananyotherriverinChina.YangtzeRiverislongerthananyriverinAmerica.副词比较级句型：动词+副词比较级+than+比较对象副词最高级句型：动词+副词最高级+of+比较对象（in+比较范围）比较事物的多少两种数量的比较*比...多more+可数/不可数thanIhavemorejuicethanhim.*比...少less+不可数thanWedrinklesscoffeethanthem.fewer+可数thanHehasfewerfriendsthanI.三者及以上的比较*最多themost+可数/不可数Ihavethemostapplesamongthethreeofus.*最少theleast+不可数/thefewest+可数Milliehastheleastjuice.Milliehasthefewesteggs.翻译练习：HedranklessmilkthanIdid.LucyspendsmoretimelearningEnglishthanMillie.There’remoretomatoesinthisboxthaninthatbox.Ihavethemoststorybooksinourclass.Iborrowedthefewestbooksfromthelibrary.Whohasthemostmoneyintheworld.Hedidtheleastworkofall.