英语下面这几句话有什么差别?What happenedWhat has happenedWhat has happening第三个是What has been happening-_-

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英语下面这几句话有什么差别?WhathappenedWhathashappenedWhathashappening第三个是Whathasbeenhappening-_-英语下面这几句话有什么差别?Wh

英语下面这几句话有什么差别?What happenedWhat has happenedWhat has happening第三个是What has been happening-_-
英语下面这几句话有什么差别?
What happened
What has happened
What has happening
第三个是What has been happening-_-

英语下面这几句话有什么差别?What happenedWhat has happenedWhat has happening第三个是What has been happening-_-
What happened译成:发生什么事情了?(简单的询问)
What has happened译成:到底发生什么事情了?(强调对现在造成的结果和影响)
比如:你看见陌生人行为怪异,你话说What happened?当你和好朋友见面时,他大哭不止,你要说What has happened?
What has happening 这句话语法上就不对

第一个是过去时态,等二个是过去完成时.第三个是现在进行时

第一个用于询问刚才发生了什么事,第二个在书面语言中我们看过去的事对现在造成了什么影响…第三个貌似是错误的用法…考得最多的是第一个…

时态问题,过去式,过去完成时,过去进行时