战神厄洛斯:what has happen 和what was happen 和what happen有什么区别,它们后面都能加to吗?
来源:百度文库 编辑:高校问答 时间:2024/05/19 22:14:57
???
前两个句子都是错的!
1.what has happened 完成时态
2.what was happening 过去进行时态
第三个通常也应该说:what happened/happens 一般过去或者一般现在时态
都可以加to
三者只是时态不同,用法都一样。
别听他们的 happen和take place是没有被动语态的。只有what had happened和what happen
what was happened 后面不能加to
what has happen 和what was happen 和what happen有什么区别,它们后面都能加to吗?
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