why引导的主语从句why he didn't come is that he was ill. 对吗?

why引导的主语从句why he didn't come is that he was ill. 对吗?
why引导的主语从句
why he didn't come is that he was ill. 对吗?

why引导的主语从句why he didn't come is that he was ill. 对吗?
对的,他没来的原因是他病了.
也可以这样表达:The reason why he didn't come is that he was ill.
The reason for his absence is that he was ill.