Mr Smith works in beijing,he has been there since 1978

问题描述：

Mr Smith works in beijing,he has been there since 1978
为什么是has been 而不是has gone呢
不是说 has been表示去过么已经回来了的比如说 has been there twice 表示去过两次
而has gone 表示去了在那还没回来么?

1个回答分类：英语 2014-11-24