Unit 2 Teaching methods situational teaching method ; cooperative learning method; programmed teaching method; task-based and assessment teaching methods.Teaching aims and demands一、 topic: Robots, literary work about science二、 vocabulary三、 functions: Supposition and belief四、 grammar : Revise the Passive VoiceArrangement of teachingthe first period: warming upthe second period: language points of readingthe third period : readingthe fourth period : learning about language and language points of using languagethe fifth period: using languagethe sixth period: grammarthe seventh period: exercises Revision of The passive Infinitive不定式语法 不定式的时态和语态 不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式。语态分为主动语态和被动语态，如下表所示。 语态时态主动语态被动语态一般式 to do to be done完成式 to have done to have been done进行式 to be doing/完成进行式 to have been doing/ 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。 一、 不定式的被动形式有下列用一、 不定式的被动形式有下列用法法1 ．作主语： It is an honour for me to be asked to speak here.2 ．作宾语： She asked to be sent to work in Xinjiang.一 当不定式的逻辑主语是不定式所当不定式的逻辑主语是不定式所表示的动作的承受者时，不定式一般表示的动作的承受者时，不定式一般要采用被动形式。要采用被动形式。．3 ．构成复合宾语： He wanted the letter to be typed at once. She didn’t like herself to be praised like that.4 ．构成复合谓语： The books are not allowed to be taken out of the room.5 ．作定语： Are you going to the meeting to be held in the teachers’ office?6 ．作状语： 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二、不定式有时还可以有完成式的...
