NCE Lesson 18.首句 how might some of the exhibits have been dangerous?1.might换成may可吗?2.为什么是have been dangerous 觉得把have been 换成 are好不?

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NCE Lesson 18.首句 how might some of the exhibits have been dangerous?
1.might换成may可吗?
2.为什么是have been dangerous 觉得把have been 换成 are好不?

意思是:一些陈列的展示品怎可能会有危险性呢?
这里how might 表示“如何、怎么(可能)”的意思,在发问时多使用how might,而不是how may.
how it might have been...是固定用法.