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1、PERGAMONEnglishforSpecificPurposes19(2000)63±86Collocationalframeworksinmedicalresearchpapers:agenre-basedstudyMariaJoseÂLuzonMarcoCentroPolitecnicoSuperior,DepartmentodeFilologiaInglesayAlemana,MariadeLuna3,50015,Zaragoza,SpainAbstractEachgenrefavourssomelinguisticstructuresandelementsoverothers.Th
2、epresentpaperrevealstheusefulnessofcorpus-basedanalysistodiscoverthelinguisticpatternsselectedandfavouredbyaspeci®cgenre.Itanalyzestheuseofcollocationalframeworks,ordiscontinuoussequencesofwords,inacorpusofmedicalresearchpapersanddescribestheintermediatewords,orcollocates,which®lltheseframeworks.The
3、resultsshowthattheframeworksthe...of,a...of,andbe...to,whenusedinmedicalpapers,encloserestrictedsetsoflexicalitemsandthattheselectionofspeci®ccollocatesfortheseframeworksisconditionedbythelinguisticconventionsofthegenre.#1999TheAmericanUniversity.PublishedbyElsevierScienceLtd.Allrightsreserved.1.Int
4、roductionTheprepatternednatureofspeechhasbeenthefocusofahighnumberofstudies,whichhaveanalyzedcontinuoussequencesofwordswhichrecurinlanguage(Altenberg,1993;Kjellmer,1991;Moon,1994;Nattinger&DeCarrico,1992;Sinclair&Renouf,1988).Theunderlyingassumptionofthesestudiesisthattheidiomprinciple(Sinclair,1991
5、)iscrucialtounderstandtheproductionoftexts:languageincludes``alargenumberofsemi-preconstructedphrasesthatconstitutesinglechoices''(Sinclair,1991:110),thatis,ithasanimportantphraseologicalcomponent.Nattinger(1980)(:76)describeslanguageuseasa0889-4906/99/$20.00+0.00#1999TheAmericanUniversity.Published
6、byElsevierScienceLtd.Allrightsreserved.PII:S0889-4906(98)00013-164M.J.L.Marco/EnglishforSpeci®cPurposes19(2000)63±86```compositionalprocess',whichconsistsin`stitchingtogether'preassembledphrases''.Theconsiderationoflanguageasaphraseologicalsystemisinoppositiontothetraditionalclear-cutdistinctionbetw
7、eenlexisandgrammar.Theconceptofcollocationalframeworks(Renouf&Sinclair,1991),ordiscontinuoussequencesofwords,hasbeenusefulinthatithasrevealedthattheprepatterningoflanguageisnotonlyconcernedwithlexical
