課本中不會(huì)教你的[T]662　the reason why…is that

662　the reason why…is that

◎ 這個(gè)句型表示“做……的原因是……”，why 引導(dǎo)的從句看作同位語(yǔ)從句，對(duì)reason作具體解釋，that引導(dǎo)表語(yǔ)從句，that不可省。這個(gè)句型可簡(jiǎn)化為：The reason is that…，但不可說(shuō)The reason is because…。

The reason why he didn't come to the party is that his son fell ill. 他沒有來(lái)參加聚會(huì)的原因是他兒子病了。

The reason why he can't stay is that he has something urgent to do. 他不能留下來(lái)的原因是他有些急迫的事情要做。

The reason is that she thought she was unfit for it. 理由是她認(rèn)為她不是很能勝任。