虚拟语气精品课件.ppt

一、虚拟语气在一、虚拟语气在条件句条件句中的用法中的用法 if从句从句主句主句与过去事与过去事实相反实相反与现在事与现在事实相反实相反与将来事与将来事实相反实相反had doneshould/would/could/might have donedid/wereshould/would/could/mightdodid/werewere todoshoulddoshould/would/could/ mightdo如果他听了我的建议，他就不会考试不及格了。如果他听了我的建议，他就不会考试不及格了。If he had taken my advice, he wouldnt have failed in the exam.如果她有足够的钱，她可能会买一台电脑。如果她有足够的钱，她可能会买一台电脑。If she had enough money, she might buy a computer.如果明天下雪，他们就不能出去了。如果明天下雪，他们就不能出去了。 If it should snow tomorrow, they couldnt go out.if 虚拟条件句中如果有虚拟条件句中如果有 were, should 或或 had，可，可省去省去if，把把 were, should 或或 had 提到句首，使用提到句首，使用倒装语序倒装语序。但如果条件句为但如果条件句为否定句，否定句，not不可提前不可提前，如：，如：If I were a doctor, I would put all my patients in the first place.Were I a doctor, I would put all my patients in the first place.考点一：考点一：If it should rain tomorrow, the football match would be put off. Should it rain tomorrow, the football match would be put off.If it had not rained, we could have come earlier.Had it not rained, we could have come earlier. 错综条件虚拟语气错综条件虚拟语气 如果他们以前努力学习的话，现在干得就会容易些如果他们以前努力学习的话，现在干得就会容易些了。了。 If they had studied hard, they could do it easily now. If only无主句虚拟条件句无主句虚拟条件句 要是我去接他就好了。要是我去接他就好了。 If only I had picked him up.考点二：考点二：考点三：考点三： but for with without表示虚拟条件句表示虚拟条件句 有些虚拟条件句没有从句，虚拟条件句是通过有些虚拟条件句没有从句，虚拟条件句是通过介词短语表示出来的。介词短语表示出来的。如： 要是没有空气和水，地球上就没有生命。要是没有空气和水，地球上就没有生命。 But for air and water, there would be no life on the earth. 要是有你的帮助，我们就可以早些完成任务。要是有你的帮助，我们就可以早些完成任务。 With your help, we might finish the plan earlier. 考点四：考点四：wish(that)表示对表示对过去过去的虚拟的虚拟表示对表示对现在现在的虚拟的虚拟表示对表示对将来将来的虚拟的虚拟二、虚拟语气在宾语从句中的应用动词动词 wish 表示的是一表示的是一种主观愿望，后接的宾语从句种主观愿望，后接的宾语从句要要用虚拟语气。用虚拟语气。had donedid/werewould/coulddo 考点五：考点五：他太瘦了。他希望自己像比尔那么强壮。他太瘦了。他希望自己像比尔那么强壮。He is too thin. He wishes he were as strong as Bill.我希望明天就能去月球。我希望明天就能去月球。I wish I could go to the moon tomorrow.我希望那时听取了你的意见。我希望那时听取了你的意见。I wish I had taken your advice at that time.我宁愿你明天去。我宁愿你明天去。 I would rather you went tomorrow.我宁愿她没有那样做。我宁愿她没有那样做。 I would rather she hadnt done that.考点六：考点六：would rather(that)表示对表示对过去过去的虚拟的虚拟表示对表示对现在或将来现在或将来的虚拟的虚拟had donedid/were三三虚拟语气在虚拟语气在状语从句状语从句中的用法中的用法 我一直爱你仿佛你是我的亲人。我一直爱你仿佛你是我的亲人。 Ive loved you as if you were my relative.考考 点点 七七as if/though表示对表示对过去过去的虚拟的虚拟表示对表示对现在现在的虚拟的虚拟表示对表示对将来将来的虚拟的虚拟had donedid/werewould/coulddo 1. 在在表示坚持、命令、建议、要求等动词后的宾语从句表示坚持、命令、建议、要求等动词后的宾语从句中，也要用虚拟语气，谓语用中，也要用虚拟语气，谓语用“should动词原形动词原形”，其，其中中 should可以省略。可以省略。表示坚持的动词：表示坚持的动词：表示命令的动词：表示命令的动词：表示要求的动词：表示要求的动词：表示建议的动词：表示建议的动词：考点八：考点八：坚持、命令、建议、要求（类）坚持、命令、建议、要求（类）insistorder, commandsuggest, propose, advise, recomendrequest, require, demand, 注意：注意： suggest suggest 表表“暗示；表明暗示；表明”，insist insist 表表“坚持认为坚持认为”时，时，不用虚拟语气。不用虚拟语气。 2.与上述动词相对应的名词与上述动词相对应的名词suggestion, order, demand , proposal 等后的等后的表语从句、同位语从句表语从句、同位语从句中也要使用虚拟中也要使用虚拟语气语气(should可省略可省略)。如：。如：My proposal is that we (should) set a deadline for handing in the plan. 3.在在It be suggested (ordered, demanded, proposed, ) that 结构中，主语从句中也要使用虚拟语气。如：结构中，主语从句中也要使用虚拟语气。如：Its required that every student be on time for school. 4.在在do you suggest/recommend用在特殊疑问句中作插用在特殊疑问句中作插入语时，句子的动词也使用虚拟语气，即入语时，句子的动词也使用虚拟语气，即“should动动词原形词原形”的形式，其中的形式，其中should可以省略。如：可以省略。如： 你建议我们买什么类型的电脑呢？你建议我们买什么类型的电脑呢？ What type of computer do you recommend/ suggest we (should) buy? (5) 在在Itsnecessary，essential，important, strange, natural等形容词等形容词 that从句或从句或Its a pity，a shame等等名词名词 that 从句中，谓语动词可以使用从句中，谓语动词可以使用(should ) do。 改错：改错： It is necessary that the badly wounded man was treated immediately. Its a pity that you could be so careless.考考 点点 九九 虚拟语气在其他一些句型中的用法虚拟语气在其他一些句型中的用法 Its high/above time (that) + did/were或或should do,其中其中should不可省略不可省略。如：。如： Its high/above time we got up/should get up. 考考 点点 十十2.I lost your address, otherwise Iyou long before. A. had visited B. have visited C. would have visited D. should visit3.If only I to my parents advice!A. listening B. listen C. am listening D. had listened4.His silence at the meeting suggested that he to your plan.A. shouldnt agree B. wouldnt agree C. hadnt agreed D. didnt agreeDBCA5. The young man insisted that he _ nothing wrong and _ free. A. did; set B. had done; should be set C. do; be set D. had done; must be set6. Mother suggested that I _ my homework first before watching TV. A. did B. do C. shall do D. have done7. You didnt let me drive. If we _ in turn, you _ so tired now. A. drove; didnt get B. drove; wouldnt get C. were to drive; wouldnt have got D. had driven; wouldnt getBBD 8. But for your help yesterday, I it well. A. wouldnt do B. had done C. couldnt have done D.did 9. He speaks English so fluently as if he_ English in England.A. had studied B. studied C. should study D. study 10. I _ you some money, but I hadnt any on me then. A. would lend B. would have lent C. could lend D. may have lentCAB