有谁知道关于why,because等的句型,比如the reason why.is...

你给的问题太泛了,有点不知道怎么回答你,不过我尽力吧
1.The reason why+句子 is that+句子
The reason why he‘s late is that he got up late.
2.The reason is that+句子
The reason is that that he got up late.
3.It’s because+句子
It's because he got up late.
注意前两个句型用的是that,用because就错.

that is why .....这就是.......的原因
it is because.......that.......强调句型