I want to know that the usage of "been".What condition I can use it?
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这个问题有难度哟！"been"用做＂be＂和＂go＂两个词的过去分词：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).不大好说，你自己在好好查查字典，琢磨琢磨吧．
I want to know that the usage of "been".What condition I can use it?
这个问题有难度哟！"been"用做＂be＂和＂go＂两个词的过去分词：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).不大好说，你自己在好好查查字典，琢磨琢磨吧．