任务型教学法是外语教学界提出的“过程教学大纲”(process syllabuses或procedure syllabus)的产物。“过程教学大纲”提出“重心转移”(a shift of emphasis),即从“要学生学什么”转为“让学生在实践中感悟到什么是怎么被学到的”。前者的重心在于学语言的内容(subject),后者的重心在于学习和掌握语言的 Task-based teaching is a product of the “process syllabuses” or “procedure syllabus” proposed by the foreign language teaching community. “Process syllabus ”proposes “a shift of emphasis”, that is, from “study students” to “allow students to realize in practice how they are learned” ". The former focuses on the subject of language learning. The latter focuses on learning and mastering language.