He has always been a good neighbour 为什么用been
He has always been a good neighbour 他一直是个好邻居.
为什么用been 我一直对been不是很了解,比方用is那又为什么不可以呢?
人气:369 ℃ 时间:2020-04-06 08:28:43
解答
因为been是与(have和has)一起用的现在完成时
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