一、引言系统功能语言学派的创始人韩礼德对语篇的定义是:“The word text is used in Linguistics to refer to any passage,spoken or written,of whatever length,that does form a united whole(Halliday,1976).”语篇分析的起源若是从结构主义者Zellig Harris(1952)算起,已有50年的历史。在过去的半个多世纪里,不少学者在语篇分析方面做出了不懈的努力,提出了很多新的观点和新的分析方法,这种从语言使用的角度分析语篇 I. INTRODUCTION The definition of discourse by the founder of Systemic Functional Linguistic School Halliday is: “The word text is used in Linguistics to refer to any passage, spoken or written, of whatever length, that does form a united whole (Halliday, 1976). ”The origin of discourse analysis has been 50 years since it began with structuralist Zellig Harris (1952). In the past half century, many scholars have made unremitting efforts in discourse analysis, and put forward many new ideas and new analytical methods. This analysis of discourse from the perspective of language use