高二选修7 unit 2 robots-learning about language

1、Learning about language,My mother felt alarmed when I had my hair coloured purple. My mother was alarmed when I had my hair coloured purple.,Look at the sentences.,Though the structure seems like a passive sentence, it is not. A passive sentence indicates a passive action while this sentence describes a situation when someone has the feeling of alarm. “alarmed” is an adjective formed by V + ed.,Key!,Discovering useful structures Go over the passive voice 当不定式的逻辑主语是这个不定式所表 示的动作的承受者时，一般要用不定式 的被动式。

2、不定式的被动式可以在句中 作主语、作宾语、作表语、作定语、 作状语。,1. Its an honour to be invited to the ceremony. 2. She didnt like to be treated as a child. 3. His dream was to be admitted to a good university. 4. There are a lot of things to be discussed. 5. She was sent there to be trained for the space flight.,作主语,作宾语,作表语,作定语,作状语,不定式的被动式在句中作什么成分,关于不定式的被动式, 在学习中我们 应注意以下几种情况： 不定式完成时的被动式在句中作主 语、宾语、定语或表语。如： It is a good thing for him to have been criticized. 他受到批评是件好事。 She preferred to have been given more important work to d

3、o. 她宁愿分给她 的是更重要的工作。,She was the first woman to have been elected to such a post. 她是第一位当选这个位置的妇女。 He is not likely to have been notified about it. 这事多半还没有通知他。 在某些结构中不定式虽然表示被动 含义，用的却是主动形式。但在there be句型中, 用来修饰主语的不定式可 以用被动形式, 也可以用主动形式。如:, 在某些结构中不定式虽然表示被动含 义，用的却是主动形式。但在there be句 型中，用来修饰主语的不定式可以用被 动形式，也可以用主动形式。如： We still have many difficulties to overcome. 我们还有很多困难要克服。 Give him some books to read. 给他些书看。,The house is to let. 房子要出租。 Who is to blame for it? 这得怪谁？ The reason is not far to seek. 理由不难找到。 T

4、here are still many things to take care of / to be taken care of. 还有好些事要处理。,I. 根据括号内的提示将下列句子补充完整。 1. He wanted the letter _ (type) at once. 2. It is the first such project _ (design) by Chinese engineers.,练一练,to be typed,to be designed,3. They knew him _ (arrest) by the police. 4. Hell show you the right path _ (take). 5. He said he was _ (send) there to attend an important meeting next Friday.,to have been arrested,to take,to be sent,6. She didnt want her son _ (take) away. 7. Do let your mothe

5、r know all the truth. She appears _ (tell) everything. 8. She is busy preparing for the exams _ (hold) next month. 9. He hurried to the station only _ (tell) that the train had left.,to be taken,to have been told,to be held,to be told,1. Having a trip abroad is certainly good for the old couple, but it remains_ whether they will enjoy it. A. to see B. to be seen C. seeing D. seen,II. Choose the right answer.,B,2. I hurried to the meeting hall, only_ that the meeting had been put off. A. to tell

6、B. to be told C. telling D. told,B,3. Do let your mother know all the truth, she appears_ everything. A. to tell B. to be told C. to be telling D. to have been told,D,4. Little Tom should love_ to the theater this evening. A. to be taken B. to take C. being taken D. taking,A,5. It is said that plastics can be used to_ many things. Now people are used to_ plastics products. A. make; using B. making; using C. making; use D. make; use,A,6. With a lot of problems_, the newly-elected president is hav

7、ing a hard time. A. settled B. settling C. to settle D. being settled,C,7. He_ and was made to repeat it. A. didnt understand B. didnt be understood C. wasnt understand D. wasnt understood,D,8. The pupils here_ all kinds of exercises every day in the past four weeks. A. kept busy doing B. keep on doing C. have kept busy doing D. have been kept busy doing,D,9. Visitors_ not to touch the exhibits. A. will request B. request C. are requesting D. are requested,D,10. In some parts of the world, tea _ with milk and sugar. A. is serving B. is served C. serves D. served,B,Homework,Go over words and expressions. Go over the grammar. Do Ex3 on Page 56.,

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