【开学大礼包】2012高中英语 Unit 2 Robots Period 3 Grammar精品教案 新人教版选修7

Period 3 GrammarTeaching aims 1．Revise the passive voice(including the infinitive) and know the exact meaning of the structure.2．Be able to use the useful words，expressions and structures correctly.Teaching procedures Step 1 RevisionAsk students to answer the following questions without referring to the textbook.1．What was going to be tested out by Larry's wife，Claire?2．How did Larry Belmont finally persuade his wife to accept the experiment?3．How did Claire feel when she was offered sympathy by a robot?4．What did Tony expect to do about the house before he was to leave and Larry was to return?5．How did Claire feel when she was envied by those women?6．What happened to Tony at last?Suggested answers：1．The robot was going to be tested out by Larry's wife，Claire.2．Larry persuaded her that the robot wouldn't harm her or allow her to be harmed.3．She thought it was ridiculous to be offered sympathy by a robot.4．Tony expected the house to be completely transformed.5．She felt it a sweet victory to be envied by those women.6．Tony had to be rebuilt.Step 2 Grammar learning1．不定式的被动形式当不定式与逻辑主语之间是被动关系时，即不定式的逻辑主语是不定式所表示动作的承受者，不定式一般要用被动形式。其被动式可以分为两种：一般式和完成式。(1)一般式：to be done，表示不定式动作在谓语动词之后或者同时发生。It is a great honor_to_be_invited_to speak here.很荣幸被邀请在这里讲话。The novel is said_to_be_published_next month.据说这本小说下月要出版。(2)完成式：to have been done，表示不定式动作发生在谓语动词之前。The book is said to_have_been_translated_into six languages.这本书据说已经被翻译成六种语言。The boss preferred_to_have_been_given_more work to do.老板宁愿被分给更多的工作做。被动一般式to be done完成式to have been done 2.不定式被动形式的作用(1)作主语It's an honor ...