现在完成时什么时候需要用到beenMy brother has never been abroad befoer,so he is finding this trip very exciting.求此处been的用法

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现在完成时什么时候需要用到beenMy brother has never been abroad befoer,so he is finding this trip very exciting.求此处been的用法

现在完成时什么时候需要用到beenMy brother has never been abroad befoer,so he is finding this trip very exciting.求此处been的用法
现在完成时什么时候需要用到been
My brother has never been abroad befoer,so he is finding this trip very exciting.
求此处been的用法

现在完成时什么时候需要用到beenMy brother has never been abroad befoer,so he is finding this trip very exciting.求此处been的用法
我的妈妈以前从未出过国,这里的去国外,单词应为到达国外,而到达是短暂性动词,这里是从过去一直延续到现在,理应使用延续性动词,所以要用been来代替.