江苏省沭阳县潼阳中学高中英语选修六教案：UNIT4 8 .doc

1、 教学案科目: 英语 主备人： 备课日期： 课 题M6 Unit 4 Grammar and usage第 8 课时计划上课日期：教学目标1. Have students know the different kind forms of unreal conditions;2. Have students grasp the usage of unreal conditions.教学重难点Have students use what they have learned to do exercises correctly.教学流程内容板书关键点拨加工润色Step1: Greetings.Step

2、2: 虚拟语气表示说话人的主观愿望、猜测建议或与事实不符的假设。虚拟语气可分为三种：（1）一般虚拟 （2）混合虚拟 （3）特殊句式 Step3: The explanations of the usage of unreal conditions一一般虚拟的构成：(省略if, 要将should/were/had 提到句首) (1). 对现在的虚拟：If +S.+ did/were sth., S.+ would/could/should +do If I had time, I would attend the meeting. If I were you, I would seize the

3、 chance to go abroad. (2) 对过去的虚拟：If +S.+had + p.p, S.+ would/could/should have + p.p If you had taken my advice, you would not have failed in the exam. (3) 对将来的虚拟： If + S. + did/were/should do/were to do, S + would/should/could do sth. If you came tomorrow, we would have the meeting. If it were to r

4、ain tomorrow, the sports meeting would be put off. If he should not come tomorrow, we should put off the meeting till next day. 注意：Had we made good preparations, we might have succeeded. Had it not rained, we would have gone out for a walk. Were I you, I would not do such a thing. 二 混合虚拟： （1） 不同时间的虚

5、拟：If he had listened to me, he would not be in trouble now. If he had told me yesterday, I should know what to do now. (2) 虚拟与陈述的混合： He could have passed the exam, but he wasnt careful enough. You should have come earlier, the bus left a moment ago. 三 特殊句式： (1).suggest, advise, recommend, propose, o

6、rder, command, request, require, demand + that clause (should do/do ) He suggested that we (should) save money for the future.(insist的判断) (2) It is suggested/advised/ordered/requested/required that clause(should do/do)(主语从句) (3) My advice/suggestion/request/requirement is that-clause (should do /do)

7、 （表语从句） His suggestion/advice/request/requirement that clause(should do/do ) is. （同位语从句） (4) It is natural/necessary/strange that-clause (should do/do)表惊奇、怀疑、惋惜、不满、理应如此等。 Its strange that he should have missed the train. （表竟然） It is important that we should learn from others.（表理应如此） It is a pity tha

8、t he should not go with us.(表惊讶、不满) （5）wish + that clause (did/were 与现在相反) wish + that clause (would/could/might + do与将来相反) wish + that clause ( had done 与过去相反) I wish I could go with them tomorrow. I wish I had never met him. (6) It is (high/about) time + clause (did, should do ) It is (high/about)

9、 time we went home. (7) would rather + clause (did 与现在或将来相反)；（had done 与过去相反） I would rather you came tomorrow. I would rather you hadnt told her the news. (8) If only + clause ( did/were与现在相反) (would/could/might + do与将来相反) ( had done 与过去相反) “要是。就好了“ If only he would come tomorrow! If only I had tak

10、en her advice! If only I were ten years younger! (9) as if + clause (did/were 与现在相反) (would/could/might + do与将来相反) ( had done 与过去相反) She treats Kate as if she were her own daughter. They talked as if they had been friends for years. (10) would like/was/were to have done something I would like to hav

11、e attended the party, but one of my friends came to see me. (11) without/but for + n.= if it were not for +n./if it hadnt been for + n. (otherwise后从句同) I would not have passed the exam without your help.(=if it hadnt been for your help) Step 4: Homework1. Review the usage of the unreal comditions.2. Do some more exercises.教学心得