Book6_U3_Grammarandusage

1、( (模塊六模塊六 高二上學(xué)期高二上學(xué)期) ) Grammar and usage 板塊：板塊：grammar教學(xué)設(shè)計(jì)教學(xué)設(shè)計(jì)課件課件 作者：丁荷花作者：丁荷花 Unreal conditionals 課件描述：課件描述： 本課件通過文字、本課件通過文字、表格和圖畫表格和圖畫對(duì)對(duì) 虛擬語(yǔ)氣規(guī)則的講解，使得復(fù)雜的虛擬語(yǔ)氣規(guī)則的講解，使得復(fù)雜的 語(yǔ)法通俗明了，淺顯易懂；還配上語(yǔ)法通俗明了，淺顯易懂；還配上 相應(yīng)的練習(xí)加以鞏固。相應(yīng)的練習(xí)加以鞏固。 1. 一般條件句中虛擬語(yǔ)氣的用法。一般條件句中虛擬語(yǔ)氣的用法。 2. 一般條件句中虛擬語(yǔ)氣的倒裝。一般條件句中虛擬語(yǔ)氣的倒裝。 3. 其他一些基本用法。

2、其他一些基本用法。 一般條件句中虛擬語(yǔ)氣的用法一般條件句中虛擬語(yǔ)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 g

3、ive 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(yǔ)氣的用法一般條件句中虛擬語(yǔ)氣的用法 unreal pres

4、ent conditionals: If were/did , would do 1. 假如我有更多的時(shí)間，我就會(huì)學(xué)習(xí)漢語(yǔ)。 If I had more time, I would study Chinese. 2. 要不是她這么忙要不是她這么忙,她就會(huì)出席今天下午的會(huì)議她就會(huì)出席今天下午的會(huì)議 了。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 wit

5、h 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 t

6、he lottery, I would 2. refer to an imaginary past action. E.g. unreal past conditionals : If had been/done , would/could/might have done 1) 如果他抓緊時(shí)間，他本來能趕上那趟火車。如果他抓緊時(shí)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(huì)提些建議了。如果你昨天告訴他，他也許會(huì)提些建議了。 If you had told him yesterda

7、y, he might have made some suggestions. 3. unreal future conditionals. 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(guó)，我就會(huì)去中國(guó)。假如我要出國(guó)，我就會(huì)去中國(guó)。 2) 萬一明天下雨，我們的運(yùn)動(dòng)會(huì)就推遲。萬一明天下雨，我們的運(yùn)動(dòng)會(huì)就推遲。 表示與事實(shí)情況相反表示與事實(shí)情況相反 條件從句的謂語(yǔ)形式條件從句的謂語(yǔ)形式主句的謂語(yǔ)形式主句的謂語(yǔ)形式 表示與表示與現(xiàn)在事實(shí)現(xiàn)在事實(shí)

8、情情 況相反況相反(present) 表示與表示與過去事實(shí)過去事實(shí)情情 況相反況相反(past)(past) 表示與表示與將來事實(shí)將來事實(shí)情情 況相反況相反(future)(future) 過去式過去式(did/were) (be常用常用 were) 過去式過去式(did)/(were) should + do were to do 過去完成式過去完成式 (had +done) would/could / might/should + do would/could/ might/should +have done would/could/ might/should + do 虛擬語(yǔ)氣在條件從句

9、中虛擬語(yǔ)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. 1) 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(yǔ)氣的倒裝條件句中虛擬語(yǔ)氣的倒裝 2 ) If you ha

10、d 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. 注意注意: 如果省略的條件句中的謂語(yǔ)如果省略的條件句中的謂語(yǔ) 動(dòng)詞是否定形式時(shí)動(dòng)詞是否定形式時(shí),不能用動(dòng)詞的不能用動(dòng)詞的

11、 縮略形式縮略形式. _ she _ yesterday, she would meet the famous singer today. A. 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

12、 (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 Hadnot been would have thought Wereto 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 e