高三一轮虚拟语气ppt课件.ppt
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1、1.英语动词有三种语气, 陈述语气,祈使语气和虚拟语气。 2. 定义:用来表示说的话不是事实,或者是不可能发生的情况,而是一种愿望,建议,假设的语气叫虚拟语气。,if条件句,Part1,真实,虚拟,What will you do if it rains tomorrow?,I will stay at home if it rains tomorrow.,一、虚拟语气在条件状语从句中的用法,条件从句,If 从句的谓语形式,主句的谓语形式,现在,过去,未来,did / were,had done,would/could/should/might +V.(原),would/could/shoul
2、d/might+have+p.p.,1. did / were 2. should do 3. were to do,would/could/should/ might + V.(原),条件状语的倒装(if省略):,如果条件状语中有were, had, should时, 可以倒装成:Were / Should / Had +主+其他,Were I you, I would try it again.,Had he been there yesterday, he would have seen the film.,Should it snow tomorrow, we wouldnt go o
3、ut.,If I were you, I would try it again.,If he had been there yesterday, he would have seen the film.,If it should snow tomorrow, we wouldnt go out.,含蓄虚拟条件句 一些介词短语, 如:but for(要不是), without, otherwise(= or 否则), in that case(如果是那样的话), 表示含蓄的条件,这时主句要用虚拟语气 考题 He hesitated for a moment before kicking the
4、ball, otherwise he _ a goal. A. had scored B. scored C. would score D. would have scored,6.without和but for 构成虚拟。(but for要不是),Without sunlight, peoples life would be different from today. But for your help, I wouldnt have finished the work.,1.有时,主句与从句的动作发生在不同的时间,主句从句谓语动词的虚拟语气形式因时间不同而不同,这种条件句叫做混合条件句。例
5、如: If the weather had been finer, the crops would be growing still better. If you had followed the teachers advice, you wouldnt be in the hospital.,错综条件句,If you had asked him yesterday, you would know what to do now. 如果你昨天问过他,今天就知道做什么了。(从句与过去事实相反,主句与现在事实相反。) If it had rained last night(过去), it would
6、 be very cold today (现在).如果昨晚下过雨,今天就会很冷了。,考题 It is hard for me to imagine what I would be doing today if I _ in love, at the age of seven, with the Melinda Cox Library in my hometown. A. wouldnt have fallen B. had not fallen C. should fall D. were to fall,虚拟语气特殊句型:,wish + 宾语从句,现在: 过去: 未来:,过去时 (did/w
7、ere),过去完成时 (had done)或者might/could/would+have done,would/could/might+V. should,I wish I were a bird. (现在) I wish I hadnt made such a mistake. (过去) We wish our parents wouldnt punish us. (未来),2. would rather had rather that would sooner,现在: 过去: 未来:,I would rather you paid me now. (现在),I would rather
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