语法——情态动词Research findings show we spend about two hours dreaming every night,no matter what we ____have done during the day.横线上填may,请解释语法并翻译.为什么不能用 could?
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![语法——情态动词Research findings show we spend about two hours dreaming every night,no matter what we ____have done during the day.横线上填may,请解释语法并翻译.为什么不能用 could?](/uploads/image/z/13001303-47-3.jpg?t=%E8%AF%AD%E6%B3%95%E2%80%94%E2%80%94%E6%83%85%E6%80%81%E5%8A%A8%E8%AF%8DResearch+findings+show+we+spend+about+two+hours+dreaming+every+night%2Cno+matter+what+we+____have+done+during+the+day.%E6%A8%AA%E7%BA%BF%E4%B8%8A%E5%A1%ABmay%2C%E8%AF%B7%E8%A7%A3%E9%87%8A%E8%AF%AD%E6%B3%95%E5%B9%B6%E7%BF%BB%E8%AF%91.%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E8%83%BD%E7%94%A8+could%3F)
语法——情态动词Research findings show we spend about two hours dreaming every night,no matter what we ____have done during the day.横线上填may,请解释语法并翻译.为什么不能用 could?
语法——情态动词
Research findings show we spend about two hours dreaming every night,no matter what we ____have done during the day.
横线上填may,请解释语法并翻译.
为什么不能用 could?
语法——情态动词Research findings show we spend about two hours dreaming every night,no matter what we ____have done during the day.横线上填may,请解释语法并翻译.为什么不能用 could?
may/might have done的意思是:可能做过某事,对发生的事的较不肯定的推测.
例如:
I haven't seen him for a long time.I am not sure what has happened to him.He might have gone abroad.
could have done有两重意思:1.本来能做,但没有做成;2.可能已经做了某事,对已发生的事情进行的较为肯定的推测.
这个句子的意思是:研究发现,不管我们白天可能做过什麽,我们每晚要做大约两个小时的梦.
可能,表示推测···