Mr.Smith has been here since the factory opened为

问题描述:

Mr.Smith has been here since the factory opened为
Mr.Smith has been here since the factory opened为什么用has been?

说明这个人从XXX起就已经在这里,表示一个在的过程那为什么不是has gone?原句意思表示已经存在的过程,要用动词也是arrive,reach之类的,go表示一个动作点,不是一种存在的过程,不能用go哦,谢谢!