could have done 的意思

来源：学生作业帮编辑：搜搜考试网作业帮分类：英语作业时间：2024/06/04 05:57:17

could have done 的意思
有的书说意思是
"过去可能做过某事"
但有的书却说是
"本来可以做某事(而实际上没做)"
究竟谁对呢?

都对,这需要语境分析.
意思1：过去可能做过某事
I can't imagine how he could have thought of doing such a thing.
我不能想象他怎么会想到做这样的事.
这里的could表示对可能性的一种推测.
意思2：本来可以做某事(而实际上没做)
But for your help,I could have fed the fishes.
若不是你搭救,我恐怕已经葬身鱼腹了.
第二种意思更常见

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