举例子说明
He had gone to London. 他去了伦敦. 表示 他已经去了，属于瞬间动词(暂短性 动词)，不与一段时间连用。
She had gone to hospital with migraines when I was nine. 我九岁的时候她因偏头痛去医院。
词组 be gone 亡不见了 ----> 过去完成时 had been gone
All of that had been gone that afternoon and evening. 所有的这一切在那天的下午和傍晚都消失了。
