外研社选修6module5CloningGrammar学案.doc

太原十六中高二英语新授课教学案课题：Module5 Cloning（Grammar+Function+Everyday English） 编号：14 课时： 时间： 主备： 班级： 使用人： 【教学目标】1.Subjunctive(1)(条件句子中的虚拟语气)； 2.I wish【重点难点】1.虚拟语气中主从句动词时态的选择； 2.I wish后宾语从句中时态的选择；【教学方法】观察法，归纳法，【教学流程】StepI 自主探究(Read the sentences below, then fill in the blanks. )1. If I were you, I would ask the teacher for help.(我不可能变成你， 表示与现在事实相反的假设。)2. If that happened, it would be terrible. (实际并未发生， 表示与现在事实相反的假设)3. If he had time, he could go with you. (实际上他很可能没时间， 不可能和你一起去。表示与现在事实相反的假设)与现在事实相反时从句动词主句动词1. If I had seen the film, I would have told you about it.(事实上当时没看，结果不能告诉你电影的情况。 表示与过去事实相反的假设。)2. If I had got there earlier, I would have met Mr, Li.(事实上我没早到， 结果没见到李先生。表示与过去事实相反的假设)与过去事实相反时从句动词主句动词1. If it rained tomorrow, I would not go there.(说话人认为明天下雨的可能性很小， 表示将来不大可能实现的事)2. If he were to come here, he would tell us about it.(说话人认为他来的可能性很小，表示将来不大可能发生的事。)3. If it should rain in a few days, the crops could be saved.(说话人认为这几天不可能下雨.)表示将来不大可能实现的事时从句动词主句动词注意：从句的If有时可省略，那么从句中的动词（were, had, should）就得移到主语前面：1. 原句：If she were younger, she would do it.去If: Were she younger, she would do it.2. 原句：If he had tried it, he could have done it.去If: Had he tried it, he could have done it.(把had移到主语he的前面)StepII：随堂练习1. Textbook-Exercise3 and4(Page62). Exercise3 and 4(Page115)2. 检测题教学随想1) You didnt let me drive. If we_ in turn, you_ so tired.A drove; didnt get B drove; wouldnt get C were driving; wouldnt get D had driven; wouldnt have got 2) I was ill that day, otherwise I _ the sports meet. A wouldnt have taken part in B took part inC had taken part in D would take part in3) He _ busy yesterday, or he_ you with your experiment.A was; had helped B was; would have helpedC had been; would have helped D were; would have helped4) Without electricity, human life_ quite difficult today.A is B will be C would have been D would be5)Mary failed the driving test again. If she_ harder, she_ the test easily.A practiced; would pass B had practiced; would pass C had practiced; would have passed D should practice; should have passed6)I would have come to see you earlier, but I _ too busy.A had been B were C was D would be7)-The accident might not have happened had been more careful. -But we _ at that time. A dont B didnt C hadnt D werent8) I didnt see your sister at the meeting. If she _, she would have met my brother. A has come B did come C come D had come9) If it_ for the snow, we_ the mountain yesterday. A were not; could have climb; B were not; could climb C had not been; could have climbed D hadnt been; could climb3. 改错1) If the weather was nice yesterday, we would have gone to the zoo.2) He were you, he would go home at once.3) I should have come here early, but I had been busy.StepIII 自主探究(Translate the following sentences. Then find out which sentences talk about present situations and which sentences talk about past situations. )e.g. I wish I knew him.(我要是认识他就好了)（事实是：现在不认识他）1. I wish I were not here.( ) ( )2. I wish I were dead.( ) ( )3.I am poor in English. I wish I learnt English well.( )( )4.Im not good at Science. I wish I was better at science. ( )( )5.I didnt get very good grades for my exams last year. I wish I had worked harder. ( )( )6.I wish I had not created this creature.( )( )7 I wish I had not done this terrible thing.( )( )8.I wish you could go with us tomorrow.( )( )9. I wish you would not smoke any more.( )( )教学随想观察：wish之后的宾语从句中， 如果表示目前不可能实现的愿望， 谓语动词用_如果表示过去不可能实现的愿望，谓语动词用_.如果表示将来不可能实现的愿望， 谓语动词用_.StepIV随堂练习1. Textbook-Exercise（1.3.4.5）（Page115）2. 检测题1）I wish I _(be) not so busy now. 2) I wish I _(know) what is happening in his roo. 3)- The drunk driver wishes he_ so many injuries in the accident.-But he_.A hadnt caused; had B didnt cause; did C hadnt caused; did D hasnt caused; has4)Robert wishes that he_ business instead of history when he was in university.A studies B studied C has studied D had studied 5)I often played games then. How I wish I _ the time on my study! A spent B were spending C had spent D could spend 6) Sometimes I wish I _ in a different time and a different place. A be living B were living C am living D would have lived 7) He didnt go to the party, but he does wish he_ there. A had been B has been