Jessie佳佳酱
三种词性
①adj.
已完成的；煮熟的；合乎礼仪的；合乎规矩的
②int.
感叹词，表示接受建议。
③v.·做（do的过去分词）；干
区别
“would+have+done”虚拟语气，表示对过去事情的假设，意思是“本来会做”。
例句
1. I would have told you all about the boy's story, but you didn't ask me. 我本来会告诉你这个小男孩的故事，但是你没有问我。
2. Without your help, I wouldn't have achieved so much. 没有你的帮助，我是不会取得如此大的成绩。
“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。
He could have passed the exam, but he was too careless. 本来他能够通过考试，但是他太粗心。
相关知识点
must+have+done
表示对过去事情的肯定推测，译成“一定做过某事”，该结构只用于肯定句。
1. It must have rained last night, for the ground is wet. 昨晚一定下雨了，因为地面还是湿的。
2. You must have been mad to speak to the servant. 你和仆人说话，一定是发疯了。 [1]
can't+have+done
表示对过去事情的否定推测，译成“不可能做过某事”。
1. Mr. Smith can't have gone to Beijing, for I saw him in the library just now. 史密斯先生不可能去北京了，我刚才还在图书馆见过他。
2. Mary can't have stolen your money. She has gone home. 玛丽不可能偷你的钱，她回家去了。
can+have+done
表示对过去行为的怀疑，用于疑问句，译成“可能做过……吗？”。
1. There is no light in the room. Can they have gone out? 屋里没有灯，他们可能出去了吗？
2. There is nowhere to find them. Where can they have gone? 到处找不到他们，他们可能到什么地方去呢？
may+have+done
表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。
—What has happened to George?
—I don't know. He may have got lost.
—乔治发生了什么事？
——我不知道，他可能迷路了。
might+have+done
刘小刘1234
done 英[dʌn] 美[dʌn] adj. 已完成的; 煮熟的; 合乎礼仪的; 合乎规矩的; int. （表示接受建议） ; v. 干; 做( do的过去分词); [例句]When her deal is done, the client emerges with her purchase.交易完成后，委托人会出现并将她购买的东西交给她。[其他] 原型： do
蹦蹦跳跳321
done完了，好了Nowit'salloverandIamdone现在一切结束了，我完了Iamdonewithmyhomework.我的家庭作业已经做完了。隐约记得Iamdonewithyou.也行我们之间完了但最好用，iamsqarewithyou.或者:wearesquare.Ihavereturnedhismoney,andnowIamallsquarewithhim.我已经还了他的钱，现在我跟他俩已清了。
susanwangyue
done\x0d\x0a形容词 adj.\x0d\x0a1.已完成 \x0d\x0aI have got to go out as soon as this job is done.\x0d\x0a完成这项工作后我马上就要出去。\x0d\x0a2.煮熟的 \x0d\x0aThe meat’s ready but the vegetables still are not done.\x0d\x0a肉食已经好了, 蔬菜还未做好。\x0d\x0a3.合乎礼仪；合乎规矩；得体\x0d\x0a感叹词 interj.\x0d\x0a1.(表示接受建议) \x0d\x0a“I’ll give you twenty pounds for it.”“Done!”\x0d\x0a“我出价二十英镑。”“成交!”\x0d\x0a2.处境艰难；注定完蛋；肯定不行 \x0d\x0aThe supplies are so low that we will be done for in a few days if help doesn’t come soon.\x0d\x0a补给太少了，如果得不到救援的话，我们几天之内就会完蛋。\x0d\x0aI think the project is done for—the money’s almost gone and we’ve got no results after three years’ hard work.\x0d\x0a我认为这个项目肯定不行，钱几乎花光了，苦干了三年仍毫无结果。\x0d\x0a3.因轻微违法受罚 \x0d\x0aI got done for speeding on my way back home.\x0d\x0a我在回家的路上因超速行驶而受罚。\x0d\x0a4.与( 某人) 断绝关系；做完，了结(尤指令人不快的事情) \x0d\x0aI’m fed up with you lot! I’m done with you for ever!\x0d\x0a我受够了你们这些人！我再也不想跟你们有任何关系！\x0d\x0aLet’s have done with this silly argument.\x0d\x0a我们停止这种愚蠢的争吵吧。\x0d\x0a5.了结 \x0d\x0aWell I’m glad that’s over and done with. I was so nervous.\x0d\x0a我很高兴终于结束了，我刚才很紧张。\x0d\x0a6.(计划或活动等)已经完全结束(或准备好了) \x0d\x0aEverybody else seems to think the deal will be done and dusted by lunchtime, but I’m not so sure.\x0d\x0a似乎大家都觉得这笔交易在午饭前就能完成，可是我却不那么肯定。\x0d\x0a7.木已成舟的事情；无法改变的决定(或安排等) \x0d\x0aThe managing director denied that the merger was a done deal, and said they were still in negotiations.\x0d\x0a总经理否认合并已经敲定， 声称此事仍在商讨中。\x0d\x0a8.筋疲力尽 \x0d\x0aI feel absolutely done in!\x0d\x0a我累死了！\x0d\x0a9.合乎礼仪的行为； 得体的举止 \x0d\x0aSmoking while somebody else is eating is not the done thing.\x0d\x0a在其他人吃饭的时候吸烟是不得体的行为。\x0d\x0aIt’s the done thing to dress for dinner in this hotel.\x0d\x0a在这家宾馆用餐着正装才是合乎礼仪的。\x0d\x0a10.烹调得恰到火候 \x0d\x0aWe had a wonderful dinner, with chicken done to a turn and home-grown vegetables.\x0d\x0a我们吃了顿丰美的晚餐，鸡肉做得恰到火候，还有自家种的蔬菜。\x0d\x0a11.(表示惊奇、烦恼等) 怎么搞的 \x0d\x0aSomeone’s gone and locked the door and I haven’t got a key!\x0d\x0a谁那么讨厌把门锁上走了，我没有带钥匙！\x0d\x0aWhat’s he been and done now?\x0d\x0a他又在做什么？
moncherisii
done [dʌn]adj. 完成了；做好了的；煮熟的；合乎礼仪的v. 做（do 的过去分词）have done [口语] ◎了结，做完，结束 ◎(Have done!) 停止!够了!算了吧! done in 疲倦不堪 had done 过去完成时 done for 不中用的；疲倦不堪 希望我的回答对你有帮助 如有疑问 请在线交谈 祝你新年快乐 心想事成 O(∩_∩)O
