lesson11achangeforfun2.doc

江苏省技工院校教 案 首 页授课日期班级课题： Lesson 11 A Change for Fun 教学目的要求： 学生需要掌握：1、形式主语it的用法；2、情态动词might、may、could、and must的区别和用法；3、疑问词+to-不定式 教学重点： 疑问词+to-不定式 教学难点： 情态动词might、may、could、and must的区别和用法 授课方法： 讲解分析法 练习法 教学参考及教具（含多媒体教学设备）： 全国中等职业技术学校通用教材 英语第一册 第二版 全国中等职业技术学校通用教材 英语第一册 第二版 习题册 授课执行情况及分析： 通过讲解及举例应用分析，让学生了解本课的重点语法知识，并通过做习题学会灵活运用。板书设计或授课提纲 Lesson 11 A Change for Fun 一、 导入课文Review the text A and the phrases，and write from memory the words.二、 讲授新课1、朗读并了解关于学习问题的简单英文对话 2、形式主语it的用法； 3、情态动词might、may、could、and must的区别和用法； 4、疑问词+to-不定式三、巩固新课 学会运用形式主语it；情态动词might、may、could、and must；疑问词+to-不定式四、小结五、作业： 完成书p108及练习册lesson 11 的练习Lesson 11 A Change for Fun（二）一、导入课文Review the text A and the phrases，and write from memory the words.二、讲授新课1、朗读并了解关于学习问题的简单英文对话 2、形式主语it的用法；动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：（1） It + be +形容词+主语从句，如：It is uncertain whether he can come to Jennys birthday party or not.（2） It + be +名词词组+主语从句，这类名词有：a fact, a pity, a shame, an honour，aquestion等，如：Its a pity that you missed the exciting football match.（3） It+be+过去分词+主语从句，这类过去分词有：announced, believed, expected,hoped, decided, reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.（4）It +不及物动词(seem, appear, happen等) +主语从句，这类不及物动词有：appear， happen, seem等，如：It seemed that he didnt tell the truth.It happened that I was out when he called.（5） It + be +形容词+（ for sb.）+动词不定式这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：Its necessary for the young to master two foreign language. It is unwise to give the children whatever they want.这类形容词有：easy, difficult, hard, important, possible，wise（6）It + be +形容词+ of sb. +动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。某人和这些形容词可以构成主系表结构。如：Its very kind of you to help me with the work.=You are kind to help me.It seemed selfish of him not to share his dictionary with others.=He seemed selfish not to share his dictionary with others.（7）It + be +名词词组+动词不定式，如：It is not a good habit to stay up too late.（8）It + be +名词或形容词+动名词，这类名词和形容词常常是：good, no good, no use,a waste of, useless, senseless等，如：Its a waste of time talking to her any more.（9）It + take ( sb. )+时间（金钱）+动词不定式，如：It took the workers almost three years to finish building the dam.It will take a whole day to get to the top of the mountain on foot. 3、情态动词might、may、could、and must的区别和用法；could:can 的过去式: They asked if I could drive a car 表示一种可能: I could go but Im not going to; I could do it next week if you helped me; you could take the car tomorrow if its raining; 有礼貌的用法: Could I see you tonight? Could you come over here?might: may 的过去式: I thought I might find you here. 可能: He might win if he tries hard. 会: You might help me clean the car! May:You may go home now. 可以 He may be here, I dont know. 可能 May you live a long and happy life. 祝愿must:We must go to the shops to get milk. 必须 They must be finding it very difficult to live in such a small house很可能 You must come home before midnight; All competitors must be under 15 years of age. 应当 must+be+n/adj/pron 只用于肯定句，表示对现在状态和情况的猜测must+be+doing只用于肯定句，表示对现在正在进行的动作的猜测may+be+n/pron/adj只用于肯定句，表示对现在状态和情况的猜测may+be+doing只用于肯定句，表示对现在正在进行的动作的猜测could/might+have+PP 可用于肯定句、否定句和疑问句，表示过去可能.can+be+n/pron/adj一般只用于否定句和疑问句。表示对现在状态和情况的猜测，以为不可能.或可能.吗？can+be+doing一般只用于否定句和疑问句表示对完成的事情进行猜测，意为不可能在做或可能在做.can+have+pp一般只用于否定句和疑问句。表示对完成的事情进行猜测，意为不可能已经.或可能已经. 4、疑问词+to-不定式由两部分构成：疑问词和动词不定式（wh-+to do）。疑问词部分包括疑问代词who, whom, what, which和whose以及疑问副词when, where和how。它主要具有以下几种功能：（1）作主语Where to look for him is a problem. 问题是到哪儿去找他。（2）作宾语（a）作动词的宾语I cant decide when to start. 我不能决定何时动身。（b）作介词的宾语I am thinking about how to deal with the problem. 我正在考虑怎样处理这个问题。（3）作宾语补足语He taught me how to pronounce it. 他教我如何发音。（4）作表语The main problem is whether to work in this company. 最主要的问题是是否在这家公司工作。三、巩固新课 学会运用形式主语it；情态动词might、may、could、and must；疑问词+to-不定式四、 小结 本节课所讲语法知识较多，但不难理解，课后需多多练习。五、作业： 完成书p108及练习册lesson 11 的练习