1、GrammarUnit 2 Robots231、掌握和应用动词不定式的被动语态。掌握和应用动词不定式的被动语态。2 2、活学活用，提升语法理解能力。、活学活用，提升语法理解能力。3 3、培养解决难题的能力。、培养解决难题的能力。首先通过下定义、列表格、举例子等形式让学生们充分理解和掌握动词不定式的语法规则。在此基础上让学生通过观察图片造句子，并填空，活学活用。最后精选一些习题让学生当堂完成，进行检测。本节课是非谓语动词中的不定式，不定式是高考的重点和难点，也是书面表达中常用的句型，鉴于此，本节课采用讲练结合的形式，力争把不定式这个知识点讲透。不定式语法不定式语法 不定式的时态和语态不定式的时态
2、和语态不定式有时态和语态的变化，时态不定式有时态和语态的变化，时态共四种，即共四种，即一般式、完成式、进行一般式、完成式、进行式和完成进行式式和完成进行式。语态分为主动语。语态分为主动语态和被动语态，如下表所示。态和被动语态，如下表所示。不定式被动式讲与练不定式被动式讲与练语态语态 时态时态主动语态主动语态被动语态被动语态一般式一般式 完成式完成式 进行式进行式 /完成进行式完成进行式 /to doto be doneto have doneto have been doneto be doingto have been doing不定式的被动形式有下列用法不定式的被动形式有下列用法:(1)(
3、1)作主语：作主语：It is an honour for me to be asked to speak here.(2)(2)作宾语：作宾语：She asked to be sent to work in Xinjiang.一一 .当不定式的逻辑主语是不定式所表当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般要采示的动作的承受者时，不定式一般要采用被动形式。用被动形式。(3)(3)构成复合宾语：构成复合宾语：1)He wanted the letter to be typed at once.2)She didnt like herself to be praised like
4、 that.(4)(4)构成复合谓语：构成复合谓语：The books are not allowed to be taken out of the room.(5)(5)作定语作定语：Are you going to the meeting to be heldin the teachers office?(6)(6)作状语作状语：She was too young to be assigned suchwork.二、不定式有时还可以有完成式的被动二、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，或者式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：构成复合宾语、
5、复合谓语等，如：1)It is a good thing for him to have beencriticized.（主语）（主语）2)She preferred to have been given heavier work to do.(宾语宾语)3)He thought it an honour to have beeninvited to the party.（复合宾语）（复合宾语）4)She was the first woman to have been elected to such a post.（定语）（定语）1.The dishes need 2.The mail is
6、 expected Sentence making Sentence makingwashsendto be washed.to be sent.3.The singer refused4.The house isphotographsellto be photographed.to be sold.5.The wall is expectedpaintto be painted.frighten6.The bird seemsto be frightened.1.She hates _ by her classmates.2.Tim refused _ by his father to sc
7、hool.3.She struggled _ by the French visitors.to be accompaniedto be understoodFill in the blanksaccompany understand envylaughed at discuss testto be laughed at4.These are the issues _ tomorrow.5.The new drug is _ out on 500 patients next year.6.She was very beautiful but she didnt like _ by all th
8、e girls she met.to be testedto be enviedto be discussedaccompany understand envylaughed at discuss test1.The boy asked _(give)an opportunity to try again.2.Her dream is _(send)to study abroad3.This dictionary mustnt_ (take)away from the library.4.The book is said_ (translate)into French so far.单句语法填
9、空单句语法填空To be givenTo be sentbe taken awayTo have been translated5.George returned after the war,only_(tell)that his wife had left him.6.Are you going to attend the important meeting_(hold)next Monday?7.Rice _(grow)in South China.8.Some of the hotels in my hometown _(rebuild)now.to be toldto be heldis grownare being rebuilt
