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1、小升初英语语法零基础:may have done用法小结may/might have done 推测过去“may/might+动词的完成式”表示对过去发生的行为的推测。例如:-Whatever has happened to George?-乔治发生了什么事?-I dont know. He may have got lost.-我不知道,他可能迷路了。You might have read about it in the papers.你可能在报上已经看过这个消息了。(之前我们做过can have done用法小结,can have done表推测时都是对过去进行推测,但是may have
2、done不仅可以推测过去)may/might have done 推测现在“may/might+动词的完成式”表示对现在情况的推测。例如:She might have got up now.现在她可能已经起床了。may/might have done 预测未来“may/might+动词的完成式”表示推测将来某时之前的情况。例如:He may have left when you get there.等你到达的时候他可能已经离开了。注意:may have done 和 might have done 表推测时,might 所表示的可能性比 may 小,语气较委婉:How quickly time
3、 passed! It might have happened yesterday.时间过得好快啊!这事好像就发生在昨天。He might have seen the surprise in my face.他或许已经看到了我惊异的表情。might have done 表轻微责备might have done 除了能够表推测,还能表示过去本来可以做而实际并没有做。这时带有轻微的责备之意。例如:The proposal might have been refused.这个建议本该拒绝的。(有轻微的责备之意)I might have taken another path.我本可以走另一条路。may
4、 not/mightnt have done 表“可能不”之前我们讲到过 cant/couldnt have done 是表示“不可能”,而 may not/mightnt have done 则是表示“可能不”,要注意区分哦:He cant have been at the meeting, hes on a business trip this week.他不可能有出席会议,他这周出公差。We couldnt have done it without you.没有你我们肯定完成不了。They may not have known it beforehand.他们事先可能不知道这事儿。They mightnt have regarded me as their friend.他们可能没有把我当作朋友看待。3