'happend' is a spelling mistake of happened. 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? The past participle of the main verb the meaning is.
Jenelle Evans Fires Back At Son Jace After He Leaks Explosive Texts
This is the present perfect, which is constructed using: The helping verb have 2. 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.
Master regular and irregular forms to describe past habits and ongoing actions.
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How to say sorry in english: 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 Here, what's is the contraction of what has.
