初中虚拟语气讲解PPT精品文档

1、GrammarGrammarthe Subjunctive Mood虚虚 拟拟 语语 气气1英语动词有三种语气: 陈述语气，祈使语气和虚拟语气陈述语气：用来表示所说的话是事实或提出疑问，广泛用语陈述句，疑问句和感叹句。祈使语气：表示所说的话是请求，命令，指示或劝告等。2虚拟语气虚拟语气：表示说话人的所说表示说话人的所说的话的话不是事实不是事实，一种假设、猜测、怀疑等一种假设、猜测、怀疑等( (在在条件条件从句从句中或中或让步状语从句让步状语从句中中) )；一种表示说话人的愿望、要求、命一种表示说话人的愿望、要求、命令、建议等令、建议等 ( (在在宾语从句、表语从宾语从句、表语从句、同位语从句句

2、、同位语从句) )。3Eg : We met in this room . 陈述语气陈述语气 Do come to the meeting next Friday . 祈使语气祈使语气If I were you , I would study hard . 虚拟语气虚拟语气4一：虚拟语气在条件状语从句中的用法.条件句有真实条件句和非真实条件句两种。条件句有真实条件句和非真实条件句两种。真实条件句真实条件句所表的假设是可能发生或实现的所表的假设是可能发生或实现的,是与是与事实相符的。事实相符的。非真实条件句非真实条件句所表的假设则是不可能或不大可能所表的假设则是不可能或不大可能发生或实现的，发生

3、或实现的， 与事实相反的情况。与事实相反的情况。If it is fine tomorrow, I will go to visit my grandma. If I were a bird, I would fly to America.5 动词形式动词形式时间时间从句从句主句主句与现在事实相反与现在事实相反动词过去式（动词过去式（be的的过去式一般用过去式一般用were）would should + 动词原形动词原形could might 与过去事实相反与过去事实相反had +过去分词过去分词would should have+过去分词过去分词could might与将来事实与将来事实可能

4、相反可能相反动词过去式动词过去式/should +动词原形动词原形were to动词原动词原形形would should +动词原形动词原形could might6I would buy an expensive car. I would buy a villa. I would travel around the world.If I won the lottery,现在事实相反现在事实相反7If I _time last night, I _ to see the film with you .had hadwould have gone过去事实相反过去事实相反If he_ more ca

5、refully, he _ the car accident yesterday.had driven would not have had 8Mark: 100 I _ a party for you . should get If you_gotWere to get a full mark next time,将来时相反将来时相反would hold 9If I were you, I would give AIDS patient a hug. If I had taken your advice, I wouldnt have made a mistake.If it rained

6、tomorrow, they wouldnt go for an outing.现在事实相反与过去事实相反与将来事实相反10要是你早来几分钟的话，你就能见到他了要是你早来几分钟的话，你就能见到他了。If you had come a few minutes earlier, you would have met him.明天要是天气好的话，我来看你明天要是天气好的话，我来看你。If it were sunny tomorrow, I would come to see you.假如我是你的话，我会马上走。假如我是你的话，我会马上走。与现在事实相反If I were you, I would g

7、o at once. 与过去事实相反与将来事实可能相反11PRACTICE 1PRACTICE 1: Fill in the blanks. a. If they _ (be) here,they _ (take) your advice. b. If the world-war _ (break) out again,what _ (happen) to our people on earth?c. If the policeman _ (be not) in that room now, it _ (be) very dangerous.d. If I _ (be) in your pos

8、ition,I _(ask) for teachers help.werewould takebrokewould happenwere notcould bewerewould ask12PRACTICE 2: Fill in the blanks e. If Tom _ (be) more careful in theexam, he _ _ (pass) it already. f. If you (get) up earlier,you _ _ (catch) the first train. g. If I _ (meet) you yesterday, we _ _ (go) to

9、 the concert together.had beenwould have passedhad gotwould have caughthad metwould have gone13PRACTICE 3: Fill in the blanksa. If there (be) no natural resource any more,we _ (make) use of nuclear power .b. What _ (happen) if you_(get up) too late tomorrow?should bewould makewould happen should get

10、 up14注意1.省略省略 if 的条件从句的条件从句当从句中有当从句中有 were, had 或或 should 时，可省略时，可省略if ，而把它们放在而把它们放在句首句首,再将句子的主语和谓语动词实再将句子的主语和谓语动词实行行全部倒装或部分倒装全部倒装或部分倒装。If I were to meet him tomorrow, I should ask him about it. Were I to meet him tomorrow,If he should fail in the experiment this time, he would try again. Should he

11、fail in the experimentHad he worked harder, he would have passed the final examinations. 152 由由介词介词或或介词介词短语暗示的虚拟结构短语暗示的虚拟结构常见的介词或介词短语有常见的介词或介词短语有without(没有没有) , but for(要不是要不是) Eg : Without electricity , human life would be quite difficult today .= If there were no electricity , Without his advice ,

12、I couldnt have done it all by myself . = If it hadnt been for his advice , 16But for your help , I wouldnt have succeeded in doing this experiment . = If it hadnt been for your help ,But for the meeting ,I would have gone to your party last Saturday . = If it hadnt been for the meeting ,171. Without

13、 sunlight , or water or air , there _ no life on the earth . A will have B would be C should be D must be 2 But for the snow , we _ earlier . A will arrive B should have arrived C arrive D arrived 18二、虚拟语气用于宾语从句中1.Wish 的宾语从句现在：现在：过去：过去：未来未来：过去时（过去时（were）过去完成时过去完成时would/could/might+V. 1.I wish I were

14、 a bird2.I wish I hadnt made such a mistake3.We wish our parents wouldnt punish us. 19用于宾语从句用于宾语从句I wish从句结构从句结构Example与现在事实相反与现在事实相反一般过去式一般过去式I wish it were autumn now.与过去事实相反与过去事实相反过去完成式过去完成式He wishes(wished) he had not lost the chance.与将来事实相反与将来事实相反would+V.原形原形I wish you would come soon.20I wish

15、I were as tall as you.I wish I became as famous as Yao Ming.I wish I were a bird.I wish I could fly like a bird.I wish every day were my birthday.21He wish he hadnteaten so much watermelon.I wish the lunch time would come soon.I wish it would rain tomorrow.221.Practice 1 He is not a pilot, but he wi

16、shes he_ (be).2.I wish I _(meet) him yesterday.3.I wish it _(be) fine tomorrow.4.A: You have made some mistakes. B: I wish I _mistakes every day.A.dont make B. havent made C. wouldnt have made D. didnt make 232.I wish they _ in this ball game . A would be succeeded B would be successful C had been s

17、uccess D had been successful 3. He wished he _ more about the subject , so he could talk about it . A had known B knew C would know D knows 4. How I wish I _ a doctor , and _ the dying girl . A am , can save B was , saved C were , could save D will be , will save 245. -What shall we do next ? -I wis

18、h that Bill _ here . If he _ here , he would tell us what to do . A has been , has been B would be , would be C were , were D is , is 6 .How I wish every family _ a large house with a beautiful garden !A has B had C will have D had had 7. How I wish that I _ the moon sometime in the future . A had v

19、isited B would visit C visited D will visit 252.在表示建议，要求，命令的词在表示建议，要求，命令的词“suggest,demand,order,propose,insist,command,request,desire” 后的宾语从句中：后的宾语从句中： “(should) +动词原形动词原形”e.g. I suggest that we (should) set off at once. I demanded that he (should) answer me immediately.(一个坚持一个坚持insist ，两个命令，两个命令ord

20、er, command ，三个建议，三个建议advise, suggest, propose四个要求四个要求demand , require, request, desire)注：以上动词的名词形式用于同位语从句中，注：以上动词的名词形式用于同位语从句中，从句中的动词也是用从句中的动词也是用“(should) + 动词原形动词原形”26Practice : 1. I advised that the sick child _ a hospital as soon as possible . A should sent to B should be sent C be sent to D mus

