在国内英语教学中,教授语法常以句子为基础。但在英语中很少有语法脱离语篇而独立存在的现象;当教师以句子为单位教授语法时,在对第二语言和外语的教学和测试中,就会显露其负面效果。本文阐述了以语篇为基础的语法教学在交际教学法课堂中的运用,并探讨其可行性。 In domestic English teaching, the teaching grammar is often based on sentences. However, in English, there are very few grammatical phenomena that exist independently from discourse; when teachers use grammar to teach grammar, negative results are revealed in the teaching and testing of second language and foreign language. This article elaborates the use of discourse-based grammar teaching in the communicative teaching method and discusses its feasibility.