been
pp of be. been, NOTE ON USAGE 用法
Been is used as the past participle of both `be´ and `go´ *been用作`be´和`go´两字的过去分词
I´ve never been seriously ill (be). 我从未得过大病(动词原形为 be).
I´ve never been to London (go). 我从未去过伦敦(动词原形为 go). Gone is also a past participle of `go´ *gone也是`go´的过去分词
They´ve been to the cinema means that they went and have returned. `他们去过电影院'意思是他们去了而且已回来了. They´ve gone to the cinema means that they went and are not back yet. `他们去电影院了'意思是他们去了但是还没回来.