如题所述
举例I have been away for two weeks .
我离开两周了
I have gone there 我已经去那里了(言外之意,人不在此地)I have been there before.我曾经去过那里(言外之意,曾经到过。人去了彼地又回来了,现在人身在此地)
so ga
嗯嗯