What happened还是what's happened"what 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 'happend' is a spelling mistake of happened. Happened is past tense ie- the storm had happened a week before the playoffs.
Aug 14, 2023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. 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. In this case "what's happened" means "what.
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