高中英语语法讲解——虚拟语气PPT教学课件.pptxVIP

虚拟语气 ;1．1．谓语动词的各种形式?在If引导的非真实条件句中，谓语动词具有以下特殊形式：;与现在 从 句 did,were, V-ed 事实相反 主 句 would(should,could,might)+v. 与过去 从 句 had+V-ed/been 事实相反 主 句 would(should,could, might) + have+v-ed 对未来的 从 句 were to/should+ v 虚拟推测 主 句 would(should,could,might)+v. ;1.1.1.和现在事实相反的非真实条件句; --How nice it would be if you could stay a bit longer！ 如果你能久留些日子，那多好啊！ --If I knew his address ,I would be able to write to him . 如果我知道他的地址，我就能给他写信了。 --If he were here ,he might be able to help. 如果他在这里，他或许会帮忙的。 ;1.1.2.和过去事实相反的非真实条件句 这类非真实条件句表示过去未发生的事情，和过去事实相反。比如： ;--If I had left a little earlier ,I would have caught the train. 如果我早一点离开的话，我就会赶上火车了。 --The man’s life might have been saved if he had been sent to a better hospital. 如果把那个人送到一家更好的医院的话，他也许回被救活的 ; --I could have done better if I had been more careful. 我要是更细心一些的话，会做得更好的。 You wouldn’t have caught cold if you had put on more clothes. 你如果多穿些衣服，就不会着凉了。 ;1.1.3.对未来事情的虚拟推测? 这类非真实条件句表示对未来事情的虚拟推测。--If I were to/should do it ,I would do it in a different way.; 这类非真实条件句表示对未来事情的虚拟推测。 --If I were to/should do it ,I would do it in a different way. 如果我去做这事的话，我会用不同方式去做的。 --If this were to happen again , we wouldn’t let you off so easily. 如果这样的事情再次发生，我们不会如此轻易的放过你的。 --If they should dare to invade our country , we would wipe them out completely. 如果他们胆敢侵略我们国家，我们会将他们全部消灭掉。 ;1.1.4.省略If的非真实条件句 虚拟条件句中的连接词if省略时，要把were, had, should移到从句的主语之前。比如:;--Had I had more time (=If I had had more time), I would have finished my homework. 如果我有更多些时间，我一定已经完成家庭作业了。 --Should he come early (=If he should come early), tell him to wait for his wife. 如果他来得早，告诉他等候他的妻子。 ;1.1.5.错综时间非真实条件句 主句表示的动作和从句表示的动作所发生的时间不一致时，动词的形式要根据表示的时间进行调整 ，如果从句表示过去，而主句表示现在，或者从句表示现在，而主句表示过去，可以使用混合虚拟形式. ;如果汤姆通过了大学考试，他现在就在这所大学里学习了。--If she wasn’t so busy now, she might have joined us in the work. 如果她现在不那么忙，她或许会参加我们的工作。 ;1.1.6.含蓄条件句?英语中有些句子从形式上看不包含条件从句，但在意义上却是非真实条件句，这类句子称为含蓄条件句，这样的句子可分