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1、认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 Q1Q1：情态动：情态动词词后跟什么后跟什么？must +?认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 事 实 He is here.He lives here.推 测 He must be here.He must live here.must do 认识到了贫困户贫困的根本原因，才
2、能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 事 实 He is sleeping now.He was sleeping then.推 测 He must be sleeping now.He must be sleeping then.must be doing 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 事事 实实 He has been here.He has left here.He was here yesterday.He left here yesterday.
3、He had been here.He had left here.推推 测测 He must have been here.He must have left here.He must have been here yesterday.He must have left here yesterday.He must have been here.He must have left here.must have done 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 事事 实实 He has been working l
4、ate.He had been working late.推推 测测 He must have been working late.He must have been working late.must have been doing 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 must be done-must have been done-Modal verbs can be followed by:主主 动动 被被 动动一般式一般式 must do进行式进行式 must be doing完成式完成式 must h
5、ave done完成进行式完成进行式 must have been doing认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目1.-I stayed at a hotel while in New York.2.-Oh,did you?You _ with Barbara.3.A.could have stayed B.could stay4.C.must have stayed D.would stay5.2.-I didnt know you were good friends.6.-You _.I have known
6、 her since she moved here.You were studying abroad then.7.A.may have B.must have 8.C.couldnt have D.couldnt 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目Q2Q2：情态动词表什么含义？：情态动词表什么含义？1.表示能力能力 2.表示义务义务、责任责任、必要必要 3.表示请求请求、许可许可、禁止禁止 4.表示习惯和倾向习惯和倾向 5.表示意志意志 6.表示推测推测认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到
7、病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 6.情态动词情态动词表示表示推测推测 can /could “可能可能”may/might “可能可能”should/ought to “应该应该；总该总该；想必想必”must “一定一定；肯定肯定”will /would “会会”认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 理论理论(泛泛泛泛)可能性可能性1.In those days,a man might be hanged for stealing a sheep.=在那个年代，偷一只羊就可能可能被
8、绞死。2.It was a place where anything could happen.=那可是个任何事物都会都会发生的地方啊。3.After having a baby,a woman may suffer from depression for several months.=妇女生了孩子后，可能可能有好几个月情绪低沉。4.Scotland can be very warm in September.=九月的苏格兰可能可能非常暖和。(过去过去)(现在现在)认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 现实现实
9、(具体具体)可能性可能性1.-Where is Emma?-I dont know.She may be out shopping.2.-Where is Sarah?-She could/may/might be at Joes place.3.-Who is that at the door?-It can only be the postman.(can only =must)认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 现实现实(具体具体)可能性可能性 句句 式式 情情 态态 动动 词词 含含 义义 肯定句肯定句
10、 must 一定一定 may/might/could 可能可能 (不用不用 can)否定句否定句 cant/couldnt 不不可能可能 may not/might not 可能可能不不 疑问句疑问句 can/could/might 会会 (不用不用 may)认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目1.-Polly is very late.-She _ have missed her train.2.-There is the doorbell.Who _ it be?-It _ be your mother.Sh
11、e is in Edinburgh.3.Where _ they be now?4._ this be true?5.If A is bigger than B,and B is bigger than C,then A _ be bigger than C.6.Edna isnt in her office.She _have gone home.may/might/couldcancantcould/canCould/Can/Mightmustmust认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目7.Where can
12、 she have gone?She cant have gone to school-its Saturday.And she can hardly have gone to church.She could/may/might have gone swimming.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目1.You can be very annoying.=有时你会很让人生气。=Sometimes you are very annoying.2.It can be quite windy on the hill
13、s.=山上有时风很大。=Sometimes it is quite windy on the hills.3.Harvest and Thanksgiving festivals can be very 4.happy events.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 注 意 1 现实(具体)可能性 -否定句、疑问句 can 理论(泛泛)可能性 肯定句、否定句、疑问句 某物或某人的性质特怔性质特怔,译成“有时会有时会”认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已
14、经展开了“精准扶贫”项目 注意注意 2 1.Cars mustnt park in front of the entrance.=It is not allowed.mustnt =不准不准 (表义务、责任)认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目1.The plane should be landing now.=I expect it is landing and it is very likely to be landing.2.The letter should have arrived by now.=I
15、expect it has arrived and it has probably arrived.3.Tom should know the address.=I expect Tom knows it and it is probable that he knows it.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目4.Lets not go shopping now.The shops will be very crowded.5.Lets go shopping now.The shops will be/sho
16、uld be fairly empty.6.Lets go shopping now.The shops wont be/shouldnt be too crowded.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 注 意 3 should/ought to 表推测 二者表推测，指的是合乎期望合乎期望的可能性，表“某事很有可能很有可能如期望发生”，译成“总该.；想必.”。因此当表示使说话者不快的不快的假设时不用 should 或 ought to。认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对
17、扶贫工作高度重视，已经展开了“精准扶贫”项目1.-I hear you have written a novel.2.-Yes,the book _ be out in a month or so.3.A.can B.dare C.should D.need4.2.-Do you think the flight is delayed?5.-It _ be,espcially in such weather.6.A.would B.should C.ought to D.might7.3.The World Wide Web is sometimes jokingly called the W
18、orld Wide Wait because it _ be very slow.8.A.should B.must C.will D.can 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目4.-Is John coming by train?-He should,but he _ not.He likes driving his car.A.must B.can C.need D.may5.Jack _ yet;otherwise,he would have telephoned me.A.mustnt have arr
19、ived B.shouldnt have arrived C.cant have arrived D.need not have arrived.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 Modal verbs can be sorted according to their meanings:表 能力能力 :can /be able to 肯定句中表过去长期泛泛能力 肯定句中表过去具体某时能力 否定句中可表过去具体某时能力 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，
20、已经展开了“精准扶贫”项目表 推测推测 :can(could)/may(might)/should(ought to)/must Note1:can(could)/may(might)/must 表推测(具体某时可能性)Note2:can 在肯定句中表泛泛可能性,即某人或某物的性质特征 Note3:should =ought to 表推测 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目表“许可许可 ”：may(might)/can(could)/shall 表“义务义务 ”：must/have to/should/ough
21、t to/shall 表“需要需要 ”：need （常用于否定疑问句）表“意愿意愿 ”：“就是（不）愿”will/would 表“习惯习惯 ”：“老是；总是”will/would/used to表“敢敢 ”：dare （常用于否定疑问句）表“许诺许诺/威胁威胁”：shall 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 a)情态动词完成式 ：表“本 .”should have done ought to have done 本 该做(而没做 )shouldnt have done oughtnt to have done
22、 本 不该做 (而做了)neednt have done 本 没必要做(而做了)could have done 本 可以 做(而没努力去做)1.-We walked up out of breath yesterday.-You neednt have walked up.We could have taken the lift.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 b)may/might (just)as well do sth.不妨做某事；还是做某事好 may/might well do sth.很可能做某事
23、 may do sth.,but .尽管.但是./也许.但是.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目1.Its late,so I may as well go to bed.2.She may well refuse to speak to you,because shes in a very bad mood.3.That coat may have cost a lot money,but it is worth it.4.他尽管胖了点，但仍能跑得快。He may be fat,but he can still run fast.认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 c)if you must(do sth.)表“如果你一定要（那么做）”（虽不赞同但可允许）1.-Can I smoke here?-If you must.