外语教师话语行为中的元语言现象分析

元语言是一种“工具语言”或“人为语言”，元语言不仅在语言知识领域中广泛应用，还是外语教学活动中非常重要的一部分。通过在语法词汇层面上的编码，元语言作为一种符号系统参与交际活动，有助于在目的语语境下完成师生间的课堂话语交际。作为话语交际工具，元语言具有双重作用：作为过渡性语言有助于师生间的话语交际，作为辅助性语言可以帮助学生理解词语、语言现象及语法规则。文章探讨元语言在外语教师的课堂活动中所具有的重要意义、在外语教师话语行为中的具体体现，以及对于外语教学的启示。

Metalanguage analysis of foreign language teachers' discourse behavior

As a matter of fact,matalanguage is a kind of instrumental language or manmade language.Therefore,matalanguge is not only widely used in linguistic field but also an important part of foreign language teaching.As a symbol system to participate in communicative activities,metalanguage can help teacher and students conduct communicative activities in class successfully at the background of target language through the coding of grammar and vocabulary.As a communicative instrument,matalanguage can play a dual r...