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1、变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分SubjunctiveSubjunctiveMoodMood变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 1)If I were a bird, I would fly in the sky. 1)If I were a bird, I would fly in the sky. 2)If I had taken your advice ,I wouldnt 2)If
2、I had taken your advice ,I wouldnt have made the mistake.have made the mistake. 3)If I had been there, it wouldnt have 3)If I had been there, it wouldnt have happened.happened. 4)If it rained tomorrow, we would not 4)If it rained tomorrow, we would not go shopping. go shopping. 5)He was shaking with
3、 frightas ifhe 5)He was shaking with frightas ifhe had seen a ghost.had seen a ghost.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 1)He insisted that I should have a rest.1)He insisted that I should have a rest. 2)His suggestion that Tom have a rest 2)His suggestion that Tom h
4、ave a rest is accepted.is accepted. 3)His suggestion is that Tom have a 3)His suggestion is that Tom have a restrest 4)It is suggested that Tom have a rest. 4)It is suggested that Tom have a rest. 5)The king ordered that the prisoner be 5)The king ordered that the prisoner be killed the next day.kil
5、led the next day.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分虚拟语气虚拟语气 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，而来表示说话人所说的话不是一个事实，而是一种假设、猜测、愿望等是一种假设、猜测、愿望等( (在在条件条件从句中从句中或或让步让步状语从句中状语从句中) )；一是表示说话人的愿；一是表示说话人的愿望、要求、命令、建议等望、要求、命令、建议等 ( (在宾语从句、在宾语从句、主语从句、表语从句、同位语从句主语从
6、句、表语从句、同位语从句) )。虚拟语气的概念变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分一、非真实条件句（一、非真实条件句（if等）中的虚拟语气等）中的虚拟语气 时态一致时态一致 2. 错综时间的虚拟句错综时间的虚拟句 3.倒装句倒装句 4.含蓄条件句含蓄条件句 5. If only 感叹感叹二、名词性从句的虚拟语气：二、名词性从句的虚拟语气：宾语从句、主语从句、表语从句、同位语从句宾语从句、主语从句、表语从句、同位语从句三、几种特殊的虚拟语气句式三、几种特殊的虚拟语气句式wish、as if/tho
7、ugh、would rather、Its time Its necessary/strange/matural/inportant+that从从句句变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 1)If I 1)If I werewere a bird, I a bird, I would flywould fly in the sky. in the sky. 2)If I 2)If I had takenhad taken your advice ,I your advice ,I wouldnt
8、wouldnt havehave made the mistake. made the mistake. 3)If I 3)If I had beenhad been there, it there, it wouldnt havewouldnt have happened.happened. 4)If it 4)If it rainedrained tomorrow, we tomorrow, we would not would not gogo shopping. shopping. 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电
9、力系统接线组成中一个重要组成部分条件条件从句从句If从句的谓语形从句的谓语形式式主句的谓语形式主句的谓语形式现在现在过去过去未来未来V. + ed V. + ed (were)(were)had donehad donewould/could/shoulwould/could/should/might +V (d/might +V (原原) )would/could/shoulwould/could/should/might+have+p.p.d/might+have+p.p.1.V.+ ed.1.V.+ ed.2. should+ V.(2. should+ V.(原原) )3. were
10、to do3. were to dowould/could/shouwould/could/should/might +V. (ld/might +V. (原原) )一一. 虚拟语气在条件状语从句中的用法虚拟语气在条件状语从句中的用法(3种种)。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分l1. If I had 5000yuan, I would buy a computer.l2. If I were a bird, I would fly in the sky.l3. If I had taken
11、 your advice, I wouldnt have made a mistake.l4. If he had been there, it wouldnt have happened.（与现在事实相反与现在事实相反）（与过去事实相反与过去事实相反）变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分2、错综时间的虚拟句、错综时间的虚拟句 通常情况下通常情况下,在非真实条件句中主句和从句的在非真实条件句中主句和从句的谓语动词所指时间是一致的谓语动词所指时间是一致的, 但有时也可能指但有时也可能指不同的时间不
12、同的时间,这时要根据上下文的意思采用不这时要根据上下文的意思采用不同的谓语动词形式同的谓语动词形式.1.IfIwereyou,Iwouldhavetakenhisadvice.(从句指现在从句指现在,主句指过去主句指过去)。2.IfIhadtakenmyraincoatwithmethismorning,Iwouldnotbewetnow.(从句指过去从句指过去,主句指现在主句指现在)。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分虚拟语气虚拟语气3、省略、省略 if 的条件从句的条件从句当从句中有当从句
13、中有were,had或或should时，时，可省略可省略if，而把它们放在句首。而把它们放在句首。 IfIweretomeethimtomorrow,Ishouldaskhimaboutit.WereItomeethimtomorrow, Ifheshouldfailintheexperimentthistime,hewouldtryagain.ShouldhefailintheexperimentIfyouhadcomeafewminutesearlier,youwouldhavemethim.虚拟语气在虚拟语气在在条件从句中在条件从句中Hadyoucomeafew.变电站电气主接线是指变电
14、站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分4. without, but for，or和和otherwise 构成虚拟。构成虚拟。 but for要不是，要不是，or否则（含蓄条件句）否则（含蓄条件句） 1.）Without sunlight, there would be no life on our planet. 2.）But for your help, I wouldnt have finished the work. 3.）Iwasillthatday.otherwise,Iwouldhavetakenparti
