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高中英語 Unit3 Understanding each other Grammar and usage課件 牛津譯林版選修6.ppt

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高中英語 Unit3 Understanding each other Grammar and usage課件 牛津譯林版選修6.ppt

牛津高中英語,(模塊六 ·高二上學期),Advance with English,Grammar and usage,Unit,3,Unreal conditionals,Unit 3,課件描述:,本課件通過文字、表格和圖畫對虛擬語氣規(guī)則的講解,使得復雜的語法通俗明了,淺顯易懂;還配上相應的練習加以鞏固。,1. 一般條件句中虛擬語氣的用法。 2. 一般條件句中虛擬語氣的倒裝。 3. 其他一些基本用法。,一般條件句中虛擬語氣的用法,Find out the sentences of unreal conditional mentioned in Reading.,If you had joined the chat room ten minutes ago, you would have known what we were talking about. If I got married in the UK, I would expect a present. If I got married in Italy, I would have to give a present. Should you come to Brunei, you would have to take off your shoes before going into someones house.,1. state a present condition or situation,Eg.,If I were you, I would ask my parents for help. If I had the chance, I might want to be a translator.,一般條件句中虛擬語氣的用法,unreal present conditionals:,If were/did , would do ,1. 假如我有更多的時間,我就會學習漢語。,If I had more time, I would study Chinese.,2. 要不是她這么忙,她就會出席今天下午的會議了。 If she were not so busy, she would attend the meeting this afternoon.,Practice:,Tips: 1) Would, could and might are often interchangeable, but with some difference in meaning. would intention; plan could ability; possibility might probability 2) In written English or in formal situation, we usually use were in If-clauses in place of was. However, in everyday conversation, was is often used.,What would you do if you won the lottery? If I won the lottery, I would ,2. refer to an imaginary past action.,E.g.,If the man had pointed with his first finger while he was in Brunei, everyone would have thought that he was very rude.,unreal past conditionals :,If had been/done , would/could/might have done ,1) 如果他抓緊時間,他本來能趕上那趟火車。,If he had hurried, he could have caught the train.,2) 如果你昨天告訴他,他也許會提些建議了。,If you had told him yesterday, he might have made some suggestions.,3. unreal future conditionals.,1) If I had time tomorrow, I would certainly help you.,2) If I were to fail my English test, I would have to take it again at the end of the term.,3) If he should come tomorrow, I would talk to him about it.,E.g.,3. unreal future conditionals :,If were/did/should/were to , would/should/might do ,E.g.,1) 假如我要出國,我就會去中國。,If I were to go abroad, I would go to China.,2) 萬一明天下雨,我們的運動會就推遲。,If it should rain tomorrow, our sports meeting would be put off.,表示與現在事實情況相反(present),表示與過去事實情況相反(past),表示與將來事實情況相反(future),過去式(did/were) (be常用 were),過去式(did)/(were) should + do were to do,過去完成式 (had +done),would/could / might/should + do,would/could/ might/should +have done,would/could/ might/should + do,虛擬語氣在條件從句中,We can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more.,If you should make a mistake, you should not be embarrassed.,Should you make a mistake, you should not be embarrassed.,條件句中虛擬語氣的倒裝,2 ) If you had told me earlier, I would not have this problem now.,Had you told me earlier, I would not have this problem now.,3) If you were to take the train, you would be there much sooner.,Were you to take the train, you would be there much sooner.,注意: 如果省略的條件句中的謂語動詞是否定形式時,不能用動詞的縮略形式.,我們可以說: Were it not for the expense, I would go abroad now. 但不說: Werent it for ,_ she _ yesterday, she would meet the famous singer today. Hadnt; left B. Had; not left C. If; didnt leave D. Didnt; leave,TIPS,B. Had; not left,Practice,Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didnt let me drive. If we (drive) in turn, you (not get) so tired. 2. _it _(not be) for your help, I couldnt have made any progress. 3. Has Mr. Smith recovered now? Yes. Who (think) that such a serious illness could be cured? 4. _it _(rain) tomorrow, the match would be called off.,had driven,wouldnt have got,Had,not been,would have thought,Were,to rain,5. Most of the students felt rather disappointed at the English party. They said that it (organize) better. 6. Jean doesnt want to work right away because she thinks that if (get) a job, she probably wouldnt be able to see her friends very often. 7. Much labour would have been saved if electronic computer _ (invent) before. 8. Well done, Jack! Thanks. But given more time, I_ (do) it better.,might have been organized,were to get/should get/got,had been invented,could/might/would have done,More exercise: Everything if Albert hadnt called the fire brigade.,A. will be destroyed B. will have been destroyed C. would be destroyed D. would have been destroyed,D. would have been destroyed,2. The business is risky. But _, we would be rich. A. should we succeed B. we should succeed C. might we succeed D. would we succeed,A. should we succeed,3. What would have happened, _, as far as the river bank?,A. Bob had walked farther B. if Bob should walk farther C. had Bob walked farther D. if Bob walked farther,C. had Bob walked farther,

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