21、t be sent to 2 The workers in the factory demanded that their pay _ be 20 percent . A be raised B would be raised C raised D raise 273 The guard at the gate insisted that everybody _ the rules . A obeys B obey C will obey D would obey 4. Janes pale face suggested that he _ ill , and her parents sugg

22、ested that she _ a medical examination . A be , should have B was , have C should be , had D was , has 5. - Do you know where he comes from ?-No , but his accent suggests that he _ from the south . A was B should be C is D were 28注意：注意：suggest 当表示当表示“暗示、表明暗示、表明“讲时，讲时，insist 表示表示”坚持认为坚持认为“之意时，应用陈述之意时

23、，应用陈述语气。语气。Eg : The smile on his face suggested that he was satisfied with our work.The man insisted that he had never stolen the money.29 三用语表语从句和同位语从句三用语表语从句和同位语从句在在suggestion / proposal / order / plan / advice / idea / request /demand 等等名词后的表语和同位语从句中名词后的表语和同位语从句中要用要用“should动词原形动词原形”should可以省略可以省略

24、30Eg : My suggestion that we (should) have a meeting has been accepted by others.We all agree to that suggestion that the meeting (should) be put off. 考题点击：考题点击：1.His suggestion that you _ once more sounds reasonable. A. try B. tries C. must try D. can try31 We are in favor of your proposal that the

25、 meeting _. A. should be put off B. was put off C. should put off D. is to put off His recommendation was that an experienced sales manager _ to the branch company in Shanghai to take charge of the marketing there. A. was sent B. send C. be sent D. would be sent323. Would rather that宁愿宁愿现在：过去：未来：I w

26、ould rather you paid me now. I would rather you had gone, too.Dont come. I would rather you came tomorrow. 过去时过去时过去完成时 would prefer , 表示一种表示一种希望希望和和委婉委婉的责备。的责备。Eg : I would prefer he didnt stay there too long next week . 我宁愿下周他不要在这待的太久。我宁愿下周他不要在这待的太久。33四四 .用于主语从句中用于主语从句中 1.It is necessaryimportant s

27、trangenatural impossible / surprising + that 从句。从句。从句从句中的中的谓语动词谓语动词用用should+动词动词原原形形，should 可以可以省略省略。34Eg :It is necessary that you (should) clean the room after work. It is important that we ( should ) master a foreign language.It is strange that she （should ）refuse to come to the party. 352. It is

28、 suggesteddesired / ordered / requested / proposed / demanded that从句从句从句从句中的中的谓语动词谓语动词用用should+动词动词原原形形，should 可以可以省略省略36Eg : It is suggested that the meeting (should) be put off. It is ordered that the work (should) be done at once.373. It is a pitya shameno wonder + that 从句从句从句从句中的中的谓语动词谓语动词用用shou

29、ld+动词动词原原形形，should 可以省略可以省略省略省略 eg : It is a pity that he should be so careless.真可惜他竟然如此粗心真可惜他竟然如此粗心38考题点击：考题点击：1. Is it necessary that he _ the examination? A. takesB. has to takeC. must takeD. take2. It is strange that he _ you this. A. would tell B. should tell C. had told D. has told39五、虚拟语气在其他从

30、句中五、虚拟语气在其他从句中1.It is (high / about ) time that“到做到做-的时间了的时间了.”注意注意:should不能省略不能省略过去时should +V原.我们该去睡觉了。Its time that we went to bed.Its time that we should go to bed. 402.If only 引导的感叹句引导的感叹句“要是该有多好啊要是该有多好啊”用法与用法与wish 相同相同Eg : If only I knew the answer! If only I had seen the film yesterday!41 “好象好

31、象”3. as if /though + Clause 与现在事实相反与现在事实相反用过去式用过去式与过去事实相反与过去事实相反与将来事实相反与将来事实相反 过去完成式过去完成式Would / could / might +动词原形动词原形421) as if /as though连接表语从句连接表语从句 He talks as if he knew where she was . He looked as if he hadnt slept for two days.2) as if / as though连接状语从连接状语从 句句 She looked after the boy as if he we