中国学习者英语笔语中的词块能力研究

中国学习者英语笔语中的

词块能力研究许家金中国外语教育研究中心北京外国语大学1LexicalChunksinChineseLearners’Writing(WECCL)XuJiajinBeijingForeignStudiesUniversity2InterpretationsContentsHowtoextractchunksinWS4?ComparisonsofchunksChunksOtherareasofcollocation3chunk词块/fl/clweek/pujz/chunks.pptChunk/lexicalbundle/n-gram/multi-wordunit(expression)/formulaicsequence/prefabsCluster(词丛)

inWordSmith4Whyislexicalchunkimportant?BreaklanguageintounitsonaprobabilisticbasisRecurrentPsychologicallyreal5Whyislexicalchunkimportant?Form-functioncompositeCanwebuildtheentireedificeoflanguagesolelyonlexicalchunks?Ifnot,whatarethebricks&mortaroflanguage?6LexicalgrammarLexico-grammarPatterngrammarConstructiongrammarCollostructionetc7ResearchquestionArethereanydifferencesofchunkusebetweenChineselearnersofEnglishandNNS?Whataresomeofthepossibleunderlyingreasons?8LexicalchunkextractioninWS4Step01Clusterin[Concord]:FocusingonindividualwordsWS4中词块的自动提取9LexicalchunkextractioninWS4Step02Clusterin[WordList]IndexingcorpusdatabeforecomputingclusterWS4中词块的自动提取10LexicalchunkextractioninWS4Step03Howtoindexacorpus?1.[Settings-Index]Firstassignanametothetext(s)tobeindexed2.[Make/AddtoIndex]Thenindextheselectedtext(s).tokensand.typespairWS4中词块的自动提取11Step04ExtractingclustersinWordList[WordList-Open]*.tokens[Compute-Clusters][File-Save]/[File-SaveAs]122-8wordclusterlist多词词表ofWECCLandLOCNESSwecclindex2-wordclusters…wecclindex6-wordclusterslocnessindex2-wordclusters…locnessindex6-wordclusters13Step05keywordlistgenerationtotestforchunkover-andunder-usesignificance[Keywordlist]－[New]ReferencecorpusChi-squaretest卡方检验Loglikelihood对数拟然检验Keynesspvalue≤.0514类似研究管博、郑树堂，2005，中国大学生英语口语SmallWords的研究，《外语教学与研究》第6期。15OthertoolsforextractinglexicalchunksKfngramWilliamFletcher√CollocationExtractionC-ngramN-gramPhraseExtractTomCobb’sPagePIE:PhraseinEnglishFletcher16AquicksummaryChunkdefinedHowtoextractchunksfromacorpuswithWS4HowtocomparechunkswithkeywordInterpretation17AbibliographyofchunkresearchAspectsofcollocationstudy18/wqf.rar

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