2020年江蘇省徐州市高中英語(yǔ)選修六M6 U3 Grammar學(xué)案

2020年精編外研版英語(yǔ)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(niǎo)，我就能飛了。 If I were a bird, I could fly.2. Find out the unreal conditional sentences mentioned in the reading part.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.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 , would/could/might do Practice: 1) 假如我有更多的時(shí)間，我就學(xué)習(xí)漢語(yǔ)了。If I had more time，I would study Chinese.2) 要不是她這么忙，她就會(huì)出席今天下午的會(huì)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 , would/could/might have done Practice: 1) 如果他抓緊時(shí)間，他本來(lái)能趕上那趟火車(chē)。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。If you_ him yesterday, he _ some suggestions.3. to use unreal future conditionals to talk about imaginary future situations.If was/were/did/should/were to , would/should/might do.· Practice: 1) 假如我要出國(guó)，我就會(huì)去中國(guó)。If I _ abroad, I _ to China.2) 萬(wàn)一明天下雨，我們的運(yùn)動(dòng)會(huì)就推遲。If it _ tomorrow, our sports meeting _.三種用法的總結(jié)：表示與事實(shí)情況相反條件從句的謂語(yǔ)形式主句的謂語(yǔ)形式表示與現(xiàn)在事實(shí)情況相反(present)過(guò)去式(did/were)(be常用 were)would/could/might/should+do表示與過(guò)去事實(shí)情況相反(past)過(guò)去完成式(had +done) would/could/might/should +have done表示與將來(lái)事實(shí)情況相反(future)過(guò)去式(did)/(were)should + do were to dowould/could/might/should+do4. 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.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._ 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. Practice1. 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.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.2. Choose the right answer.1). 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 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 succeed3). 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 fartherFeedback: