"What happen" is incorrect?
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"What happen" is incorrect?
"What happen" is incorrect?
"What happen" is incorrect?
是错的,应该用what happened
注：Happen 的三种用法与三点注意
一、happen是不及物动词.happen在初中英语教材中的用法主要有以下三种：
1."sth.+happen+地点/时间",意为"某地/某时发生了某事".例如：
An accident happened in that street.那条街发生了一起事故.
What's happening outside?外面发生什么事了?
2."sth.+happen to+sb."意为"某人出了某事(常指不好的事发生在某人身上)".例如：
A car accident happened to him yesterday.昨天他发生了交通事故.
What happened to you?(=What was wrong / the matter with you?)你怎么啦?
3."sb.+happen+to do sth."意为"某人碰巧做某事".例如：
I happened to meet her in the street.我碰巧在街上遇见她.
It happened that I was out when he called.他来访时我碰巧不在.
二、同学们在使用happen时,以下三点情况值得注意：
1.happen为不及物动词,不能用于被动语态.例如,要表示"这个故事发生在去年."不能说：The story was happened last year.但可以说：The story happened last year.
2.happen为短暂性动词,不能与表示一段时间的状语连用.例如,要表示"这事发生一年了."不能说：This happened for one year.但可以说：This happened one year ago.
3.happen一般用来强调某事发生的偶然性.如要表示事先安排或有准备的事情或活动,则不能用happen,而要用take place.例如：
A sports meeting took place(=was held) in our school last week.上周我校举行了运动会.(不能说：A sports meeting happened in our school last week.)
What happened. 是正确的
yes,\"what happen\" is incorrect
因为你问“发生了什么”，事情必定已经发生
所以what happened
What's happened? =What has happened?
What's happening? =What is happening?
But "What happen" is incorrect
what happen有三种理
what had happened什么事已经发生了（也表已经发生了的事，指过去的过去，语气要比下面一个强）
what has happened什么事发生了（一般指刚发生过了，可能过了一段时间了）
what happened刚刚发生了什么事，也是过去时，