引导的虚拟语气条件句.pptx

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1、虚拟语气Learning Goals：1.Knowing what the subjunctive mood refers to.2.Knowing the difference forms of the subjunctive forms.3.Master the structure of the subjunctive mood about“if”.4.Practices.第1页/共22页虚拟语气概念：1.表示说话人所说的话不是一个事实，而是一个假设、怀疑、猜测等（常见于条件状语从句或让步状语从句）。2.表示说话人的愿望、建议、要求、命令等（常见于名次性从句）。简单来说：不是事实或不大可能

2、发生的事情，用虚拟语气来表述。第2页/共22页If引导的虚拟条件句注意：要区分if引导的真实条件句和if引导的虚拟条件句表示虚拟的，几乎无法实现的时候，采用虚拟语气。第3页/共22页If引导的虚拟条件句TYPES:特殊：错综时间/倒装句省略IF等与过去事实相反与现在事实相反与将来事实可能相反第4页/共22页一.与过去事实相反If he had got up earlier,he could have caught the train.If引导的虚拟条件句 主句与过去事实相反的假设If+主语+had+动词的过去分词（即：If+动词过去完成时）主语+would(should/might/could

3、)+have done第5页/共22页二.与现在事实相反 If I were you,I would buy a red skirt.If I had a million dollars,I would donate 30%of it to the charity.If引导的虚拟条件句主句与现在事实相反的假设If+主语+动词过去式（be动词一般用were）即：If+一般过去时If+主语+would(could/should/might)+动词原形第6页/共22页三.与将来事实可能相反If it rained tomorrow,I wouldnt attend the party.If it w

4、ere to rain tomorrow,I wouldnt attend the party.If you should come tomorrow,you would find the new manager working in the office.If虚拟条件句主句与将来事实可能相反的假设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+would(could/should/might)+动词原形第7页/共22页特例1.错综时间条件句定义：主句和从句动作发生的时间不同例1）If they had studied hard,

5、they could finish the work in a very short time.如果他们当时刻苦学习，现在就能快速完成这份工作了（从句说明过去，主句说明现在）。2）If I were you,I would have gone to her birthday party yesterday.如果我是你，我就去参加她昨天的生日聚会了（从句说明现在，主句说明过去）。要根据动作发生的时间选择恰当的动词形式。与过去相反，以前没有刻苦学习与现在事实相反，现在没有快速完成第8页/共22页特例2.省略If的条件从句如果条件句中有were/had（助动词）/should时，可使用倒装句结构省略

6、If，把were/had（助动词）/should放句首。如果条件句是否定句时，not应置于主语后，不能与were/had（助动词）/should等缩略成werent/hadnt/shouldnt.例：Had I seen him then,I would have been very happy.=If I had seen him then,I would have been very happy.Should I have time,I would go with you.=If I should have time,I would go with you.Were I not so bu

7、sy,I would go to the concert.=If I werent so busy,I would go to the concert.第9页/共22页Practice1.If you had told me in advance,I _ him at the airport.A.would meetB.would have metC.would had metD.should meet第10页/共22页Practice1.If you had told me in advance,I _ him at the airport.A.would meetB.would have

8、metC.would had metD.should meet第11页/共22页2.If it _ tomorrow,I would not attend the party.A.rainedB.rainsC.had rainedD.were to rain3.I would have gone to the meeting if I _time.A.had had B.have hadC.had D.would have had第12页/共22页If it _ tomorrow,I would not attend the party.A.rainedB.rainsC.had rainedD

9、.were to rain3.I would have gone to the meeting if I _time.A.had had B.have hadC.had D.would have had第13页/共22页If it _ tomorrow,I would not attend the party.A.rainedB.rainsC.had rainedD.were to rain3.I would have gone to the meeting if I _time.A.had had B.have hadC.had D.would have had第14页/共22页4.If m

10、e father _ here now,he _ tell me what to do.A.were;wouldB.was;illC.had been;wouldD.is;ill5.If he _ my advice,he wouldnt have lost his job.A.followedB.should followC.had followed D.would follow第15页/共22页4.If me father _ here now,he _ tell me what to do.A.were;wouldB.was;illC.had been;wouldD.is;ill5.If

11、 he _ my advice,he wouldnt have lost his job.A.followedB.should followC.had followed D.would follow第16页/共22页4.If me father _ here now,he _ tell me what to do.A.were;wouldB.was;illC.had been;wouldD.is;ill5.If he _ my advice,he wouldnt have lost his job.A.followedB.should followC.had followed D.would

12、follow第17页/共22页6.If I _ in the 22nd century,I _ my vocation in a very different way.A.should live;would spendB.will live;should spendC.are living;should have spentD.will be living;would have spent7._ it rain tomorrow,we would have to put off the visit to Mountain Tai.A.Were B.Should C.Would D.Will 第

13、18页/共22页6.If I _ in the 22nd century,I _ my vocation in a very different way.A.should live;would spendB.will live;should spendC.are living;should have spentD.will be living;would have spent7._ it rain tomorrow,we would have to put off the visit to Mountain Tai.A.Were B.Should C.Would D.Will 第19页/共22

14、页6.If I _ in the 22nd century,I _ my vocation in a very different way.A.should live;would spendB.will live;should spendC.are living;should have spentD.will be living;would have spent7._ it rain tomorrow,we would have to put off the visit to Mountain Tai.A.Were B.Should C.Would D.Will 第20页/共22页THANK YOU!第21页/共22页感谢您的观看。第22页/共22页