高中英语人教版必修5unit1GreatscientistsGrammar教案（系列四）.docVIP

必修五 Unit 1 Great scientists Grammar 主备人： 用案人： 授课时间：____________ 总第 课时 教学目标[来源:学§ Enlarge students’ to learn something about To-infinitive and Bare infinitive[来源:学§科§网][来源:学科网] Let them know the functions of To-infinitive and Bare infinitive 重点 Try to use To-infinitive and Bare infinitive 难点 How to make them to use To-infinitive and Bare infinitive correctly 教法及教具 Talking , Practising 教 学 过 程 教 学 内 容 个案调整 教师主导活动 学生主体 活动 Step 1 Introduction 动词不定式的形式： 1.一般式：表示的动作通常与主要的谓语动作同时或几乎同时发生，或是在它之后发生. （not）to do（主动） to be done（被动） e.g.: I am glad to see you. The house needs to be cleaned. 2.进行式：表示谓语的动作或情况发生时，不定式表示的动作正在进行. to be doing（主动） e.g.: He pretended to be reading when I came in. 3.完成式：表示不定式的动作发生在谓语动作之前或表动作发生在过去并且已完成。 to have done （主动） to have been done（被动） e.g.: I’m sorry to have lost your key. It has been an honor for me to have been invited to your country. 4.完成进行式：表示不定式的动作在谓语动作之前发生并一直进行着. to have been doing（主动） e.g.: He was said to have been living in London for 20 years. 主动式 被动式 一般式 to do to be done 进行式 to be doing 无 完成式 to have done to have been done 完成进行式 to have been doing 无 不定式的常见结构: 1.用作独立成分. 有一些不定式短语可以用作状语修饰整个句子，也可被称为插入语. e.g.: To be honest, we are not sure to work out the problem. To be frank, I don’t agree with you. to tell you truth说老实话 to begin with首先 to say nothing of姑且不说 to be sure诚然，固然 to make a long story short长话短说 to be brief简言之 to conclude总而言之 2.疑问词+不定式结构 疑问词who, what, which, when, where, how, why 后加动词不定式构成不定式短语，它在句中作主语、宾语和表语. e.g.: How to solve the problem is very important.[来源:学+科+He didn’t know what to say. My question is when to start. 3.不定式的复合结构，即It is+形容词+for/of sb.+不定式 在“It is+形容词+of sb.+不定式”的结构中，形容词往往表示人物的性格和特征，如：kind, silly, good, clever, wrong, right, foolish, careless, impolite, honest, bad等. e.g.: It is kind of you to think so much of me. It is foolish of you to say that. 在“It is+形容词+for sb.+不定式”的结构中，形容词往往表示事物的性质,如:important, possible, impossible, necess