本文基于Salager-Meyer批评言语行为的分析理论,采用对比的方法,即从模糊语,叙述人称以及评论对象三方面构建出作文言语行为的分析框架。课本是学生英语学习的主要输入途径之一,故采用学生作品与教材课文相对比的方法进行研究,同时结合语用学中礼貌原则和合作原则等探讨学生作品中观点表达类语句的一些语用错误。 Based on the analysis of Salager-Meyer’s criticism of speech act theory, this article uses a comparative method to construct the analysis framework of verbal act from the perspectives of vague language, narrator and comment object. Textbook is one of the main input ways for students’ English learning. Therefore, it uses the method of contrasting students’ work and textbook text to study and discusses some pragmatics of opinion expression sentences in students’ works by combining politeness principle and cooperation principle in pragmatics. error.