that从句 分类：从句 定义 由that引导的名词性从句，that在宾语从句中可省略。 分类 宾语从句 主语从句 表语从句 同位语从句 例句 I know that he is right. (宾语从句) That he is honest is true. (主语从句) 相关术语 名词性从句 that 宾语从句