Unit 4 grammar 教学设计.doc

Unit 4 grammar 教学设计Teaching aims: (1) Master the usage of unreal conditionals.(2) Practice about the 3 kinds of unreal conditionals.Important points & difficult points: the usage of wish, if-clause and the unreal conditionals in the noun clauses.Procedure:Step 1 revisionUnreal conditions与事实相反条件从句的谓语形式主句的谓语形式 表示现在情况过去式(did)(be常用 were)Would / could / might / should +动词原形(do)1.如果现在不下雨的话，我们就出去野餐了。 If it_ not raining, we _ for a picnic. 2.如果他来这，他就能够帮助你了。If he _ here, he _ able to help you. 3.如果我是你的话，我就会带走他们。If I _ you, I_ them away. 与事实相反条件从句的谓语形式 主句的谓语形式表示过去情况过去完成式(had +doneWould / could / might / should + have done1.要是当初她被邀请的话，她就会参加这次聚会了。She _ to the party if she _. 2.今天早上，她要是不叫我的话，我就会睡过头了。If she _ me, I _ this morning. 3.如果你上个学期用功些，你就会在考试中过关了。If you _ harder last term, you _ exam.与事实相反条件从句的谓语形式主句的谓语形式表示将来情况过去式 (did)should + do were to doWould / could / might / should +动词原形(do)1.如果你成功，一切就好了。If you _, everything would be all right.If you _, everything would be all right.If you _, everything would be all right.2.明年我要是二十岁，我就会学计算机课程。If I _ twenty years old next year, I _ the course of computer science. Step 2 Complete the following1.如果你昨天问他，你现在就知道怎么办。If you _ him yesterday, you _ what to do now.2.如果昨晚下雨，今天会很冷。 If it _ last night, it _ very cold today. 3.如果我是你，我就不会错过昨天晚上的那部电影。If I _ you, I _ the film last nightIn implied conditionals, we use otherwise, or, and phrases beginning with with, without and but for in place of if-clauses. 1.我很忙，否则我可帮助你。I am busy now, otherwise I _ you the favor2.要不是你的劝告，我是不会做这份工作的。 But for your advice, I _ able to do this work3. 要不是你，我不会认识他 Without you, I _ him.We can put should, were, and had at the beginning of an unreal conditional sentence. In this case ,if is not needed any more.Subjunctive Mood in Noun Clause 后的宾语从句中谓语动词用should +动词原形。should 可省略1.I suggested that it _ quicker to travel by train. (be)2.He insisted that we _ him the news. (tell)3.He ordered that the students _ the clothes every week by themselves. (wash)4.She recommended that we _ giving offense. (avoid)5.He insisted that all of us _ there on time by any means. (be) 6.The teacher suggested that we _ the blackboard after class. (clean)7. I demand that John _ there at once. (go)8. We are all for your proposal that the discussion _ put off(be)Unreal situations introduced by even if, as if, as though, if only, what if1. He pretends as if he _ the thing at all, but in fact he knows it very well.他假装好象完全不懂那事，其实他对那事非常了解。2. The old man looked at the picture， he felt as though he _ back to time 20 years ago.那老人看着照片，他觉得仿佛回到20年前的时光。 3. They talked and talked as if they _ again.他们谈了又谈，仿佛他们不会再相见的样子。4.He orders me about as if I _ his wife他对我指东指西的，就好像我是他的妻子似的。5.He talks about Rome as though he _ there himself他谈论起罗马来就好像他去过那里似的。6.He behaves as if he _ the place他的所作所为好像他是这个地方的主人。Step3 consoli