在德语词法和德语句法中，我们会经常碰到有关was的用法。由于有关was 的语法点涉及的语法范围较广，因此我们在学习was的用法时难以观其全貌。笔者根椐教学经验把was的具体用法总结为以下三点： 一、was作为疑问代词（das Interrogativpronomen）往往以第一 格，第四格的形式 In German and German syntax, we often encounter the use of was. Since the grammar point about was covers a wide range of grammars, it is difficult to see the whole picture of the was used. The author based on teaching experience to the specific usage of was summarized as the following three points: First, was as interrogative pronouns (das Interrogativpronomen) often in the first grid, the fourth grid form