在外语教学中,学生犯语言错误是一种司空见惯的普遍现象。几乎在外语教学的每个阶段,每个方面,错误都有可能出现。教师的纠错对外语学习者起着非常重要的作用,它能让学习者清楚地认识到自己的学习情况,进一步激发学习者努力学习。外语教师的一项重要任务是预防和纠正学生的语言错误。 In foreign language teaching, students make language errors is a common phenomenon commonplace. Almost every aspect of foreign language teaching, every aspect, mistakes are possible. Teachers’ error correction plays a very important role for foreign language learners. It enables learners to clearly recognize their learning situation and further stimulate learners to study hard. An important task for foreign language teachers is to prevent and correct their language errors.