15、nthesportsmeet.(副词副词) 4.）Hetelephonedtoinformmeofyourbirthday,orIwouldhaveknownnothingaboutit.(连词连词)5 . If only 要是就好了要是就好了 If only I knew his name! If only we had followed your advice! If only I were to see him again!要是我们的父母和我们住在一起就好了。要是我们的父母和我们住在一起就好了。要是我没错过火车就好了！要是我没错过火车就好了！If only our parents liv
16、ed with us!If only I hadnt missed the train!变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分a. 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 in the bla
17、nks.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分If he _ （drive）more carefully, he _(not have) the car accident yesterday.had driven would not have had 变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分二二. 名词性从句的虚拟语气。名词性从句的虚拟语气。主要是表示命令、要求、建议的虚拟语气。主要是表示命令、要求、建
18、议的虚拟语气。 宾语从句。常见动词：宾语从句。常见动词：一个坚持：一个坚持：insist两个命令：两个命令：order, command 三个建议：三个建议：advise, suggest, propose五个要求：五个要求：demand , require, request, desire ask 这些动词后面的宾语从句要使用虚拟语气这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词用法。即从句中的动词 使用使用should + should + 动词原动词原形，或者将形，或者将shouldshould省略。省略。我们建议我们建议Tom 去休息一下。去休息一下。他坚决要求我到场。他坚决
19、要求我到场。国王命令囚犯明天要实施死刑。国王命令囚犯明天要实施死刑。他们要求我们派他们去那儿工作。他们要求我们派他们去那儿工作。We suggested that Tom have a rest.He insisted that I (should )be present.The king ordered that the prisoners be killed the next day.They requested that we (should) send them to work there.虚拟语气在：虚拟语气在：在宾语从句中在宾语从句中 注意注意:insist / suggest 各
20、有两意思，要用不同的语气各有两意思，要用不同的语气 表表“坚决要求坚决要求”,虚拟虚拟, should + do; 表表“坚称坚称,坚持说坚持说”,陈述语气陈述语气,表事实。表事实。 表表“建议建议”，虚拟，虚拟, should + do; 表表“表明、暗示表明、暗示” ，用陈述语气。，用陈述语气。1. The teacher suggested that we _ more after class. （我们课后多练习）（我们课后多练习） 2. The look on her face suggested that she _happy3. He insisted that all of us
21、 _there on time by any means. （我们大家想尽办法按时去那儿）（我们大家想尽办法按时去那儿）4. He insisted that he _ the wallet(没有没有偷钱包偷钱包).insistsuggest(should) practisewasshould bedidnt steal 以上动词相应的名词构成的名词性从句包括主语从句，表语从句和同位语从句也要使用虚拟语气。从句中的动词形式一样。 即：(should)V. order, advice, suggestion, order, advice, suggestion, proposal, demand
22、, request, proposal, demand, request, desiredesireIts suggested that the plan My demand is that she to see me once a week.We are for the advice that the factory closed down.becarriedout.should comeshouldbe变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分三三. 虚拟语气特殊句型虚拟语气特殊句型:1. wis
23、h 的宾语的宾语从句从句现在现在: 过去时（过去时（were）过去过去: 过去完成时过去完成时未来未来: would/could/might +V. shouldI wish I as tall as you.wereI wish every day my birthday.wereI wish/wished I eaten so much watermelon.(2) 表示对表示对过去情况过去情况的虚拟的虚拟:从句动词从句动词常用常用“had过去分词过去分词”。hadntI wish it rain tomorrow.wouldHe looks as if he drunk.They tal
24、ked as if they friends for years. She loves the baby as if it her own son.I remembered the whole thing as if it yesterday.werehadhappenedhadbeenwere2,Asif/though和和wish用法相同用法相同3. would rather (that)现在现在,将来将来：过去：过去：I would rather you paid me now. I would rather you had gone, too.I would rather you cam
25、e tomorrow.过去时过去时过去完成时过去完成时3.Its (about/high) time +(that)should +V.过去时过去时我们该去睡觉了。我们该去睡觉了。Its time that we .Its time that we to bed. (Should不可省略不可省略)wenttobedshouldgo4. Its necessary /strange/ natural/ important + that-Clause 从句中的动词要用虚拟，即从句中的动词要用虚拟，即（should）+动词原形动词原形uIt is important that we a foreig
26、n language.uIt is strange that she to come to the party.uIts necessary that we hard.(should)masterrefuseshouldstudy变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分虚拟语气虚拟语气Alan _ the party if he had gone to London. A. would have missed B. had missed C. would miss D. missed2.It was
27、 the drug，not the disease，that killed the boy.He would be still alive today if he _ that drug.A.not take B. hadnt takenC. didnt take D. shouldnt have takenExercises变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分虚拟语气虚拟语气3. If only I _ to my parents! (But I didnt.) A. listened B.
28、had listened C. should listen D. would listen4. Tom suggested that Ann _ the house. A. sell B. sold C. shall sell D. would sell5. I wish this bus _ to the university.A. go B. went C. has gone D. had gone变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分虚拟语气虚拟语气9.HaveyoueverbeentoBeijing?-No,butIwishI_.A.haveB.willC.doD.had10.Idontthinkitistherighttimethatyou_.A.willgoB.wentC.goD.mustgo11. Whenapencilispartlyinaglassofwater,itlooksasifit.A.breaksB.hasbrokenC.werebrokenD.hadbeenbroken变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分