It is called 'sick humour'.这是主谓定 还是主系ed分词短语作表

问题描述:

It is called 'sick humour'.
这是主谓定 还是主系ed分词短语作表

其实是主谓结构的.it 是形式主语 真正的主语是 sick humor 谓语是 is called.