高中语文课本第四册《文言句法的一些特点》一文讲判断句提到,“文言里还有判断句里用‘乃’‘为’的。”举出两个例句: ①当立者乃公子扶苏。②如今人方为刀俎,我为鱼肉,何辞为? 并指出:“‘乃’‘为’相当于现代汉语的判断词‘是’。”我们考虑这种说法不能帮助学生准确地理解古汉语的判断句。判断句是谓语对主语加以判断的句子,通常是名词谓语句。现代汉语判断句的典型格式是“主语+系词(判断词)+谓语”,而古汉语判断句(这里 In the fourth sentence of “Some Features of Classical Syntax of High School Chinese Textbook”, the judgment sentence mentions that “in the classical Chinese, there are also determinants in the sentence that use ’Nai’’ as’.” To quote two example sentences: Susu. 2 Nowadays, the human side is a knife and I am a fisherman. What do you mean by this? He points out: “’Nai’’is’’ is equivalent to the modern Chinese judgment word ’Yes’’. We cannot consider this statement to help students understand the ancient Chinese accurately. The judgment sentence. Judgment is a sentence that the predicate judges the subject, usually a noun predicate sentence. The typical format of judgment sentences in modern Chinese is “subject + cop(judgment) + predicate”, and the ancient Chinese judgment sentence (here