人教 版高中英语选修8Unit3 Inventors and inventions 虚拟语气课件（共50张）
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| 名称 | 人教 版高中英语选修8Unit3 Inventors and inventions 虚拟语气课件（共50张） |  | |
| 格式 | zip | ||
| 文件大小 | 1.4MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-05-28 20:56:28 | ||
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课件50张PPT。Subjunctive
MoodWe met in this room .
Do come to the meeting next Friday .
If I were you , I would study hard . 陈述语气祈使语气虚拟语气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）if引导的虚拟条件句（一）区别:
If it rains tomorrow, the crops will be saved. If it rained tomorrow, the crops would be saved. 陈述语气虚拟语气（1）一般条件句中的虚拟语气What would you do if you won the lottery?
If I won the lottery, I would…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.If I had a lot of money, I would buy a villa.If it were fine now,I would go shopping.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
想一想
（2）错综时间的虚拟句
通常情况下,在非真实条件句中主句和从句的谓语动词所指时间是一致的, 但有时也可能指不同的时间,这时要根据上下文的意思采用不同的谓语动词形式.
1. If I were you, I would have taken his advice. (从句指现在, 主句指过去)。
2. If I had taken my raincoat with me this morning, I would not be wet now.
(从句指过去,主句指现在)。
If you had told me in advance, I _____ him at the airport. A. would meet B. would had met C. would have met D. would have meet 高手过招______I you, I would go with him to the party. A. Was B. Had been C. Will be D. Were if it______ tomorrow, I wouldn’t attend the party. A. rain B. rains C. had rained D. were to rain I would have gone to the meeting if I _____ time. A. had had B. have had C. had D. would have had He suggested that they _____ use a trick instead of fighting. A. should B. would C. do D. had （3）倒装的If虚拟句
万一下雨，我们将不得不推迟比 赛。
we will have to put off the sports meet. In case it rains,In case of rain, If it should rain, Should it rain,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, … Had he been there yesterday, …Should it snow tomorrow, …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 wouldn’t go out.如果我是你，我会再试一次。如果他昨天在那儿的话，他就会看那部电影了。 如果明天下雪，我们就不出去了。Had you listened to the doctor，you ________ all right. A. are?????????????B. were C. would be???D. would have been （4）含蓄条件句 非真实条件句中的条件从句有时不表出来，只暗含在上下文中，这种句子叫做含蓄条件句。含蓄条件句大体有三种情况: 1. 条件暗含在短语中。如： W hat would I have done without you?
(条件暗含在分词短语without you中) It would be easier to do it this way.
(条件暗含在不定式短语to do it this way 中) But for your help we couldn’t have succeeded in the experiment.
(暗含条件是but for your help) This same thing, happening in wartime, would lead to a disaster.
(条件暗含在分词短语happening in wartime中) He must have the strength of a hippopotamus, or he never could have vanquished that great beast.
(暗含条件是连词or) Alone, he would have been terrified.
(暗含条件是alone) 2. 条件暗含在上下文中。如： You might stay here forever.
(可能暗含if you wanted to)
We would have succeeded.
(可能暗含if we had kept trying)
Your reputation would be ruined.
(可能暗含if you should accept it) I would appreciate a little of your time.
(可能暗含if you were so kind as to give me a little of your time) 3. 在不少情况下，虚拟式已变成习惯说法，很难找出其暗含的条件。如： You wouldn’t know. 你不会知道。
I would like to come. 我愿意来。
I wouldn’t have dreamed of it.
这是我做梦也不会想到的。 He told the story in such minute detail that he might himself have been an eye-witness.
他将那事讲的非常仔细，简直就象他亲眼看见一样
1. Without sunlight , or water or air , there ___ no life on the earth .
A will have B would be
C can be D must be
2 But for the snow , we ___ earlier .
A will arrive B would have arrived
C arrive D arrived
（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
三个建议：advise, suggest, propose
五个要求：demand , require, request, desire 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.It’s suggested that the plan
My demand is that she to see me once a week.
We are for the advice that the factory closed down.be carried out.
should comeshould be注意:insist / suggest 各有两意思，要用不同的语气
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. （我们课后多练习）
2. The look on her face suggested that she ________happy
3. He insisted that all of us ___________there on time by any means. （我们大家想尽办法按时去那儿）
4. He insisted that he _____________ the wallet(没有偷钱包).insistsuggest(should) practisewasshould bedidn’t steal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.虚拟语气Alan ___ the party if he had gone to London.
A. would have missed B. had missed
C. would miss D. missed
2.—It was the drug，not the disease，that killed the boy.
—He would be still alive today if he ________ that drug.
A.not take?????? B. hadn’t taken
C. didn’t take??D. shouldn’t have takenExercises虚拟语气3. If only I ___ to my parents! (But I didn’t.)
A. listened B. had listened
C. should listen D. would listen
4. Tom suggested that Ann ___ the house.
A. sell B. sold
C. shall sell D. would sell
5. I wish this bus ___ to the university.
A. go B. went C. has gone D. had gone虚拟语气9. – Have you ever been to Beijing?
-- No, but I wish I ___.
