A clear guide to using the in, on, and at prepositions. The past participle of the main verb the meaning is. The helping verb have 2.
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'happend' is a spelling mistake of happened.
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构成的过去时短语.
Learn the time and place to use each with helpful guidelines and examples. This is the present perfect, which is constructed using: Here, what's is the contraction of what has. Happened to /happened with 区别区别只有一点,就是指意不同:1、happen to sb“某人发生了某事”。可指坏事,也可指好事。例句:what's happened to her?
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 story. 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