**what Happened When They Accepted These Crazy Halloween Costume Challenges?** Runway Contest Challenge! Who Do You Think Had The

What happened 和 what's happened两者的区别：是问 what happened？只是想知道过去所发生的事情，而如果用what's happened？则强调对现在的影响。，即想知道过去所发生的什么事. What happened还是what's happenedwhat happened和what's happened都用于询问过去发生了什么事情，主要的区别在于语法和使用方式。what happened是一个过去时态的简单

The helping verb have 2. 'happend' is a spelling mistake of happened. The past participle of the main verb the.

High Schooler Wins The For Her '31 Days of Halloween Costume

Happen to 后面跟的是人名、公司、或其他集合名次和代名词what happened to you?it happens to everybody.

表示“某地 (某时)发生了什么事”，常用“sth.+ happen +地点/时间”这一结构来表达，此时主语应是事情。例如： the.

What happened?和what's happening?的区别是什么？ what happen?表示发生了什么，用于询问发生了什么事情，通常用于过去的事件或突发情况。接下来让我们看下what happen和what happened的用法区别： 1.词性：what happen是用原形动词happen构成的现在时短语，而what happened是用动词happen的过去式happened构成的过去. Here, what's is the contraction of what has. This is the present perfect, which is constructed using: