Grammar and usage(1): Unreal conditionsppt课件配套教案内容

江苏省金湖中学

教学案

主备：郭莹春

2017.11.22 M6U3

Grammar and usage

Unreal conditionals 【学习目标】1. 掌握重点单词、短语和句型的用法

2. 学会分析并运用动名词

【课前学习】虚拟语气的不同形式

【课堂学习】

一、虚拟语气的概念

虚拟语气是一种特殊的动词形式，一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(在条件从句中或

让步状语从句中)；二是表示说话人的愿望、要求、命令、建议

等

(在宾语从句、表语从句、同位语从句)。

1. 虚拟语气主从句谓语动词变化形式：

条件从句

主句

与现在事实相反

与过去事实相反

与将来事实相反

1. 2. 3. A.与现在相反

1.If I _____ a bird, I _______(have) two wings. 2.If I _____ two wings, I ___________(fly) in the sky. 3.If I _______(speak)their language, I ____________(make) friends with other birds. 4.If I ______(fly) too low, I_______________(shot) by a hunter.

5.If I ____ as tall as Yao Ming, I ______ become a famous basketball player. 6.If I ____ a lot of money, I

_____ buy a villa(别墅）

Group work 如果我是一名百万富翁，我会给金湖中学建一座图书馆。如果我有足够的钱，我为每

一位学生提供免费的三餐。如果我是超人，我会把钓鱼岛从日本手里抢回来。

If I ______ a millionaire, I

_____ build a library for Jinhu Middle School. If I _____ enough money, I ___________ (supply) free food to the students. If I ______ a superman, I ______ seize Diao Yu Islands back from Japan. B.与过去相反

1.If you_______(come) a few minutes earlier, you ___________________________(meet) him. 要是你早来几分钟的话，你就能见到他了。

2.If Titanic ________ ( not hit) an iceberg, the unsinkable ship _______________ (not sink) into the ocean. 3..If he ___________ (drive )more carefully,he

_______________

(not have)the car

Difficulties make life worth living.

困难让生活有价值。

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江苏省金湖中学

教学案

主备：郭莹春

2017.11.22 accident yesterday. Group work：

如果开学那天许翠霞老师不上街去吃饭，她就不会被车撞，如果她小心点，她就能躲过这场事故。如果司机开慢点，就能避免这次事故。如果她不出这次事故，他就可以快乐的上班了。

If Miss Xu Cuixia____________(not go) out to have lunch, she _____________________( not hurt) by a three-wheeled car. If she __________ (be) careful when crossing the street, she _______________ (escape) the accident；and if the driver ______________(drive) slowly, the accident ______ ________________(avoid). If she _____________ (not have) such a terrible accident, she ___________(go) to work happily everyday now.

C.与将来相反

1.If the students __________(have) 5 days off next week, the students ________ very happy. 如果下星期同学们放五天假，同学们应该会很高兴。

2.If the God

________________________(give) mean other chance，I_________ (tell) the girl three words, “ I love you.” If I

______(have to) set a time limit to our love, It_________ (be)10,000 years!

Group work(改正文章中出现的三处错误）

如果彭予辰有朝一日成为***，我就是***的老师，到那时我将作为***的老师受到人们的尊敬。我将为彭予辰感到自豪。

If Peng yuchen

becomes Chairman of our country inthe future, I will become the Chairman’s master. By then I would be respected by people as king’s master and I shall be proud of her.

Ⅱ.巩固练习

1.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 2.if it______ tomorrow, I wouldn’t attend the party.

A. rain

B. rains

C. had rained

D. were to rain 3.I would have gone to the meeting if I _____ time.

A. had had

B. have had

C. had

D. would have had 4.Alan ___ the party if he had gone to London.

A. would have missed

B. had missed

C. would miss

D. missed 5.(2012天津)We would have called a taxi yesterday if Harold _______ us a ride home.

A. didn’t offer

B. wouldn’t offer

C. hasn’t offered

D. hadn’t offered

6. If he

my advice, he wouldn‘t have lost his job.(2010,天津) A. followed

B. should follow

C. had followed

D. would follow 7. John went to the hospital alone. If he ___ me about it, I would have gone with him.(2010,重庆) A. should tell

B. tells

C. told

D. had told 8. If we ___ the other road ,we might have arrived here in time for the meeting.(2010,陕西)

A. take

B. had taken

C. took

D. have taken Difficulties make life worth living.

困难让生活有价值。

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江苏省金湖中学

教学案

主备：郭莹春

2017.11.22 D.Note:在条件句中如果出现were, had, should可省去if，将主语与这些词倒装.

1.If I were a doctor, I would save her life without hesitation.

2.If you had gone to the concert yesterday, you would have met her.

3.If it should

rain tomorrow, the meeting would be put off.

4. Had you come earlier, you would have met my sister.

5. Were you to take the train, you would be there much sooner.

Ⅲ混合虚拟语气

A. If I _____________（记下）his phone number, I ______________（能联系）him yesterday. B. If I_____________ his phone number, I______________ him now. 很多情况下，从句和主句并不与同一时间的事实相反。

1.If you ____________(follow) my advice in the past, your English___________(be)better now.

(从句与过去事实相反，主句与现在事实相反) 2.If he________ a kind-hearted man, he ______ ____ _____ such a man as you that day. (be not ,

help)

(从句与现在事实相反，主句与过去事实相反) 3.If it __________(be,not) for you yesterday, I __________(have) to make another trip there tomorrow

(从句与过去事实相反，主句与将来事实相反)

Ⅳ. Implied conditions(隐含/含蓄虚拟句)

A.otherwise, or, with, without, but for ) 暗含一个虚拟的条件，他们后面出现一个虚拟的主句。

Without air , there would be no living things. ＝

If ________ _________ _________ air, there would be no living things? But for your help, I could not have done it . If _______ _______ ________ ________ your help, I could not have done it. If it had not been for the free tickets, I wouldn’t have gone to the film so often.

=_______ _______ ______ _______ ________ the free tickets, ….

=_______ _____ the free tickets,…

=_______ the free tickets,…

2. If it were

not for your advice, I would never be a good student.

=_______ ________ ________ ________your advice, ….

=________ _______your advice, ….

=_________ your advice, ….

Difficulties make life worth living.

困难让生活有价值。

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江苏省金湖中学

教学案

主备：郭莹春

2017.11.22 B.句子+

otherwise, + 句子

sb would do sth(现在)

or

sb would have done sth(过去) 1.I am too busy now, or I ______________(help) you do the work.

2. I ran all the way to school,

otherwise I ________________(be) late.

C.句中不含条件句，而是通过介词短语，连词,分词表示一个隐含条件。

常见暗含语：

____________________________________________________________________

与现在/将来事实相反：

_______________________________________ 与过去事实相反：

_______________________________________ D.巩固训练

1. Without

sunlight, people’s life _________(be) different from today.

2. But for your help, I _________________ (finish) the work. 3. The storm stopped, otherwise the sailors_________________ (fall)into the sea.

4.用otherwise, or, with, without, but for, 改写句子

①. If I had more money, I could help more people in need.

(with) ________________________________________________________ ②.If there were no music, the world

would be a dull place. (without) ________________________________________________________ Ⅶ. if only 引导的感叹句，意为“但愿，要是……就好了”

if only + clause

did (与现在事实相反)

had done(与过去事实相反)

would do (与将来事实相反) 1. If only the rain __________(stop) tomorrow. 2. If only I _______(be) rich now.

3. If only I __________(listen) to my parents then. 【巩固练习】

(

)1. It is strange that they ______ go there.

A. can

B. should

C. would

D. have to

(

)2. _______ the English examination, I would have gone to the concert last Sunday

A. In spite of

B. But for

C. Because of

D. As for

(

)3. There is a real possibility that these animals could be frightened, _______a sudden loud noise.

A. being there

B. should there be

C. there was

D. there having been 【教/学感悟】

_____________________________________________________

Difficulties make life worth living.

困难让生活有价值。

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