Unit 4 Learning effectively Grammar虚拟语气 课件（36张）

课件36张PPT。 I'd rather be a sparrow than a snail. Yes I would. If I could,I surely would.I'd rather be a hammar than a nail .Yes I would.If I only could,I surely would.Away, I'd rather sail away. Like a swan that's here and gone. A man gets tied up to the ground. He gives the world. It's saddest sound,I'd rather be a forest than a street.Yes I would. If I could,I surely would. I'd rather feel the earth beneath my feet, Yes I would.If I only could,I surely would. Subjunctive mood subjunctive mood subjunctive mood subjunctive mood
subjunctive mood subjunctive mood subjunctive mood subjunctive mood
subjunctive mood subjunctive mood subjunctive mood subjunctive mood
subjunctive moodGrammar1.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，或者是不可能发生或可能性比较小的情况，而是一种愿望，建议，假设的语气叫虚拟语气。一、虚拟语气定义Q:What’s the difference between the two sentences?If I am free, I will visit you. If I were a bird, I would fly into the sky. （虚拟条件句） (真实条件句）Subjunctive mood if 引导虚拟条件句If we have chances, we can have
further cooperation.If I have another chance, I will visit China again.
If you have interest, you can put up your hands and ask me questionsWhat would you do if you won the lottery?
If I won the lottery, I would…If I won the lottery, I would buy an expensive car. (与现在事实相反）If I won the lottery, I would buy a villa.（与现在事实相反）If he had got up early, he would not have been late for school.（与过去事实相反）如果他早起，他就不会上学迟到。If he __________ （drive) more carefully, he _________________ (not have) the car accident yesterday.（与过去事实相反）had driven would not have had If I ________ (learn ) how to swim,
I __________________ (be) trapped in
this island.（与过去事实相反）had learntwould not have been假如他来了, 我们对他说什么呢？If he were to come, what should we say to him.假如他看见我, 就会认识我。If he should see me, he would know me.一、一般条件句中的虚拟语气
一、一般条件句中的虚拟语气
If I were you, I ____ buy the house right now.
A. won’t B. don’t C. wouldn’t D. can’t
2. _____more careful, his ship would not have
sunk.
A. If the captain were
B. If the captain had been
C. Should the captain be
D. If the captain would have been
3. If he ____me tomorrow, I would let him know
A. should call B. should not have been able
C. were not able D. are not able BCA二. 名词性从句的虚拟语气。
主要是表示命令、要求、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, command
三条建议：advise, suggest, propose
四项要求：demand , require, request, ask 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。1.我们建议Tom去休息一下。
2.他坚决要求我到场。
3.国王命令囚犯明天要实施死刑。
4.他们要求我们派他们去那儿工作。1.We suggested that Tom2.He insisted that I present.4.They requested that we3.The king ordered that the prisoners should have a rest.(should) beShould be killedthe next day.should send themto work there. 2、以上动词相应的名词构成的名词性从句（包括主语从句，表语从句和同位语从句）也要使用虚拟语气。从句中的动词形式一样。
order, advice, suggestion, proposal, demand, request, desireIt’s suggested that the plan be carried out.
My demand is that she should come to see me once a week.
All of us are for the advice that the chemical factory should be closed down.三、几种特殊结构中虚拟语气的用法；1）wish
+ 宾语从句现在：
过去：
未来：过去时 (did/were)过去完成时 (had done)would/could/might+V.
shouldI wish I were a bird. (现在)
I wish I hadn’t made such a mistake. (过去)
We wish our parents wouldn’t punish us.
(未来)I wish I _____a bird.wereI wish every day _____my birthday.wereI wish/wished I ____________( not eat ) so much watermelon.hadn’t eaten2）would rather that -现在：
过去：
未来：I would rather you ________(pay) me now. (现在)I would rather you _______ (go) there yesterday. (过去)Don’t come. I would rather you _____(come) tomorrow. (未来)过去时过去时过去完成时paid me had gonecame3） as if /though + 从句现在：
过去：过去时过去完成时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.4).It’s （high） time +that -should +V.过去时你该走了。我们该睡觉了。It’s high time that you .
It’s high time that you .It’s time that we .
It’s time that we to bed. wentshould gowent to bedshould go5）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 again!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 hadn’t missed the train!6）It’s necessary /strange/ natural/ important a pity+ that --- 从句中的动词要用虚拟，即(should)+动词原形1.It is important that we ( should ) master a foreign language.
2. It is strange that she refuse to come to the party.
3. It’s necessary that we should study hard. 1 .The volleyball match will be put off if it _____.　 A.　will rain　B. rains　C. rained　D. is rainedB精选习题2. You didn’t let me drive. If we ____ in turn, you ____ so tired.
A. drove…didn’t get
B. had driven…wouldn’t have got
C. drove…wouldn’t get
D. were driving…wouldn’t get
B
3. What would have happened, _____ as far as the river bank?
A. Bob had walked farther
B. if Bob should walk farther
C. If Bob had walked farther
D. if Bob walked farther
4. How I wish every family _____ a large house with a beautiful garden! (02 上海) A. has B. had C. will have D. had had
CB
5. When a pencil is partly in a glass of water, it looks as if it ____. (95 N)
A. breaks B. has broken
C. were broken D. had been brokenC.
6 - Do you mind if I leave the window open?
- Well, I’d rather you _____ .
A. don’t B. didn’t
C. won’t D. mustn’t
7. It’s half past eleven. It’s high time _____ home.
A. we’ll B. we’d
C. we’re going D. we wentBDflash1.I am afraid I am busy tonight ,so I would rather you——————-—— (不来) .
2.Mike's father ,as well as his mother insited that he———————— (该呆在家里)(stay)
3.You —————— (本不该出去）last night without an overcoat.No wonder you caught a cold (go)
4.I am worried about the monitor, she————————(应该到这里）an hour ago (be)
5.The sun rises in the east and sets in the west,so it seems as if the sun______________ (绕着地球转）.(circle)
6.How I wish I ____________ (保存了） the file I was working on.(save)
7.If we had been more careful, the accident ______________ (不可能发生），（happen)
8.If everyone in the country knew first aid, many lives ______________(被救）。 （save)
9.As is know to all,It is higt time that we ______ ________________ (采取措施） to stop pollution . (take)
Thank you