初中英语语法-虚拟语气课件

1、Subjunctive Mood中学英语语法讲解1.英语动词有三种语气， 陈述语气，祈使语气和虚拟语气。（见课本P 170页）。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。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 / werehad donewould/could/should/might +V.(原)would/could/should/might+have+p.p.1. did / were2. should do3. were to dowould/could/should/m

2、ight + V.(原)5. If it should rain tomorrow, they wouldnt go for an outing.6. I think we could do it, if we planed it properly and could borrow the tools.7. If we were to have three days off , we would enjoy a very happy life.与未来事实相反二、虚拟语气特殊句型： wish + 宾语从句现在：过去：未来：过去时 (did/were)过去完成时 (had done)would/c

3、ould/might+V. shouldI 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 that -现在：过去：未来：I would rather you paid me now. (现在)I would rather you had gone, too. (过去)Dont come. I would rather you came tomorrow. (未来)过去时过去时过去完成时3. as

4、if /though + 从句现在：过去：过去时过去完成时He looks as if he were drunk.They talked as if they had been friends for years.She loves the baby as if it were her own son.It seems as if it were spring.I remember the whole thing as if it had happened yesterday.5. 表示要求，命令，建议的虚拟语气。宾语从句。常见动词：一个坚持：insist两个命令：order, comman

5、d 三个建议：advise, suggest, propose四个要求：demand , require, request, desire 这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用should + 动词原形，或者将should省略。 以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语）也要使用虚拟语气。从句中的动词形式一样。 order, advice, suggestion, proposal, demand, request, desire6.without和but for 构成虚拟。(but for要不是) Without sunlight, peo

6、ples life would be different from today. But for your help, I wouldnt have finished the work. Without your help, I would have failed. But for water, it would be impossible to live in the desert.7. If only (要是就好了) If only I knew his name!If only we had followed your advice!If only I could see him aga

7、in!要是我们的父母能和我们住在一起就好了。要是我没错过火车就好了！If only our parents could live with us!If only I hadnt missed the train!8. Its necessary /strange/ natural/ important + that - 从句中的动词要用虚拟，即(should)+动词原形It is important that we ( should ) master a foreign language.It is strange that she refuse to come to the party.It

8、s necessary that we should study hard.9. Its +high time+ that - 从句中的动词要用虚拟，即 should+动词原形. 也可用动词过去时态。It is high time that we should pay more attention to our environment.It is high time that we payed more attention to our environment.10. 某些简单句的固定句型： Heaven help him! God bless you! May you succeed! Lo

9、ng live the Peoples Republic of China!2.假设条件虚拟倒装。 条件从句中有should， were， had三个助动词可以把if省略，并将这三个词提至句首。If I were you, I would give it up.Were I you, I would give it up.If it were not for your advice, we couldnt have got over the difficulties.Were it not for your advice, we couldnt have got over the difficulties.If I had had time, I would have run round that lake again