人教高二英语虚拟语气.ppt
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1、The The 虚拟语气表示一种不能实现的假设。虚拟语气表示一种不能实现的假设。该语法主要用于该语法主要用于if条件状语从句条件状语从句。也可用于也可用于主语从句主语从句、表语从句、宾语从句表语从句、宾语从句等。等。只有在只有在非真实条件句非真实条件句中才使用虚拟语气中才使用虚拟语气.通常有三种情况：通常有三种情况：与与过去过去事实相反。事实相反。与与现在现在事实相反。事实相反。与与将来将来事实可能相反。事实可能相反。虚拟语气虚拟语气条件从句条件从句条件从句的谓语形式条件从句的谓语形式主语的谓语形式主语的谓语形式与过去相反与过去相反IfI(you,he/she,they,we)+had+过去过
2、去分词分词should/would/could/might+have+过去分过去分词词例：例：例：例：IfIhadcomeheryesterday,Iwouldhaveseenhim.IfIhadcomeheryesterday,Iwouldhaveseenhim.Ifyouhadgotupearlier,youcouldhavecaughttheIfyouhadgotupearlier,youcouldhavecaughtthetrain.train.如果你早一点起床，就会赶上火车的。如果你早一点起床，就会赶上火车的。如果你早一点起床，就会赶上火车的。如果你早一点起床，就会赶上火车的。与过去
3、相反与过去相反IftheyIftheyhadstudiedhardhadstudiedhard,they,theycouldhavedonecouldhavedoneititeasilythatday.easilythatday.1.1.如果他们以前努力学习的话，那天干的就会容易些。如果他们以前努力学习的话，那天干的就会容易些。如果他们以前努力学习的话，那天干的就会容易些。如果他们以前努力学习的话，那天干的就会容易些。2.如果他不听取我的建议，他就不会干得这样好。如果他不听取我的建议，他就不会干得这样好。IfheIfhehadnottakenhadnottakenmyadvice,hemyad
4、vice,hewouldnthavewouldnthavedonedoneitmuchbetterlikethis.itmuchbetterlikethis.If I _time last night,I _ to see the film with you.had hadwould have goneIf he more carefully,he the car accident yesterday.had driven would not have had If I how to swim,I trapped in this island.had learnt would not have
5、 been If the staff had been more careful,the mall would not be on fire now.主句与从句的动作发生在不同的时间主句与从句的动作发生在不同的时间,这时主这时主从句位于动词的虚拟语气形式因时间不同从句位于动词的虚拟语气形式因时间不同而不同而不同,这叫做混合条件句这叫做混合条件句.例句中从句与过去事实相反例句中从句与过去事实相反,主句与现在事实相反主句与现在事实相反Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.条件从句条件从句条件从句的谓语形式条件从句的谓语形式主语的谓语形式
6、主语的谓语形式与与现在现在相反相反IfI(you,he/she,they,we)+动词过去动词过去式式should/would/could/might+动词原形动词原形例：例：例：例：IfIwereateacher,Iwouldbestrictwithmystudents.IfIwereateacher,Iwouldbestrictwithmystudents.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.hadHIVhadHIVwouldfeelwouldfeelwere
7、werewouldbewouldbe与与现在现在相反相反Whatwouldyoudoifyouwonthelottery?IfIwonthelottery,IwouldIf I won the lottery,I would buy an expensive car.IfIhadalotofmoney,Iwouldbuyavilla.If I had a lot of money now,I would travel around the world.If it were fine now,I would go shopping.If I _a teacher,I.were条件从句条件从句条件
8、从句的谓语形式条件从句的谓语形式主语的谓语形式主语的谓语形式与与将来将来相反相反IfI(you,he/she,they,we)+动词过去式动词过去式IfI(you,he/she,they,we)+should+动词原形动词原形IfI(you,he/she,they,we)+wereto+动词原形动词原形should/would/could/might+动词原形动词原形1.Iftheteacher1.Iftheteacheraskedaskedmetosolvetheproblemnextmetosolvetheproblemnexttime,Itime,Icouldtrycouldtrymyb
9、est.mybest.2.Ifhe2.Ifheshouldfailshouldfailintheexperimentthistime,heintheexperimentthistime,hewouldtrywouldtryagain.again.3.Ifwe3.Ifweweretopanicweretopanic,we,wewouldnotbewouldnotbeabletohelp.abletohelp.与与将来将来相反相反如果你成功了，一切都会好起来。如果你成功了，一切都会好起来。If you succeeded,everything would be all right.If you s
10、hould succeed,everything would be all right.If you were to succeed,everything would be all right.If he got up early,he would be on timewishwishIn Subjunctive mood虚拟语气的特殊用法：虚拟语气的特殊用法：1I wish I were as tall as you.I wish I were a bird.I wish every day were my birthday.I wish/wished I hadnteaten so muc
11、h watermelon.I wish it would rain tomorrow.wishwish+did(与事实相反的情况,)+haddone(与过去事实相反与过去事实相反)+would/could/might+do(将来不大可能实现的愿望将来不大可能实现的愿望)另外另外另外另外DemandSuggestOrderProposeRequestCommandInsistetc+(should)do表示愿望、建议、命令、请求等表示愿望、建议、命令、请求等2asif/asthoughasif/asthoughdiddid与现在事实相反的与现在事实相反的与现在事实相反的与现在事实相反的haddo
12、nehaddone与过去事实相反或想象的事物与过去事实相反或想象的事物与过去事实相反或想象的事物与过去事实相反或想象的事物He behaves as if he owned the house.(But he doesnt own it or probably doesnt own it or we dont know whether he owns it or not.)He talks about Rome as though hehad been there himself.主语从句主语从句主语从句主语从句中的虚拟语气中的虚拟语气中的虚拟语气中的虚拟语气在句型在句型“Itisimport
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