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1、形容词(比较级和最高级)(一)原级as+形容词原级+asTomisastallasJack.HespeaksEnglishasfluentlyasyou.Mycomputerisnotso/asexpensiveasyours.注意:1.almost,exactly,just,quite,nearly,half等词可用来加强as…as结构的语气。Thisbookisjustasinterestingasthatone.2.几种变化形式:asmuch+不可数名词+asThereisasmuchwaterinthisbottleasinthatone.asmany+可数名词复数+asBobha
2、sreadasmanybooksasMary.as+形容词+不定冠词+可数名词单数+asGermanisasdifficultalanguageasChinese.as+形容词+不可数名词+asBreadisasimportantfoodasrice.“as+形容词+(a/an)+名词+as”表示同级比较,注意中间的形容词和名词并列时各自所在的位置。Itisgenerallybelievedthatteachingisasmuchanartasscience.一般认为教学如同科学一样是一门艺术。(二)比较级形容词比较级+thanJohnworksharderthanMary.Thispic
3、tureismorebeautifulthanthatone.Thisbookisbetterthanthatone.注意:1.形容词比较级的规则和不规则变化。2.much,still,even,far,byfar,alot,abit,agreatdeal等词可置于比较级前,加强语气。Couldyoudriveabitmoreslowly?3.以-or结尾的含有比较意义的形容词后接to不接than。如superior,inferior,senior,junior等。Heis4yearsseniortome.高考链接【2011·上海春招·28】We’dbeexposedtoalot____p
4、ollutionifyoumovedtoatownwithpurewaterandair.A.moreB.mostC.lessD.least【解析】选C。考查形容词比较级的用法。句意为“如果你们搬到空气清新、水质纯净的小镇去,你们受到的污染将会少得多。”空格前的alot修饰比较级more或less。4.几种特殊结构(1)the+比较级,the+比较级“越……,越……”Thehigherheclimbs,thefartherhewillsee.(climb,see)ThemoreyouuseEnglish,themoreyouwillwanttolearnit.(use,want)(2)比较
5、级+and+比较级“越来越……”Ourcountryisbecomingstrongerandstronger.Myschoolisbecomingmoreandmorebeautiful.(3)主语+比较级+thanany(other)…ChinaislargerthananycountryinAfrica.ChinaislargerthananyothercountryinAsia.(4)倍数的表达倍数+as+形容词原级+asThisroomisthreetimesaslargeasthatone.倍数+形容词比较级+thanThisroomistwicelargerthanthato
6、ne.倍数+thesize/length/weight/height/width/…+of…Thisroomisthreetimesthesizeofthatone.(三)最高级the+形容词最高级+比较范围Heisthetallestboyinourclass.ThisisthemostbeautifulcityI’veevervisited.注意:1.形容词最高级前要加定冠词。Sheisthemostbeautifulgirlinourclass.2.形容词最高级前有时加不定冠词,或不加冠词,不表示比较,表示“非常”。Heisamostcleverpoliceman.3.最高级可被序数
7、词以及much,byfar,nearly,almost,bynomeans,notquite等词语修饰。Heisbyfarthemostpopularsingerinourpub.4.not,never之类的否定词与形容词的比较级连用,表示最高含义。Howbeautifulsheis!Ihaveneverseenamorebeautifulone.5.有些表示“最高程度”的形容词,如excellent,extreme,p