高中英语 Unit2 Robots Grammar导学案（无答案）新人教版选修7.doc

第 4 课时课题名称unit 2 robots时间第 周 星期课型主备课人目标1. knowledge aims: learn and grasp the rules of the passive infinitive 2.ability aims: to master the usage of the passive infinitive重点.to master the rules of the passive infinitive我的问题难点learn and master some special pattern followed the passive infinitive自主学习任务1：在课文中找出含有to be done的句子, 并分析它们的句法功能.1 2 3 4 任务2：复习不同时态的被动语态：_精讲互动a) 1） 定义：当动词不定式的逻辑主语是动词不定式所表示的动作的执行者时用主动语态；当动词不定式的逻辑主语是动词不定式所表达的动作的承受者时用被动语态。进行式和完成进行式没有被动语态。2） 时态与语态不定式主动式被动式否定式一般式进行式完成式 /完成进行式 /b) 不定式被动形式的用法1作_it is an honour for me to be asked to speak here.2作_ she asked to be sent to work in xinjiang.3作_ he wanted the letter to be typed at once.4作_the books are not allowed to be taken out of the room.5作_ are you going to the meeting to be held in the teachers office?6作_ she was too young to be assigned such work.二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者宾语补足语 、主语补足语等，如：it is a good thing for him to have been criticized.（_）she preferred to have been given heavier work to do. (_）he thought it an honour to have been invited to the party. （_）the book is said to have been translated into many languages. （_）she was the first woman to have been elected to such a post. （_） 三、不定式的主动形式表示被动1在“npron + be + adj + to do”结构中。常用的形容词有easy，difficult，hard，impossible，nice，pleasant，light，heavy，interesting，important，expensive，cheap,fit,dangerous等。例如：he is hard to convince. he is an impossible person to work with2.在“tooto do; enoughto”结构中。如：the problem is too difficult to work out the house is big enough to live in.3在“with+n+to do”结构中。 例如：with nothing to do，he lay in bed with so many exercises to do，i cant go to the cinema4当不定式的逻辑主语在句中出现时。 例如：i have a letter to type today do you have anything to say? 5当不定式隐含在for sb to do结构中时。例如：this is the best book to read (=for usyou to read)6一些作表语用的不定式的主动形式。 常见的这类动词有let(出租)，rent，hire，blame等。 例如：the house is to let i felt l was to blame.达标训练3. little tom should love_ to the theater this evening. a. to be taken b. to take c. being taken d. taking4. with a lot of problems_, the newly-elected president is having a hard time. a. settled b. settling c. to settle d. being settled5. the purpose of new technologies is to make life easier _ it more difficult. a. not make b. not to make c. not making d. do not make 6. i hurried to the meeting hall, only_ that the meeting had been put off. a. to tell b. to be told c.