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1、牛津高中英语牛津高中英语 (模块六 高二上学期) Advance with EnglishAdvance with English Grammar and usage UnitUnit 3 3 Unreal conditionals Unit 3 Unit 3 课件描述： 本课件通过文字、表格和图画对 虚拟语气规则的讲解，使得复杂的 语法通俗明了，浅显易懂；还配上 相应的练习加以巩固。 1. 一般条件句中虚拟语气的用法。 2. 一般条件句中虚拟语气的倒装。 3. 其他一些基本用法。 一般条件句中虚拟语气的用法 Find out the sentences of unreal condition
2、al 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
3、 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. 一般条件句中虚拟语气的用法 unreal present conditionals: If were/did , would do 1. 假如我有更多的时间，我就会学习汉语。 If I had more time, I would s
4、tudy Chinese. 2. 要不是她这么忙,她就会出席今天下午的会议 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 En
5、glish 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 If the man had pointedhad pointed with
6、his first with his first finger while he was in Brunei, finger while he was in Brunei, everyone everyone would have thoughtwould have thought that he that he was very rude.was very rude. unreal past conditionals : If had been/done , would/could/might have done 1) 如果他抓紧时间，他本来能赶上那趟火车。 If he had hurrie
7、d, he could have caught the train. 2) 如果你昨天告诉他，他也许会提些建议了。 If you had told him yesterday, he might have made some suggestions. 3. unreal future conditionals. 1) If I 1) If I had had time tomorrow, I time tomorrow, I wouldwould certainly help you.certainly help you. 2) If I 2) If I were towere to fail
8、 my English test, I fail my English test, I would would have to take it again at the end of the have to take it again at the end of the term.term. 3) If he 3) If he shouldshould come tomorrow, I come tomorrow, I wouldwould talk to him about it.talk to him about it. E.g. 3. unreal future conditionals
9、 : If were/did/should/were to , would/should/might do E.g. 1) 假如我要出国，我就会去中国。 If I If I were towere to go abroad, I go abroad, I would gowould go to China. to China. 2) 万一明天下雨，我们的运动会就推迟。 If it If it should rainshould rain tomorrow, our sports tomorrow, our sports meeting meeting wouldwould be putbe p
10、ut off. off. 表示与事实实情况相 反 条件从句的谓语谓语 形式主句的谓语谓语 形式 表示与现在事实情 况相反(present) 表示与过去事实情 况相反(past) 表示与将来事实情 况相反(future) 过去式(did/were) (be常用 were) 过去式 (did)/(were) should + do were to do 过去完成式 (had +done) would/could / might/should + do would/could/ might/should +have done would/could/ might/should + do 虚拟语气在条
11、件从句中 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. 条件句中虚拟语气的倒装 2 ) If you had told me earlier,
12、 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: 如果省略的条件句中的谓语 动词是否定形式时,不能用动词的缩 略形式. 我们可以说我们可以说: Were it not for the : Were
13、it not for the expense, I would go abroad now. expense, I would go abroad now. 但不但不 说说: Werent it for : Werent it for _ she _ yesterday, she would meet the famous singer today. A. Hadnt; left B. Had; not left B.C. If; didnt leave D. Didnt; leave TIPS B. Had; not left Practice Fill in the blanks with
14、 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 _(ra
15、in) 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 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
