The reason why he didn’t attend the meeting is that he was ill句型分析

问题描述:

The reason why he didn’t attend the meeting is that he was ill句型分析
并且,The reason why he didn’t attend the meeting is that he was ill中,引导词why能不能省略,
第二句,Very few of the 50 pence pieces and pound coins I have given him have found their way there,为什么”I have given him 前面没有引导词?
这两个句子有什么相同点,有什么不同点?

The reason why he didn’t attend the meeting is that he was ill中,引导词why可以省略,第二句,Very few of the 50 pence pieces and pound coins I have given him have found their way there,I have given him ...