convinced 用法
问题描述：
convinced 用法
convinced that his son was out of danger,he fell asleep at ease after two sleepless nights.为什么用 convinced
主语是he 为什么不用convincing呢？
答
convinced that his son was out of danger作状语,后边的逻辑主语是he
过去分词表状态
be convinced ...(确信.）