---Do you think he is lazy?---I----so once ,but I don't now.

问题描述：

---Do you think he is lazy?---I____so once ,but I don't now.
A mey have thought
B can have thought
Cmay think
Dmight think
答案为什么选A?

1个回答分类：英语 2014-11-27

问题解答：

我来补答

A may have thought (虚拟语气：对过去的虚拟)
can一般用在否定句中,can't,意为一定不是. may表猜测,表可能,也许.另,很多人以为 might是may的的过去式其实不是的,在虚拟语气中是个单独的词,也是可能,也许但肯定意为最轻.

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