虚拟语气(顺口溜)演示教学.ppt

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1、虚拟语气(顺口溜)二二.实际意义上的虚拟语气实际意义上的虚拟语气1 1、小小顺口溜、小小顺口溜虚拟语气并不难虚拟语气并不难,从句时态都提前从句时态都提前,主句主句wouldwould加在前,注意动词要还原。加在前,注意动词要还原。(省略(省略if if要倒装)要倒装)e.g.e.g.1 1)If I If I werewere in your shoes,I in your shoes,I wouldwould accept the accept the terms.terms.2 2)If we If we had lefthad left earlier,we earlier,we wou

2、ldnt have wouldnt have missedmissed the train.the train.3 3)I wish I I wish I werewere as clever as you as clever as you2 2、虚拟语气在、虚拟语气在条件句条件句中的应用中的应用所述所述情况情况 if if 从句从句 主句主句 与过与过去相去相反反if+if+主语主语+had done+had done主语主语+would/could/+would/could/might/should+have might/should+have done done 与现与现在相在相反反 i

3、f+if+主语主语+did+did(bebe动词用动词用werewere)主语主语+would/could/+would/could/might/should+do might/should+do 与将与将来相来相反反 if+if+主语主语+did+didif+if+主语主语+were to+do+were to+doif+if+主语主语+should+do+should+do主语主语+would/could/+would/could/might/should domight/should do此表中需要注意几点:此表中需要注意几点:1 1bebe动词在表示与现在事实相反的从句中一般用动词在表

4、示与现在事实相反的从句中一般用werewere。在非正式情况下,第一、第三人称后偶尔。在非正式情况下,第一、第三人称后偶尔也用也用waswas。如:。如:If he were/was you,he would go at once.If he were/was you,he would go at once.2 2主句主句中的中的shouldshould通常用于第通常用于第一一人称,人称,would,would,couldcould以及以及mightmight可以用于各种人称。可以用于各种人称。3 3在表示与在表示与将来将来事实相反的事实相反的条件句条件句中,只能用中,只能用shouldsho

5、uld,而不能用,而不能用would,couldwould,could和和mightmight等。如:等。如:If it should rain tomorrow,we would not go If it should rain tomorrow,we would not go camping.camping.(should rainshould rain也可以用也可以用rained,were to rained,were to rainrain代替)代替)4 4、主句和、主句和if if条件句时态不一致条件句时态不一致(单独虚拟)(单独虚拟)。如:。如:If he If he had re

6、ceivedhad received six more votes,he six more votes,he would bewould be our our chairman now.chairman now.If you If you were were in better health,we in better health,we would havewould have allowed allowed you to join them in the work.you to join them in the work.含蓄条件句含蓄条件句有时为了表达的需要,在虚拟语气中并不总是出现有时为

7、了表达的需要,在虚拟语气中并不总是出现if if引导的条件句,而通过其他手段来替代条件句。引导的条件句,而通过其他手段来替代条件句。1 1用介词短语替代条件句。常用介词有用介词短语替代条件句。常用介词有with,with,without,but forwithout,but for等。如:等。如:We couldnt have succeeded We couldnt have succeeded without without your your help(=If we hadnt got your help).help(=If we hadnt got your help).What wo

8、uld you do What would you do withwith a million dollars?a million dollars?But forBut for the rain the rain(=If it hadnt been for the=If it hadnt been for the rainrain),we would have finished the work.,we would have finished the work.2.2.假设的情况又是可以通过假设的情况又是可以通过上下文上下文或其他方式表或其他方式表现出来。如:现出来。如:1 1)He woul

9、d have given you more help,He would have given you more help,but but he he has been ill.has been ill.2 2)I was ill that day.I was ill that day.OtherwiseOtherwise I would have I would have taken part in the parade.(if I hadnt been ill,)taken part in the parade.(if I hadnt been ill,)but,otherwisebut,o

10、therwise连接的两个并列的分句存在连接的两个并列的分句存在单独单独虚拟虚拟现象,即:现象,即:一个一个分句为分句为虚拟虚拟句,句,另一个另一个分句为分句为真实真实句。句。3 3)It would be a mistake not to help him.(It It would be a mistake not to help him.(It would be a mistake if we didnt help him.)would be a mistake if we didnt help him.)Anyone in her position would have done the

11、 same.Anyone in her position would have done the same.有些句子相当于一个条件从句,谓语也可用虚拟有些句子相当于一个条件从句,谓语也可用虚拟语气。语气。4 4)SupposeSuppose we told her the truth.we told her the truth.5 5)ImagineImagine your child played truant.your child played truant.省略省略if if的情况的情况如果从句中含有系动词、情态动词或助动词如果从句中含有系动词、情态动词或助动词(were,had,sho

12、uldwere,had,should或或could could)时,可时,可省略省略if if,把从,把从句中的句中的were,hadwere,had或或shouldshould或或couldcould提到其主语前形提到其主语前形成成倒装结构倒装结构。如:。如:Had we made(=If we had made)adequate Had we made(=If we had made)adequate preparations,we might have succeeded.preparations,we might have succeeded.Were it not for their

13、 assistance,we would be in Were it not for their assistance,we would be in serious difficulty.serious difficulty.Should there be a flood,what should we do?Should there be a flood,what should we do?3 3、实际意义上虚拟语气在其它从句中的应用、实际意义上虚拟语气在其它从句中的应用(从句时态都提前从句时态都提前)wishwish后后thatthat引导的宾语从句中。如:引导的宾语从句中。如:I wish

14、 I I wish I werewere as clever as you.as clever as you.I wish he I wish he would trywould try again.again.(表示与将来事实相反)(表示与将来事实相反)as ifas if(thoughthough)引导的表语从句或方式状语从句引导的表语从句或方式状语从句中。如:中。如:He looks as if/though he He looks as if/though he were were an artist.an artist.would ratherwould rather后的宾语从句中。

15、后的宾语从句中。(would ratherwould rather后后不能加不能加thatthat。)。)从句谓语用从句谓语用一般过去时一般过去时来表示与现在或将来要做来表示与现在或将来要做的相反的事情,用的相反的事情,用过去完成时过去完成时来表示与过去发生来表示与过去发生的相反的事情。如:的相反的事情。如:Id rather you Id rather you didnt godidnt go there.(there.(与将来相反)与将来相反)Id rather we Id rather we hadhad a rest now.a rest now.(与现在相反)(与现在相反)Id ra

16、ther you Id rather you had beenhad been here yesterday.here yesterday.(与过(与过去相反)去相反)If onlyIf only引导的感叹句中。如:引导的感叹句中。如:If only I were a bird.If only I were a bird.(我要是只鸟就好了。)(我要是只鸟就好了。)三三.虚拟语气形式虚拟语气形式1)1)复合句中含有复合句中含有suggest,advise,recommend,propose,(suggest,advise,recommend,propose,(建议、安排建议、安排)demand

17、,require(request),ask,urge,desire,demand,require(request),ask,urge,desire,(要求、渴望要求、渴望)insist,orderinsist,order(坚持、命令坚持、命令)等等,以及其派生词以及其派生词 (如:(如:suggestion,advicesuggestion,adviceideaidea)复合句中所含有的复合句中所含有的名词性从句名词性从句中的谓语动词要用中的谓语动词要用should do,should should do,should 可以省略。如:可以省略。如:The doctor suggested/in

18、sisted that she(should)stay The doctor suggested/insisted that she(should)stay in bed for a few days.in bed for a few days.We all agreed to his suggestion that we(should)We all agreed to his suggestion that we(should)give up the plan.give up the plan.注意注意:当:当suggestsuggest作作“暗示、表明暗示、表明”讲,讲,insistins

19、ist作作“坚持说坚持说”讲,即坚持事实是怎样时,后边讲,即坚持事实是怎样时,后边thatthat从句从句不用虚拟语气。如:不用虚拟语气。如:Mike Mike insistedinsisted that he that he had never stolenhad never stolen anything.anything.The look on his faceThe look on his face suggested suggested that he that he waswas angry.angry.2)2)在在It is+It is+形容词形容词(necessary,impo

20、rtant,natural,(necessary,important,natural,strange,etc.)+thatstrange,etc.)+that从句中,从句中的谓语动词要从句中,从句中的谓语动词要用用should do,should should do,should 可以省略。如:可以省略。如:Its necessary that we(should)clean the room Its necessary that we(should)clean the room every day.every day.3 3)在)在It is/was a pityIt is/was a pi

21、ty(a shame,no wonder,etc.a shame,no wonder,etc.)+that+that从句中,从句中的谓语动词要用从句中,从句中的谓语动词要用should should do,should do,should 可以省略。如:可以省略。如:It was a pity that our team should lose the game.It was a pity that our team should lose the game.当然上面当然上面2)2)、3)3)两类的两类的thatthat从句中也可以从句中也可以不用虚不用虚拟语气,拟语气,而而用陈述语气。用陈述

22、语气。如:如:It is strange that he did not come yesterday.It is strange that he did not come yesterday.It is a pity that you cant dance.It is a pity that you cant dance.4)4)It isIt is(high/abouthigh/about)timetime(that that sb.didsb.did)句式句式中常用动词的过去式。中常用动词的过去式。此句型表示此句型表示“该该”,用来表示提议。如:,用来表示提议。如:It is high

23、time we started out.It is high time we started out.5)5)以以in order that,so thatin order that,so that(或起同样作用的或起同样作用的that)that)引引起的从句中谓语动词多用起的从句中谓语动词多用maymay或或mightmight加动词原形加动词原形构成,在口语中也常用构成,在口语中也常用cancan或或couldcould加动词原形。如:加动词原形。如:She stayed at home for a few days so that she She stayed at home for a

24、 few days so that she might(could)might(could)take care of her mother.take care of her mother.6)6)以以for fear thatfor fear that 和和in case thatin case that引起的从句中,位于引起的从句中,位于动词多用动词多用 should doshould do.如:如:He took his raincoat with him in case that/for fear He took his raincoat with him in case that/fo

25、r fear that it should rain.that it should rain.四四.某些表祝愿的句子也需要用虚拟语气。某些表祝愿的句子也需要用虚拟语气。1 1)用原形)用原形Long Long live live world peace!world peace!God God blessbless you!you!2)2)由由may may 加动词原形构成加动词原形构成May May you be happy all your life.you be happy all your life.此课件下载可自行编辑修改,仅供参考!此课件下载可自行编辑修改,仅供参考!感谢您的支持,我们努力做得更好!谢谢感谢您的支持,我们努力做得更好!谢谢

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