What happened和what has happened是什么意思?

What happened和what has happened是什么意思?
二者有什么区别,举个例子

金兀术 1年前已收到1个回答举报

共回答了25个问题采纳率：92% 举报

意思为发生了什么
what happened是一般过去时,强调动作发生在过去,但与现在无关.what has happened 是现在完成时,动作也发生在过去,但对现在还有影响或结果,也就是说结果仍然存在.不知你明白了吗?
比如路上发生事故,你看热闹问：what happened 注重事件性.而后者是比如你朋友出事故了,你上前去问他：what has happened 注重过程性.

1年前

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