may have done might have done区别He___you more help.even though he was very busy 为什么不能用may have done呢?may have done 不也能表示过去的推测吗?...关键是他说要用might have done我想问下。

may have done和may have done 的区别RTmay have done和might have done might be和 may have been的区别?还有是might do和 may have done May/might + 动词原形,May/might be doing,May/might have done这三种结构分别在什么时候使用? may have done 和 might have done 都怎么用啊,通俗易懂啊, 分析一下can may must could might could have分析一下can may must could might could have done might have done等 高中英语中can与may,could、might、may、would/+have done 的区别 could have done能不能表示对过去事实的猜测用在肯定句中?与must have done may have done might have done might have done可不可以.might have done 中间可不可以加also,即might also have done ? may have done might have done区别He___you more help.even though he was very busy 为什么不能用may have done呢?may have done 不也能表示过去的推测吗?...关键是他说要用might have done我想问下。 would have done,might have done,could have done,should have done分别表示什么意思? 选词填空：may might may have might have may have had选词填空：may might may have might have may have had can not 高中英语中might have done 和could have done could have done 和 might have done 的区别 might have done 造个句子, He might have given you more help,even though he was busy.他或许会多给你一些帮助,即使他很忙.1.这里的might have done做什么用法2.mightn't have done意思3.may have done 和may have done意思用法一样吗 can,could,may,might,will,would的区别请问上述词的用法、例句、区别,互换时的场合（一直不太会用上面词的情态语气,有时还能互换）谢谢!另外还有can have done,could have done,may have done,might have done,这 can/could have done 和may/ might have done 表示对过去发生事情的猜测 哪一组可能性大一点?.can/could have done 和may/ might have done 都是表示对过去发生事情的猜测 哪一组可能性大一点? may have done sth 和might be 都是表示对过去的猜测 有什么区别?What has happened to Jim?I do not know He ___lostA. might get B.may have got