高中英语语法虚拟语气-PPT.ppt
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1、高中英语语法虚拟语气高中英语语法虚拟语气英语有三种不同的语气英语有三种不同的语气:陈述语气陈述语气,祈使语气和虚拟语气祈使语气和虚拟语气1.陈述语气陈述语气(TheindicativeMood)陈述事实陈述事实,提出看法提出看法形式有肯定,否定,疑问,感叹句。形式有肯定,否定,疑问,感叹句。Iamnotinterestedinwhatyousaid.HaveyoueverbeentoFrance?Whatasplendidpalace!22.祈使语气祈使语气(The Imperative Mood)表请求,邀请,命令,警告或劝告等表请求,邀请,命令,警告或劝告等.Lets have a tal
2、k.Dont jump in the queue.3虚拟语气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)。虚拟语气的概念虚拟语气的概念4 一、一、虚拟语气在条件句中虚拟语气在条件句中If+主语主语+did(be动词用动词用were)主语主语+should,would,might,coulddoIf+主语主语+haddone主语主语should,would,might,couldhavedone1、If+主语主语+did2、If
3、+主语主语+wereto+do3、If+主语主语+should+do主语主语should,wouldmight,coulddo5eg:IfIhadtime,Iwouldattendthemeeting.Ifhehadhurried,hecouldhavecaughtthetrain.IfIweretogoabroad,IwouldgotoAmerica.如果我是你,我就会如果我是你,我就会更更努力学习努力学习如果我知道他的电话号码如果我知道他的电话号码的话的话,我就给他打电话了,我就给他打电话了如果明天下雨的话,我们会取消比赛如果明天下雨的话,我们会取消比赛IfIwereyou,Iwoulds
4、tudyharder.IfIhadknownhistelephonenumber,Iwouldhavecalledhim.Ifitshouldweretorain,wewouldcalloff/cancelthematch.Morepractice:6What would you do if you won the lottery?If I won the lottery,I wouldIf I had a lot of money now,I would travel around the world.7If I won the lottery,I would buy an expensiv
5、e car.8大家有疑问的,可以询问和交流大家有疑问的,可以询问和交流可以互相讨论下,但要小声点可以互相讨论下,但要小声点可以互相讨论下,但要小声点可以互相讨论下,但要小声点9If I had a lot of money,I would buy a villa.10a.If they _(be)here,they _(take)your advice.b.If the world-war _(burst)out again,what _(happen)to our people on earth?werewould takeburstwould happenPRACTICE 1:Fill i
6、n the blanks.11c.If the policeman _(be not)in that room,it _(be)very dangerous.d.If I _(be)in your position,I _(ask)for the teachers help.were notcould bewerewould ask12If he _(drive)more carefully,he _(have)the car accident yesterday.had driven would not have had 13If I _ (learn)how to swim,I _ (be
7、)trapped in this island.had learnt would not have been 14a.If Tom _(be)more careful in the exam,he _(pass)it already.b.If you _ (get)up earlier,you _(catch)the first train.had beenwould have passedhad got/gottenwould have caughtPRACTICE 2:Fill in the blanks.15c.If I _(meet)you yesterday,we _(go)to t
8、he concert together.had metwould have gone16If he got up early,he would be on time.17假如他来了,我们对他说什么呢?If he were to come,what should we say to him.假如他看见我,就会认识我。If he should see me,he would know me.18a.If there _(be)no natural resource any more,we _(make)use of nuclear power.b.What _(happen)if you _(ge
9、t up)too late tomorrow?should beshould makewould happenshould get upPRACTICE 3:Fill in the blanks19c.If Robots _(control)the world some day,here _(be)no friendship.were to controlwould be20真实条件句时态关系 条件状从 主句 一般现在时 shall/will+V原If he comes,he will bring his violin.a.虚拟条件句 表示条件是无法实现或几乎无法实现的,采用虚拟语气。b.真实
10、条件句表示条件是真的或有可能实现的,采用陈述语气。21The volleyball match will be put off if it _.A.will rain B.rains C.rained D.is rained答案B 真实条件句主句为将来时,从句用一般现在时。22ATTENTION:1)在真在真实条件句中条件句中,主句不用主句不用be going to表将来表将来,而用而用shall/will.(wrong)If you leave now,you are never going to regret it.(correct)If you leave now,you will ne
