概述
暂无
用法
暂无
例子
暂无
可尝试扩展句子。越复杂的句子,分析结果越丰富。
It is believed that practice makes perfect.
这是一个复杂句。
It is believed that practice makes perfect.
It形式主语
is believed •••谓语动词短语(复合结构)(被动语态)
that practice makes perfect.真实主语
practice makes perfect.
这是一个主语从句,其时态为一般现在时。
practice主语
makes {表语}系动词短语
perfect.表语(形容词)