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1、The subjunctive mood 虚拟语气,语气,英语的动词一般可带有三种不同的语气：陈述语气，祈使语气和虚拟语气。不同的语气用动词的不同形式（有的还借助句法形式）来表示。,虚拟语气,虚拟语气是一种特殊的动词形式，一是用来表示说话人所说的话不是一个事实，而是一种假设、猜测、怀疑等(在条件从句中或让步状语从句中)；一是表示说话人的愿望、要求、命令、建议等(在宾语从句、表语从句、同位语从句)。,虚拟语气的概念,一、虚拟语气在条件句中,If+主语+动词的过去式（动词be用were),主语+should,would,might,could动词原形,If+主语+had+过去分词,主语should
2、,would,might,couldhave done,1、If+主语+动词过去式2、If+主语+were to+动词原形3、If+主语+should+动词原形,主语should,would might,could动词原形,eg:If I had time,I would attend the meeting.If he had hurried,he could have caught the train.If I were to go abroad,I would go to America.,如果我是你，我就会努力学习,如果我知道他的电话号码，我就给他打电话了,如果明天下雨的话，我们会取消
3、比赛,If I were you,I would work harder at my lessons.,If I had known his telephone number,I would have called him.,If it should were to rain,we would call off the match.,More practice:,使用虚拟条件句要注意的几点：,当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为：错综时间条件句“，动词的形式要根据它所表示的时间作出相应的调整,If you had followed my advice,you w
4、ould be better now.,If you had studied hard before,you would be a college student now.,如果你听我的建议，你现在就会痊愈了,如果你努力学习的话，你现在就会是大学生了,4.Jean doesnt want to work right away because she thinks that if she _ a job she probably wouldnt be able to see her friends very often.a.has to get b.were to get c.had got d
5、.could have got15.If her husband _ in the war,she would not be helping others with the housework now.a.had not been killed b.hadnt killed c.wasnt killed d.would not have been killed,The Subjunctive Mood 典型例题,虚拟语气的省略 在条件句中，可省略 if，把were,had,should 提到句首，变为倒装句式,If I were at school again,I would study ha
6、rder.Were I at school again,I would study harder.If you had come earlier,you would have met him.Had you come earlier,you would have met him.If it should rain tomorrow,we would not go climbing.Should it rain tomorrow,we would not go climbing.,6.Had he worked harder,he _ the exams.a.must have got thro
7、ugh b.would have got through c.would get through d.could get through9._ for your help,wed never have been able to get over the difficulties.a.Had it not b.If it were not c.Had it not been d.If we had not been 14._ today,he would get there by Friday.a.Would he leave b.Was he leaving c.Were he to leav
8、e d.If he leaves,The Subjunctive Mood 典型例题,二、虚拟语气在名词从句中的运用,（1）用于宾语从句,、wish 后面的宾语从句中。一般用虚拟语气，表示一种不可能实现的愿望。其谓语动词形式为：,表现在过去时表过去过去完成时表将来would,might,could动词原形,I wish(that)I were a bird.I wish(that)I had seen the film last night.I wish(that)I wouldcould go.,2.用于表示命令、建议、要求等一类词后面的宾语从句。,insist,order,command,
9、suggest,advise,propose,require,request,demand,desire etc.,We suggested that the meeting(should)be put off.,They insisted that the boy(should)go with them.,注意：suggest 当表示“暗示、表明“讲时，insist 表示”坚持认为“之意时，应用陈述语气。,The smile on his face suggested that he was satisfied with our work.,The man insisted that he
10、had never stolen the money.,他脸上的表情表明他对我们的工作很满意,那个人坚持说他没有偷钱,在suggestion/proposal/order/plan/advice/idea/request 等名词后的表语和同位语从句中要用“should动词原形”should可以省略,（2）用于表语从句和同位语从句,My idea is that we(should)think it over before accepting it.,My suggestion that we(should)have a meeting has been accepted by others.,
11、We all agree to that suggestion that the meeting(should)be put off.,A.在句型“It is important(necessary,strange,natural)that.”中，that 后面的从句中的谓语动词用：should+动词原形 我们有必要出去散散步。Its necessary that we should have a walk now.2 她这样做是很自然的。Its natural that she should do so.3 重要的是我们要照顾好病人。Its important that we should
12、take good care of the patient.,（3）虚拟语气在 在主语从句中,B.在It is demanded/suggested/ordered/required.that-clause句型中从句用(should)+动词原型It is demanded that we should work out a plan.,C.在 It is a pity/a shame/no wonder that.句型中从句也常用(should)+动词原型 Its a pity that you(should)miss a good chance.,1.It is essential that
13、 the application forms _ back before the deadline.a.must be sent b.would be sent c.be sent d.were sent2.I dont think it advisable that Tom _ to the job since he has no experience.a.is assigned b.will be assigned c.be assigned d.has been assigned7.It is of the utmost importance that you _ here on tim
14、e.a.be b.shall be c.are to be d.must be,The Subjunctive Mood 典型例题,1.It is(high/about)time that从句中的谓语动词用过去式或should动词原形，should不能省略,三、虚拟语气在其他从句中,It is high time that you went/should go to school.,2.If only 引导的感叹句（要是该有多好啊)表示现在的情况,应用过去式;如果是过去的情况,应用过去完成时态,If only I knew the answer!If only I had seen the f
15、ilm yesterday!,3.would rather+从句动词用过去式或过去完成时,I would rather you told me the truth.I would rather you had gone there last Sunday.,4.as if(as though)看起来常用虚拟形式，即表示与现在事实相反，用过去式；与过去事实相反用过去完成式(had done).,He treats/treated the boy as if he were his own son.,He speaks/spoke as if he had known about it,5.eve
16、n if(even though)即使,Even if he were here,he could not solve the problem.,Even if I had been busy then,I would have helped you.,8.Its time _ about the traffic problem downtown.a.something was done b.everything is done c.anything will be done d.nothing to be done10.He always talks as though he _ a pub
17、lic meeting.a.is addressing b.addressed c.addresses d.address11.Id rather you _ anything about it for the time being.a.do b.didnt do c.wont do d.hadnt done,The Subjunctive Mood 典型例题,四 情态动词+have donecould have done 本来可以-might have done 本来可能-should/ought to have done 本来应该做-shouldnt/ought not to have d
18、one 本不该做-你本不应该告诉她真相。You shouldnt have told her the truth.neednt have done 本不必做-比较：didnt need to do 没必要做也没有做-我没必要擦窗户。我兄弟做了I didnt need to clean the windows.My brother did it.would have done 本来会去做-,我没有足够的钱否则我会买那本书的,I didnt have enough money,otherwise I would have bought that book.,大学英语虚拟语气考题总结,1.(shou
19、ld)+动词原形(一般式/被动式/否定式)记住信号词（名词，动词，形容词，分词等）以及lest.2.一般过去时：wish/If only/would rather/Its time(high/about)that.3.基本形式（主要考与过去和将来相反的虚拟语气）,特别注意时间状语(混合时间虚拟)4.倒装的两个时间：与过去，与将来相反；三个形式(Had/Were/Should)提前大写，if省去.5.but/or/or else/otherwise(跳层虚拟语气),16.She didnt tell anybody where she would go lest her husband _ her.a.find b.had found c.finds d.would find17.I would rather _ politely to her.a.you speak b.you will speak c.your speaking d.you spoke19.Linda did tell me what to do.If only I _ her advice.a.take b.took c.would take d.had taken,The Subjunctive Mood 典型例题,
