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. Lexical Chunks in Chinese Learners ’ Writing (WECCL) Xu Jiajin Beijing Foreign Studies University.

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Presentation transcript:

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

Lexical Chunks in Chinese Learners ’ Writing (WECCL) Xu Jiajin Beijing Foreign Studies University

3 Interpretations Contents How to extract chunks in WS4? Comparisons of chunks Chunks Other areas of collocation

4 chunk 词块 ujz/chunks.ppt Chunk/lexical bundle/n-gram/multi- word unit (expression)/formulaic sequence/prefabs Cluster ( 词丛 ) in WordSmith

5 Why is lexical chunk important? Break language into units on a probabilistic basis Recurrent Psychologically real

6 Why is lexical chunk important? Form-function composite Can we build the entire edifice of language solely on lexical chunks? If not, what are the bricks & mortar of language?

7 Lexical grammar Lexico-grammar Pattern grammar Construction grammar Collostruction etc

8 Research question Are there any differences of chunk use between Chinese learners of English and NNS? What are some of the possible underlying reasons?

9 Lexical chunk extraction in WS4 Step 01 Cluster in [Concord]: Focusing on individual words WS4 中词块的自动提取

10 Lexical chunk extraction in WS4 Step 02 Cluster in [WordList] Indexing corpus data before computing cluster WS4 中词块的自动提取

11 Lexical chunk extraction in WS4 Step 03 How to index a corpus? 1. [Settings-Index] First assign a name to the text(s) to be indexed 2. [Make/Add to Index] Then index the selected text(s).tokens and.types pair WS4 中词块的自动提取

12 Step 04 Extracting clusters in WordList [WordList-Open] *.tokens [Compute-Clusters] [File-Save]/[File-Save As]

word cluster list 多词词表 of WECCL and LOCNESS weccl index 2-word clusters … weccl index 6-word clusters locness index 2-word clusters … locness index 6-word clusters

14 Step 05 keyword list generation to test for chunk over- and under-use significance [Keyword list] － [New] Reference corpus Chi-square test 卡方检验 Log likelihood 对数拟然检验 Keyness p value ≤.05

15 类似研究管博、郑树堂， 2005 ，中国大学生英语口语 Small Words 的研究，《外语教学与研究》第 6 期。

16 Other tools for extracting lexical chunks Kfngram William Fletcher √ Collocation Extraction C-ngram N-gram PhraseExtract Tom Cobb ’ s Page PIE: Phrase in English Fletcher

17 A quick summary Chunk defined How to extract chunks from a corpus with WS4 How to compare chunks with keyword Interpretation

18 A bibliography of chunk research Aspects of collocation study

Thank you!

Lexical _JJ Chunks _NN2 in _II Chinese _JJ Learners ’ _NN2 Writing _NN1 Xu Jiajin