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1、 2020年精編外研版英語資料 M6 U3 Grammar Unreal conditionals Teaching aims: The Ss are expected to use unreal conditionals of the present, past or future time; Procedures: Step 1: Lead-in: 1. Translate the following sentences on the blackboard. 如果我是一只小鳥，我就能飛了。 If I were a

2、 bird, I could fly. 2. Find out the unreal conditional sentences mentioned in the reading part. ①.If you had joined the chat room ten minutes ago, you would have known what we were talking about. ②.If I got married in the UK, I would expect a present. ③.If I got married in Italy, I would have to

3、 give a present. ④.Should you come to Brunei, you would have to take off your shoes before going into someone’s house. Step 2: Presentation: Unreal conditionals can be used in three different tenses: 1. to state a present condition or situation that is not real or is imaginary. If … were/did

4、…, … would/could/might do … Practice: 1) 假如我有更多的時間，我就學(xué)習(xí)漢語了。 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 _______ not so busy, she __________ the meeting this afternoon. 2. to use unreal conditionals to refer to an imaginary past action. If … had been/done …, … wou

5、ld/could/might have done … Practice: 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。 If you__________ him yesterday, he __________ some suggestions. 3. to use unreal future conditionals to talk about imaginary future situations. If … was/were/did

6、/should/were to …, … would/should/might do. · Practice: 1) 假如我要出國，我就會去中國。 If I __________ abroad, I __________ to China. 2) 萬一明天下雨，我們的運動會就推遲。 If it __________ tomorrow, our sports meeting __________. 三種用法的總結(jié)： 表示與事實情況相反 條件從句的謂語形式 主句的謂語形式 表示與現(xiàn)在事實情況 相反(present) 過去式(did/were) (be常用 were)

7、 would/could/might/should+do 表示與過去事實情況 相反(past) 過去完成式 (had +done) would/could/might/should +have done 表示與將來事實情況 相反(future) ①過去式(did)/(were) ②should + do ③were to do would/could/might/should+do 4. We can also put should, were and had at the be

8、ginning of an unreal conditional sentence. In this case, if is not needed any more. E.g. 1). If you should make a mistake, you should not be embarrassed. →_____________________, you should not be embarrassed. 2). If you had told me earlier, I would not have this problem now. →___________________

9、__ me earlier, I would not have this problem now. 3). If you were to take the train, you would be there much sooner. →_____________________ the train, you would be there much sooner. Step 3. Practice 1. Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didn’t

10、 let me drive. If we ______ (drive) in turn, you ______ (not get) so tired. 2. __________ it ________ (not be) for your help, I couldn’t have made any progress. 3. ——Has Mr. Smith recovered now? ——Yes. Who ____________ (think) that such a serious illness could be cured? 4. ____________ it ______

11、_______ (rain) tomorrow, the match would be called off. 5. Most of the students felt rather disappointed at the English party. They said that it ___________ (organize) better. 6. Jean doesn’t want to work right away because she thinks that if __________ (get) a job, she probably wouldn’t be able t

12、o 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. 2. Choose the right answer. 1). Everything if Albert hadn’t called the fire brigade. A. wil

13、l be destroyed B. will have been destroyed C. would be 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 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 Feedback: