2019-2020学年人教版英语选修六课件：Unit 1 Period Four

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1、,PART 1,语法导学,PART 2,达标检测,Period Four GrammarSubjunctive Mood (1),PART1,语法导学,感悟规律 重点难点剖析,感知以下课文原句，补全方框下的小题,语法感知,1.在虚拟条件句中，谓语动词用 (be动词常用 )表示与现在事实相反的情况，主句谓语则用“would/should/could/might动词原形”表示。(如句1、2、4和5) 2.在虚拟条件句中，谓语动词一般用 表示与过去事实可能不符的情况，主句则用“would/should/could/mighthave过去分词”表示。(如句3),查看答案,一般过去时,were,过去完成

2、时,虚拟语气是英语考查的重点之一。虚拟语气用来表示说话人所说的话并不是事实，而是一种假设、愿望、怀疑或推测。其使用情况如下： 一、虚拟语气在if条件从句中的用法,语法精析,注意： 1.虚拟条件句中有had，should，were时，可将if去掉，把had，should，were提到主语之前，即倒装结构，如： Were they here now，they could help us. 如果现在他们在这里，他们就能帮助我们。 Had I worked harder at school，Id have got a better job. 如果我在学校学习更努力的话，就会找到一份更好的工作。 Sho

3、uld he agree to go there，we would send him there. 要是他答应去的话，我们就派他去。,2.有时条件从句表示的动作和主句表示的动作发生的时间不一致，这类句子称为错综时间条件句。此时主、从句动词的形式应根据各自所表示的时间进行调整。 If he had taken my advice then，he wouldnt be in trouble now. 如果那时他听取了我的建议，现在他就不会有麻烦了。 If she were to leave，I would have heard about it. 如果她要走，我会听说的。 3.某些介词或介词短语，

4、如but for，without，副词或连词，如otherwise，however，or，but等也可以表达一个暗含的虚拟的条件，这种情况下要仔细阅读上下文的语境。,二、使用虚拟语气的其他情况 1.(1)在wish后的宾语从句，表示现在的愿望，谓语常用过去时。 I wish I knew his address. 我要是知道他的地址就好了。 I wish I were young.我要是年轻就好了。 I wish I could swim.我要是会游泳就好了。 (2)表示过去不能实现的愿望，并对此感到遗憾或后悔，谓语用过去完成时。 I wish you had written to him.我

5、希望你写信给他了。,(3)表示将来的愿望，谓语用would/could/might动词原形，实现的可能性较低，接近一种客气的请求。 I wish you wouldnt smoke any more. 我希望你不再抽烟了。 I wish he could come tomorrow.我希望他明天能来。 2.(1)if only后的从句中，表示现在的愿望，谓语常用过去时。 If only mother were here now! 现在要是妈妈在这里就好了！ (2)表示过去不能实现的愿望，并对此感到遗憾或后悔，谓语用过去完成时。 I have failed in the exam.If only

6、 I had followed your advice！ 我考试没及格。要是我听了你的建议就好了！,(3)表示将来的愿望，谓语用would/could/might动词原形。 If only it would stop raining！要是雨能停就好了！ 3.在would rather后的宾语从句中，谓语常用一般过去时表示现在或将来的情况；用过去完成时表示过去的情况。 I would rather I hadnt been to such a place. 我宁愿我没有去过那样一个地方。 4.在“It is (about/high) time(that).”结构中，that从句的谓语用过去式，有

7、时也可用“should动词原形”形式，should不能省略。 It is high time that we fought/should fight against the haze.是我们该同雾霾开战的时候了。,.单句语法填空 1.If we (catch) the flight yesterday，we would be enjoying our holiday on the beach now.(2018天津) 2.There is a good social life in the village，and I wish I (have) a second chance to becom

8、e more involved.(2018江苏) 3.If the new safety system (put) to use，the accident would never have happened.(2017北京),高考链接,had caught,查看答案,had,had been put,4.Do you have Bettys phone number? Yes.Otherwise，I (not，be) able to reach her yesterday. (2017天津) 5. (be) it not for the support of the teachers，the

9、student could not overcome her difficulty.(2017江苏) 6.Why didnt you tell me about your trouble last week? If you (tell) me，I could have helped.(2016北京) 7.If it (not，be) for his invitation the other day，I should not be here now.(2016江苏),Were,查看答案,had told,had not been,wouldnt have been,8.I was wearing

10、 a seatbelt.If I hadnt been wearing one，I _(injure).(2016天津) 9.Without his wartime experiences，Hemingway (not，write) his famous novel A Farewell to Arms.(2015重庆) 10.I wish I (be) at my sisters wedding last Tuesday，but I was on a business trip in New York then.(2015天津),would have been,查看答案,injured,ha

11、d been,wouldnt have written,.单句改错(仅有1处错误) If you are me，would you talk to them？(2015四川，短文改错),查看答案,were,PART2,达标检测,当堂检测 基础达标演练,1.If there (be) any change about the date，I would inform you in time. 2.Had the weather been good，the twins (go) out for a walk. 3.My best friend is in trouble.If only I (hav

12、e) enough money to help her! 4.How I wish I (see) her at the station，but I was too busy. 5.We arrived there on time.Otherwise we (miss) the early bus.,.单句语法填空,查看答案,should be/were,would have gone,had,had seen,would have missed,6.If only I havent played computer games last night! 7.If it rain this aft

13、ernoon，the football match would be put off. 或If it rain this afternoon，the football match would be put off. 8.If I was a big boss，I would help the poor children in the world. 9.I would rather I havent accepted his offer that day. 10.He wishes his son will become a famous doctor someday.,.单句改错(每小题仅有1

14、处错误),查看答案,hadnt, should,rained,were,hadnt,would,11.If only I _！ 要是我能发明一个强大的机器人就好了！ 12.I wish I in a spaceship one day. 我希望有一天我能乘坐宇宙飞船登上月球。 13.If he last night，he would have grasped the chance. 如果他昨晚没有迟到，他就会抓住这次机会了。 14.Without exams，we now. 要是没有考试，现在我们会过着一种轻松很多的生活。 15.He would rather he that day. 他宁愿那天没有对儿子大喊大叫。,.完成句子,could invent a powerful robot,could/would go to the moon,hadnt been late,hadnt shouted at his son,would live a much easier life,查看答案,