11、ver regret it.232)表示真理时表示真理时,主句谓语动词不用主句谓语动词不用shall(will)+V原原,而直接用一般现而直接用一般现在时。在时。24使用虚拟条件句要注意的几点:使用虚拟条件句要注意的几点:1.当条件状从当条件状从的动作的动作和主句的和主句的动作动作所发生的时间不所发生的时间不一致时,一致时,叫做叫做:错综时间条件句: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动词的形式要根据它所表示的时间作出相应的调整Ifyouhadfollowedmyadvice,youwouldbebetternow.Ifyouhadstudiedhardbefore,yo
12、uwouldbeacollegestudentnow.如果你听我的建议,你现在就会痊愈了如果你听我的建议,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如果你努力学习的话,你现在就会是大学生了25If the staff had been more careful,the mall would not be on fire now.262.if从句中,省略从句中,省略if,将,将were,had,should提前,位提前,位于句首,形成倒装结构。于句首,形成倒装结构。not不能放在前面。不能放在前面。IfIwereatschoolagain,Iwouldstudyharder.Wer
13、eIatschoolagain,Iwouldstudyharder.IfIhadnotseenhimthen,Iwouldnthavebeenveryhappy.HadInotseenhimthen,Iwouldnthavebeenveryhappy.Ifitshouldraintomorrow,wewouldnotgoclimbing.Shoulditraintomorrow,wewouldnotgoclimbing.273 3、含蓄虚拟语气、含蓄虚拟语气 有时为了表达的需要,在虚拟语气中通过其它有时为了表达的需要,在虚拟语气中通过其它手段来代替条件句。手段来代替条件句。常用介词常用介词wi
14、thwith,withoutwithout,but forbut for(要不是);连(要不是);连词词oror,butbut;副词;副词otherwiseotherwise或或in that case(in that case(如果如果是那样的话是那样的话)。281.I was ill that day.Otherwise,I would have taken part in the sports meeting,but I was busy then.=If I hadnt been ill that day,I would have taken part in the sports me
15、eting.2.Without/But for his help,we wouldnt have made such great progress.29Youdidntletmedrive.Ifwe_inturn,you_sotired.A.drove;didntgetB.drove;wouldntgetC.weredriving;wouldntgetD.haddriven;wouldnthavegot30_itraintomorrow,wewouldhavetoputoffthevisittotheYangPuBridge.A.WereB.ShouldC.WouldD.Will31Ifyou
16、_withGeorgeearlier,you_soangrynow.A.talked;wouldnotbeB.hadtalked;wouldnotbeC.wouldtalk;wouldnotbeD.hadtalked;wouldnothavebeen32Ifwehadtakensucheffectivemeasuresmuchearlier,theriver_soseriouslynow.A.isnotpollutedB.wouldnotbepollutedC.hadnotbeenpollutedD.wouldnothavebeenpolluted33Withoutelectricity,hu
17、manbeinglife_quitedifferenttoday.A.isB.willbeC.wouldhavebeenD.wouldbe34Butforhishelp,I_.A.shouldnothavesucceededB.havenotsucceededC.didnotsucceedD.hadnotsucceeded35Hehesitatedforamomentbeforekickingtheball,otherwisehe_agoal.A.hadscoredB.scoredC.wouldscoreD.wouldhavescored36Whydidntyoubuyit?I_butIdid
18、nthavethemoney.A.wouldB.wouldhaveC.hadhadD.hadbought37二、虚拟语气在名词从句中的运用二、虚拟语气在名词从句中的运用(1)用于宾语从句)用于宾语从句、wish后面的宾语从句中。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:语动词形式为:表现在表现在did/were表过去表过去haddone表将来表将来would,might,coulddoIwish(that)Iwereabird.Iwish(that)Ihadseenthefilmlastnight.Iwish(t
19、hat)Iwouldcould/mightgo.38Iwish(that)he_(visit)ustomorrow.Iwish(that)he_(visit)ustoday.Iwishhe_(visit)usyesterday.would/could/might visitvisitedhad visited392.2.用于表示命令、建议、要求等一类词后面的宾语从句。用于表示命令、建议、要求等一类词后面的宾语从句。insist,(一坚持一坚持)order,command,(二命令二命令)suggest,advise,propose,(三建议三建议)require,request,demand,
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