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1、Subjective Mood虚拟语气虚拟语气1听风书屋在条件从句中的用法1） 概念 虚拟语气用来表示说话人的主观愿望或假想，所说的是一个条件，不一定是事实，或与事实相反。2） 在条件句中的应用 条件句可分为两类，一类为真实条件句，一类为非真实条件句。非真实条件句表示的是假设的或实际可能性不大的情况，故采用虚拟语气。2听风书屋真实条件句l真实条件句用于陈述语气，假设的情况可能发生，其中if是如果的意思。l句型：条件从句主句一般现在时shall/will+动词原形Ifhecomes,hewillbringhisviolin.l典型例题Thevolleyballmatchwillbeputoffi
2、fit_.A.willrainB.rainsC.rainedD.israined答案B。真实条件句主句为将来时，从句用一般现在时。l注意：1）在真实条件句中，主句不能用begoingto表示将来，该用shall,will.(错)Ifyouleavenow,youarenevergoingtoregretit.(对)Ifyouleavenow,youwillneverregretit.2）表示真理时，主句谓语动词便不用shall(will)+动词原形，而直接用一般现在时的动词形式。3听风书屋非真实条件句条件从句结果主句与现在事实相反If+动词过去式（动词be的过去式用were）wouldshou
3、ldcould+动词原形might与过去事实相反If+过去完成式（haddone）wouldshouldcould+havedonemight与将来事实相反动词过去式If+should+动词原形wereto+动词原形wouldshouldcould+动词原形might4听风书屋1.与现在事实相反条件从句:did/were主句:would/should/could/might+doIf they were here, they would help you. If we hadhad time, we wouldwould gogo with you.如果我是你，我会申请那份工作的。 If I
4、were you , I would apply for the job.即使我有钱，也不会买它。 Even if I had the money , I wouldnt buy it.要是你知道谁打破了玻璃，你会怎么办？ What would you do if you knew who broke the glass?5听风书屋2.与过去事实相反条件从句:haddone主句:would/should/could/might+havedoneIfshehadworkedharder,shewouldhavesucceeded.Ifhehadcomeyesterday,Iwouldhaveto
5、ldhimaboutit.如果当时听了你的话，我就不会犯这样的错误了。IfIhadtakenyouadvice,Iwouldnthavemadesuchamistake.如果我再认真一点的话，我可以做的更好。IcouldhavedoneitbetterifIhadbeenmorecareful.如果他没生病，他昨晚可能回来的。Ifhehadntbeenill,hemighthavecomelastnight.6听风书屋3.与将来事实相反条件从句:did(were)/shoulddo/weretodo主句:would/should/could/might+doIfyousucceeded/sho
6、uldsucceed/weretosucceed,everythingwouldbeallright.如果明天下雨，我会待在家里。Ifitrainedtomorrow,Iwouldstayathome.要是我来做这件事，我会用另一种方法。IfIweretodoit,Iwoulddoitinanotherway.7听风书屋4.错综时间条件句在虚拟语气中，有时条件从句动作发生的时间和主句动作发生的时间是不一致的，称为错综时间条件句。这种句子的形式往往要根据句子的时间相调整，分别处理。If you had asked him yesterday, you would know what to do
7、now.If you hadhad followedfollowed the doctors advice thenthen, you would bewould be all right nownow.注：时间有时会省略8听风书屋4.虚拟条件句的倒装从句部分如果含有were,should,或had,可将if省略，再把were,should或had移到从句句首，实行倒装。Were they here now, they could help us. =If they were here now, they could help us.Had you come earlier, you woul
8、d have met him=If you had come earlier, you would have met him.典型例题_ to do the work, I should do it some other day.A. If were I B. I wereC. Were ID. Was I 答案C. 9听风书屋特殊的虚拟语气词：should1）Itisdemanded/necessary/apity+that结构中的主语从句的谓语动词要用should加动词原形，should可省略。(1)suggested,ordered,proposed,required,demanded,
9、requested,insisted；+(should)do(2)important,necessary,natural,strange,essential,urgent,advisable,right,vital,apity,ashame,nowonder(3)Itissuggestedthatwe(should)holdameetingnextweek.Itisnecessarythathe(should)cometoourmeetingtomorrow.10听风书屋特殊的虚拟语气词：should2）在宾语从句中的应用在表示命令、建议、要求等一类动词后面的从句中。order, sugges
10、t, propose, require, demand, request, insist, command, insist + (should) do I suggest that we (should) hold a meeting next week.He insisted that he (should ) be sent there. 11听风书屋特殊的虚拟语气词：should注意：如suggest,insist不表示建议或坚持要某人做某事时，即它们用于其本意暗示、表明、坚持认为时，宾语从句用陈述语气。Theguardatgateinsistedthateverybodyobeythe
11、rules.判断改错:Youpalefacesuggeststhatyou(should)beill.Yourpalefacesuggeststhatyouareill.Iinsistedthatyou(should)bewrong.Iinsistedthatyouwerewrong. 12听风书屋特殊的虚拟语气词：should3）在表语从句，同位语从句中的应用在suggestion,proposal,idea,plan,order,advice等名词后面的表语从句、同位语从句中要用虚拟语气，即（should）+动词原形。Myideaisthatwe(should)getmorepeoplet
12、oattendtheconference.Imakeaproposalthatwe(should)holdameetingnextweek. 13听风书屋wish 与现在事实相反 did/wereWish + 与过去事实相反had done 与将来事实相反would/could/should/might doI wish I werewere a bird.I wish I wouldwould gogo to France some day.I wish I hadhadnt t toldtold him that yesterday.我希望和你一样高。 I wish I were as t
13、all as you.我希望明天下雨就好了。 I wish it would rain tomorrow. 14听风书屋Itis(high)timethatItis(high/about)timethat后面的从句谓语动词要用过去式或用should加动词原形，但should不可省略。Itistimethatthechildrenwenttobed.Itistime(that)wehadbreakfast.Itishightimethatthechildrenshouldgotobed.15听风书屋翻译练习1.If he had known this would happen, （他当初也许会以
14、不同方式行事）.2.If I had remembered to close the window, （小偷就不会进来）.3.I suggested he _ （使自己适应） his new conditions.4. If you had_ ( 听从了我的劝告，你就不会陷入麻烦）5. It is suggested that the air conditioner _（要安装在窗户旁边）16听风书屋翻译练习1.he would have acted differently或He would have acted in a different way2.the thief would not have got in3.should adapt himself to 4. followed my advice, you would not be in trouble now. 5. is to be installed next to the window.17听风书屋THE END18听风书屋
