虚拟语气32399113.ppt

① 表“坚决要求”,虚拟, should + do; ②表“坚称,坚持说”,陈述语气,表事实。 ①表“建议”，虚拟, should + do; ②表“表明、暗示” ，用陈述语气。 1.The teacher suggested that we ______________ more after class. 2. The look on her face suggested that she ________happy 3. He insisted that all of us ___________there on time by any means. 4. He insisted that he _____________ the wallet. A.在 “It is important (necessary, strange, natural) that ...”句型中，that 后面的从句中的谓语动词用： （should） + V原形 It’s necessary that we should have a walk now. * * 陕西省府谷中学外语组 吕文娟 英语的动词一般有三种不同的语气： 陈述语气，祈使语气和虚拟语气。不同的语气用动词的不同形式（有的还借助句法形式）来表示。 语气 虚拟语气是一种特殊的动词形式， ——是用来表示说话人所说的话不是一个事实，而是一种假设、猜测、怀疑等(在条件状语从句中) ——是表示说话人的愿望、要求、命令、建议等 (在名词性从句中)。 虚拟语气的概念 根据谓语动词的形式，分为四大类 虚拟语气的种类 一、 虚拟条件状语从句 二、谓语动词用 （should）+ V原 的虚拟语气 三、谓语动词用 had +done 或did 的虚拟语气 四、 情态动词+ have done 未来 过去 现在 主句的谓语形式 If从句的谓语形式 V. + ed (were) had done would/could/should/might +V (原) would/could/should/might+have+p.p. 1.V.+ ed. 2. should+ V.(原) 3. were to V.(原) would/could/should/might +V. (原) 一、 在条件状语从句中的用法 1. If I had 5000yuan, I would buy a computer. 2. If I were a bird, I would fly in the sky. 3. If it should \were to rain, we would call off the match. 4. If he had been there, it wouldn’t have happened. （与现在事实相反） （与过去事实相反） （与将来事实相反） 使用虚拟条件句要注意的几点： １．当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为：错综时间条件句“，动词的形式要根据它所表示的时间作出相应的调整． 1).If you had followed my advice , you would be better now. 2).If you had studied hard before, you would be a college student now. ２. without, but for（要不是），or（否则）和otherwise等含蓄条件句的虚拟（主句的形式）。 1).Without sunlight, there would be no life on our planet. 2).But for your help, I wouldn’t have finished the work. 3).I was ill that day .Otherwise , I would have taken part in the sports meet.(副词) 4).He telephoned to inform me of your birthday , or I would have known nothing about it .(连词) 3 ． 在条件句中，可省略 if，把 were ,had, should 提到句首，变为倒装句式． 1).If I were at school again