基于语料库的大学英语示范课中教师课堂话语语块特征研究

A Corpus-based Study on the Lexical Chunks of Classroom Discourse in College English Demonstration Class

在二语习得、话语分析和短语学相关理论框架内,结合以往此类研究的质性分析方法和语料库量化分析方法,通过考察大学英语教师参加示范课教学的视频及转写文本,并辅以问卷调查和访谈等形式,对教师课堂话语的话语量、词汇特征、语块总体特征和话语标记语块特征进行了探讨分析,以期帮助广大大学英语教师关注和审视课堂上教师话语的使用现状和存在的问题,进而改进并提高课堂话语质量,提升课堂交际和教学效果。

Within the theoretical framework of second language acquisition, discourse analysis and phra- seology, we studied the video and transcribed text of HPU college English demonstration classes with the method of both qualitative analysis and quantitative analysis （including corpus analysis, questionnaire survey and interview） , and found out the features of classroom discourse in terms of its quantity, vocabulary, lexical chunks and discourse markers. The findings will shed some light on the present situation and problems of classroom discourse in college English class, and help teachers improve their language used in class, thus enhancing the teaching effect.