高三英语总复习专项课件：虚拟语气(30张PPT)

1、虚拟语气【学习目标】1. To go over some basic knowledge of subjunctive mood.2. To do some exercises to master the grammar.虚拟语气(Subjunctive mood)概念:一种表示愿望，建议，假设的语气，用来表示 说的话不是事实，或者可能性很小的情况。if引导的条件句的虚拟语气: l.If he hadnt created the monster, his wife wouldnt have died2.1f I had one million now, I would donate it to

2、 poor people3.If it should be fine tomorrow, I would go to climb the mountain.虚拟语气动词形式对应时间动词形式;从句主句与现在事实相反动词过去式（be的过去式一般用were）wouldshould +动词原形 could might与过去事实相反had +过去分词wouldshould +have+过去分苹 could might0与将来事实可能 相反1 动词过去式2should +动词原形3.were to+动词原形wouldshould +动词原形couldmight【跟踪演练】1.要是我上个学期努力学习英语的话

3、，我就不会考试失败了。If I had studied English hard last term, I wouldnt have failed the exam.2.假如他今晚能回来的话，他也许会给你一些建议。If he were to come back this evening，he might give you some advice.3要是我是你，我明天就向老师道歉。If I were you，I would apologize to the teacher tomorrow.4.要是我是你，我就听老师的建议。If I were you, I would follow the te

4、achers advice.if条件句的省略和倒装省略if的条件句需符合的条件：条件句的谓语动词有系动词were,助动词had或should,可将if 省略，而把were, had, should移到主语前。请看下例:1. Were I you，I would try it again.2. Had he been there yesterday，he would have seen the film.3 Should it snow tomorrow, we wouldn5t go out.if条件句的倒装if 溜,had, should, were句 首走。【跟踪演练】1.to do th

5、e work，I should do it some other day.于 Were IA. If were I B. I wereD. Was I2.difficulties, we would be successful.Should we overcomeB. Would we overcomeC Might we overcomeD. Could we overcome3the exam, he would have attended college.A. If he passedC. Were he passedD. If he should pass4.five minutes

6、earlier, you could have seen them off.A.If you should arriveB If you arrive)Had you arrivedD Should you arrive错综时间虚拟语气找准时间灵活对应l.If they had studied hard, they could do it easily now.2.1f he had not taken my advice, he wouldnt do 让 much better like this.3. If I were you, I would have gone to her birt

7、hday party.含蓄条件虚拟语气without, otherwise, or, but for; 【跟踪演练】;1;（熟读并体会其用法） I I I I 1 .Without sunlight, peoples life would be different from that toda y.2. But for your help, I wouldnt have finished the work.3. Fm glad that I went over all my notes; otherwise I would have failed the exam【拓展延伸】 其他形式的虚拟句

8、wish + thatl. wish厂did/were现在How I wishhad done 过去would / might /could do 将来(1) 我要是记得地址就好了。(真可惜我忘了)I wish I remembered the address.(2) 要是他没有离开这里就好了。(他已离开)How I wish he had not left.(3) 要是明天下雨就好了。(说话人已预料到明天不会下雨)I wish it would rain tomorrow.2 as if /though + clause现在：did /were过去：had done将来：would+动词原形

9、She loves the baby as if it were her own son.He speaks as if he had been to the United States.3表示“建议，命令，要求”等意义时，名词性从句用 (should) +动词原形。(1) 一坚持:insist(2) 二命令：order, command(3) 三要求：request, require, demand(4) 四建议：动词dvise, suggest, propose, recommend (名词 advice, suggestion, proposal, recommendation)【拓展延

10、伸】1. The doctor suggested that he (should) be operated on at once.2. His look suggested that he stayed up late yesterday.3Tom insisted that he was innocent and be set free.【注意】(1) suggest意为表明,暗示时,宾语从句不用虚拟语气。(2) insist意为坚持认为z坚持说时z宾语从句不用虚拟语气。现在/将来：过去式4. would rather thatJ过去：过去完成式(1) 1 would rather you

11、 paid me now(2) I would rather you had gone, too.(3) Dont come. I would rather you came tomorrow.【跟踪演练】(1) 我真希望你告诉我真相。Fd rather you told me the truth.(2) 我宁愿不再见到你。Fd rather I didnt see you again.(3) 我倒希望他们和我一起去。；I would rather they went with me.过去式5 Its (about/high) time +that I should +v.我们该去睡觉了。It

12、s time that we went to bedIts time that we should go to bed.6Its necessary /strange/ natural/ important + that-clause 从句 中的动词要用虚拟，即(should) +动词原形如：It is important that we ( should ) master a foreign languageIt is strange that she refuse to come to the party.Its necessary that we should study hard【高考

13、链接】1. （2012浙江高考）Had they known what was coming next,theysecond thoughtsA. may haveC must have hadB could haveD might have had【解析】选D。考查虚拟语气。句意:如果他们知道接下来 的事，他们或许（经过考虑后）会改变想法。本句是条件句的 虚拟语气,省略了 if。根据Had可知此处是与过去事实相反的 虚拟语气注句应用would/could/might+have+doneo古攵选D。2. （2012-安徽高考）Grace doesnt want to move to New Y

14、ork because she thinks if shethere, she wouldnt be able tosee her parents very often.A. livesB. would liveC has livedD were to live解析】选D。考查虚拟语气。句意:格雷丝不想搬到纽约 去，因为她认为如果住在那里就不能经常见到父母了。主句 说明了客观事实,if从句是对将来事实的假设,故在条件状语 从句中用were to liveo【课堂训练】1. The secretary suggested that theythe men in at once.A. had br

15、oughtB. should have broughtbringC. brought2. How I wish Ito repair the watch! I only made it worse.A. had tried壬 hadnt triedC. have triedD. didift try3 He demanded that the laboratory reportimmediatelyafter the experiment was done A.was written弋）e writtenC must be written D would be written4. If onl

16、y Ihow to operate an electronic computer asyou do.A.had knownB would knowC. should know弋 knew5. The teacher agreed to the suggestion that the studentstwo weeks to prepare for the examA. giveB should give干 be givenD would be given6.1 was busy yesterday, otherwise Iyour birthdayparty A. attendedB had attendedC. would attendvould have atten