A. have B. will C. do D. had
10. I don’t think it is the right time that you __.
A. will go B. went
C. go D. must go
11. When a pencil is partly in a glass of water, it looks as if it ＿＿＿＿.
A. breaks?? B. has broken??
C. were broken?? D. had been broken
MoodWe met in this room .
Do come to the meeting next Friday .
If I were you , I would study hard . 陈述语气祈使语气虚拟语气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）if引导的虚拟条件句（一）区别:
If it rains tomorrow, the crops will be saved. If it rained tomorrow, the crops would be saved. 陈述语气虚拟语气（1）一般条件句中的虚拟语气What would you do if you won the lottery?
If I won the lottery, I would…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.If I had a lot of money, I would buy a villa.If it were fine now,I would go shopping.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
想一想
（2）错综时间的虚拟句
通常情况下,在非真实条件句中主句和从句的谓语动词所指时间是一致的, 但有时也可能指不同的时间,这时要根据上下文的意思采用不同的谓语动词形式.
1. If I were you, I would have taken his advice. (从句指现在, 主句指过去)。
2. If I had taken my raincoat with me this morning, I would not be wet now.
(从句指过去,主句指现在)。
If you had told me in advance, I _____ him at the airport. A. would meet B. would had met C. would have met D. would have meet 高手过招______I you, I would go with him to the party. A. Was B. Had been C. Will be D. Were if it______ tomorrow, I wouldn’t attend the party. A. rain B. rains C. had rained D. were to rain I would have gone to the meeting if I _____ time. A. had had B. have had C. had D. would have had He suggested that they _____ use a trick instead of fighting. A. should B. would C. do D. had （3）倒装的If虚拟句
万一下雨，我们将不得不推迟比 赛。
we will have to put off the sports meet. In case it rains,In case of rain, If it should rain, Should it rain,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, … Had he been there yesterday, …Should it snow tomorrow, …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 wouldn’t go out.如果我是你，我会再试一次。如果他昨天在那儿的话，他就会看那部电影了。 如果明天下雪，我们就不出去了。Had you listened to the doctor，you ________ all right. A. are?????????????B. were C. would be???D. would have been （4）含蓄条件句 非真实条件句中的条件从句有时不表出来，只暗含在上下文中，这种句子叫做含蓄条件句。含蓄条件句大体有三种情况: 1. 条件暗含在短语中。如： W hat would I have done without you?
(条件暗含在分词短语without you中) It would be easier to do it this way.
(条件暗含在不定式短语to do it this way 中) But for your help we couldn’t have succeeded in the experiment.
(暗含条件是but for your help) This same thing, happening in wartime, would lead to a disaster.
(条件暗含在分词短语happening in wartime中) He must have the strength of a hippopotamus, or he never could have vanquished that great beast.
(暗含条件是连词or) Alone, he would have been terrified.
(暗含条件是alone) 2. 条件暗含在上下文中。如： You might stay here forever.
(可能暗含if you wanted to)
We would have succeeded.
(可能暗含if we had kept trying)
Your reputation would be ruined.
(可能暗含if you should accept it) I would appreciate a little of your time.
(可能暗含if you were so kind as to give me a little of your time) 3. 在不少情况下，虚拟式已变成习惯说法，很难找出其暗含的条件。如： You wouldn’t know. 你不会知道。
I would like to come. 我愿意来。
I wouldn’t have dreamed of it.
这是我做梦也不会想到的。 He told the story in such minute detail that he might himself have been an eye-witness.
他将那事讲的非常仔细，简直就象他亲眼看见一样
1. Without sunlight , or water or air , there ___ no life on the earth .
A will have B would be
C can be D must be
2 But for the snow , we ___ earlier .
A will arrive B would have arrived
C arrive D arrived
（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
三个建议：advise, suggest, propose
五个要求：demand , require, request, desire 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.It’s suggested that the plan
My demand is that she to see me once a week.
We are for the advice that the factory closed down.be carried out.
should comeshould be注意:insist / suggest 各有两意思，要用不同的语气
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. （我们课后多练习）
2. The look on her face suggested that she ________happy
3. He insisted that all of us ___________there on time by any means. （我们大家想尽办法按时去那儿）
4. He insisted that he _____________ the wallet(没有偷钱包).insistsuggest(should) practisewasshould bedidn’t steal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.虚拟语气Alan ___ the party if he had gone to London.
A. would have missed B. had missed
C. would miss D. missed
2.—It was the drug，not the disease，that killed the boy.
—He would be still alive today if he ________ that drug.
A.not take?????? B. hadn’t taken
C. didn’t take??D. shouldn’t have takenExercises虚拟语气3. If only I ___ to my parents! (But I didn’t.)
A. listened B. had listened
C. should listen D. would listen
4. Tom suggested that Ann ___ the house.
A. sell B. sold
C. shall sell D. would sell
5. I wish this bus ___ to the university.
A. go B. went C. has gone D. had gone虚拟语气9. – Have you ever been to Beijing?
-- No, but I wish I ___.
A. have B. will C. do D. had
10. I don’t think it is the right time that you __.
A. will go B. went
C. go D. must go
11. When a pencil is partly in a glass of water, it looks as if it ＿＿＿＿.
A. breaks?? B. has broken??
C. were broken?? D. had been broken