本文对中学教师课堂话语标记语的使用情况研究完全基于以上数据。
The study results mainly include the following:First, there are limited DMs used by the teachers.
课堂语境具有很强的可构建性，教师话语标记语对课堂语境的构建起着重要的作用。
Classroom context is strongly constructive, so teachers' discourse markers play an important role in the construction of classroom context.
外语课堂教学是学习者习得第二语言的重要环节，教师话语是组织课堂教学、培养学生交际能力的关键。
Foreign language teaching plays an important role in learner's second language acquisition and teacher talk is the key to organizing class and fostering students' communicative competence.
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