本文利用宋柔先生开发的CCRL检索系统对2000年1月《人民日报》中的“因为”因果句进行了穷尽性调查统计,分析了“因为”因果句中因果正序与因果倒序的各种形式及其所表达的语法意义,指出在教学中因果倒序应与因果正序一样列为语法教学内容,而在教学顺序上应晚于因果正序,而且其内部各种形式应按照难易顺序进行教学。 In this paper, CCRL retrieval system developed by Mr. Song softly conducts an exhaustive survey of the “because” causal sentences in “People’s Daily” in January 2000 and analyzes the positive and negative causation of causal The various forms of the descending order and the grammatical meanings it expresses, points out that causal descending in teaching should be listed as the grammar teaching contents in the same way as the causal positive order, but should be later in the teaching order than the causal positive order, and its internal various forms should Follow the easy order to teach.