must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别

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must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别
must have+P.P 与may,might could have +p.p的区别
may have +P.P.might have +P.P .could have +p.P 之间的区别

must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别
must have+P.P是表示对过去发生的事情的肯定推测,“一定已经.”的意思.如：I didn't hear the phone,I must have been asleep.(我没听到电话响,那时我一定是睡着了)
may have +P.P.might have +P.P 表示对过去某事做可能性推测,might与may同义,只是其可能性比may更小.如：He is late.He maight have met an accident.(他迟到了,或许出了意外)
could have +p.p通常用否定形式could not have +p.p,或疑问句,表示对过去事情否定或疑问的推测.

must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别求懂英语的解释一下这些分别是什么时态1.{isbe {am + p.p（过去分词）{are2.be {was +p.p{were3.have/has been + p.p4.will be + p.pbe going to be + p.p5.must/may/need/can/should/ + be + p.p6.{isbe {am + being + p.p{are We have an English evening (p ) on May 5th must have done 与 may have done 的反义疑问句详解 Are you going to have dinner at 6 p.m.的肯定与否定回答 i must have my car repaired 为什么要加 have?P 178 -Hey,everybody is here except Tom.What's wrong -He must().He stayed up until 12 p.m.last nightA.be sleeping B.sleepC.forgetD.have slept 关于can may must 与need-----i'm afraid i need a pair of glasses.i_______hardly see the words on the blackboard-----that's terrible .you may have got poor eyesight.A.can B.must C.may D.need老师讲的是A 我想知道为什么他们的区别在 Can you finish ____(have)meal at ten p.m. 50 p.m they have sports什么意思 I'm glad that I have p() the exam l'm tired. l ( ) take a rest. 待选词：can / may / have to / must to 急!啊!快点! .I have your name,please.------Yes,Smith.S-M-I-T-H.[A.Must b.May c.Do d.Need] Shall I have an icecream?I`m afraid you___have supper now.在com,should,must,may里选！同一件事件发生的概率(P)与频率(M)的关系为A.P=MB.P>MC.P m的平方(p-q)与?分解因式的结果是m（p-q)(m-1）填单词may i use your m- p-?i want to call my mother.may i use your m- p-?i want to call my mother.我可以用你的M－P?我想给我妈妈打电话. 从公式p=m/V,p与m成正比,与V成反比,对吗?