句子分析:He hurt his leg yesterday.That's why he didn't come.

问题描述:

句子分析:He hurt his leg yesterday.That's why he didn't come.
why he didn't come 能算成后面句子的表语吗?还有后面的句子对于前面句子是承上的作用吧?这两个句子还可以修改成一句话也就是从句的形式?还有其实有时候的承上或启下的两个句子,和从句表达的效果是一样的,只不过它们以两句话来表达了而已是吧?

why he didn't come 是定语从句.后面的句子对于前面句子是承上的作用.这两个句子还可以修改成一句话也就是从句的形式:That's why he didn't come is He hurt his leg yesterday.还有其实有时候的承上或启下的两个句...