Unit1Scienceandscientists表语从句语法教案人教版高中英语选择性必修第二册.docx
Unit1SCIENCE AND SCIENTISTSPredicative Clause科目:英语 课题:Learning about Language 课时:2课时教学目标与核心素养:1. To learn the structure of predicative clause.2. To know how to judge the predicative clause.3. To master the conjunctions of predicative clause.教学重难点教学重点:让学生更好地理解并掌握表语从句的用法以及注意事项。教学难点:如何帮助学生掌握表语从句及连词的使用。Teaching methods Task-based Teaching Method.Cooperative learning.课前准备:多媒体,黑板,粉笔教学过程:Step1. Lead-in1. Greeting2.DiscoveryThe truth was that the water from the Broad Street pump had been infected by waste. 活动目的:导入新课。Step2.Presentation1. The definition of predicative clause.The question is difficult.表语The question is who will do it.表语从句定义:在复合句中充当表语的从句叫表语从句。位于主句的系动词之后,对主语进行解释、说明,使主语的内容具体化。表语从句必须用陈述语序。二The structure of predicative clause.主语 + 系动词 + 引导词 + 简单句This is why he did it.e.g.What I want to say is that I am tired.3.Read and observe the predicative clause. Read PC aloud.What I want to say is that I am tired.He was sent to the hospital. Thats because he was ill. It sounds as if somebody was knocking at the door.The reason why he was late was that he missed the train this morning. 系动词的分类总结:系动词后的成分为表语。系动词后的从句为表语从句。1.感官类系动词(sound,look,taste,smell,feel)2.变化类系动词(get,fall,grow,turn,go,become)3.状态系动词 保持类系动词(keep,remain,stay)似乎类系动词( seem, appear )证明类系动词(prove, turn out)Be动词(am, is, are, was, were),意为“是”3 表语从句的引导词Circle the conjuction of each predicative clause and underline the linking verbs.Summary:连词:that,whether,as,as if/though,because 连接代词:who,what,which,whom,whose.+ever连接副词:when,where,how,why,.+ever即学即练This is _I want.My English is limited. This is _I hate reading English books. The village is _ I used to spend my holiday.He is my favorite singer. It is _ I really love the way he behaves.The trouble is _ we are short of funds.My problem is _ coat is suitable for me.I d like to start my own businessthats _ I want to do if I had the money.What I want to know is _will support me.Step 3.Attention1. 表语从句和其他从句一样都用陈述语序:连词+主语+谓语(连主谓)。2. e.g. One advantage of playing the guitar is that it can give you a great deal of pleasure.3. 表语从句的引导词没有if !4. 只用whether ,不用if的情况5. whether to do6. whetheror not7. 介词后的宾语从句。(介词后不用if)8. 从句:句首的主语从句,宾语从句,同位语从句。(if不能位于句首)9. : 表语从句的虚拟语气:在表示“一坚持(insist)二命令(order, command)三建议(advise, suggest, propose) 四要求(ask, require, request, demand)”的名词 advice, suggestion, request, proposal,idea 等后面的表语从句中,谓语动词用“should + 动词原形”,should可省略10. as if/as though 引导的表语从句常跟在look, seem, sound, feel等后面语气: 若表示真实情况,用陈述语气。 若表示非真实情况,用虚拟语气。 若跟现在事实不符:过去式(be动词用were) 若跟过去事实不符:had done 若跟将来事实不符:would/could+动词原形e.g. The little boy talks as if he knew everything in the world.He felt as if he had met this young lady for a long somewhere.即学即练My suggestion is that we _ (go) to hospital at once.When a pencil is partly in a glass of water, it looks as if it _(be) broken.My proposal/idea is that we _(get) more people to attend the conference.The little girl talked as if she _(be) a grown-up.She looks as if she _(be) ten years younger.11.I do so many things for you. It is because I love you.I am late this morning. That is because I left my bag on the subway. Your speech is excellent. This is because you prepared it a lot.The reason why he was late was that he missed the early bus. The reason was that you dont trust her. He was ill. Thats why he was sent to the hospital. 即学即练He is careless and irresponsible. That was _ he was fired.He was fired. That was _ he is careless and irresponsible.The reason _ he was fired was _ he was careless and irresponsible.Step 4 Summary1. 表语从句的结构:主语 + 系动词 + 引导词 + 简单2.词:that,whether,as,as if/though,because 连接代词:who,what,which,whom,whose.+ever连接副词:when,where,how,why,.+ever2. 注意点:语序:连主谓that引导表语从句时不能省略。if 不引导表语从句表语从句的虚拟语气浙江·月卷1. The truth is _ we are lucky enough to have clean water whenever we want, but this is not the case for many people around the world.2. What puzzles Lilys friends is _who always has so many crazy ideas. Homework完成优化指导相应的语法习题。