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Unit 2 Robotsannounce it to my friends. 注意注意: 现在分词主动式作宾补表示一现在分词主动式作宾补表示一个正在进行的主动动作个正在进行的主动动作,不定式主动式不定式主动式作宾补表示动作的全过程或即将发生作宾补表示动作的全过程或即将发生的主动动作。的主动动作。 I heard him playing the piano in the next room. Now let me hear you play the piano a second time.Grammar 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.Is this a passive sentence? 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 structuresGo over the passive voice 1. be+ V+-ed/-en/-t My homework was eaten by the dog. The toy is made by hand. The functions of the infinitive. Except predicate, the infinitive can function as subject, object, predicative, attribute, adverbial and object compliment.Go over the infinitive to be + past participle 当不定式动词与其逻辑主语之间当不定式动词与其逻辑主语之间是被动关系时，不定式要用被动语是被动关系时，不定式要用被动语态。其构成形式如：态。其构成形式如：to be given, to be shut, to be openedExplanation of the passive infinitiveFOR EXAMPLE:1. She hates to be laughed at. (others laugh at her. she is laughed at by others)2. I am expecting to be given a pay-rise next month. (give me a pay rise I will be given a pay rise.) 重要提示：重要提示：EXAMPLES: be to + passive infinitive (to be + past participle) is often used in notices and instructions. 1. This cover is not to be removed.2. The medicine is to be taken three times a day. 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. seenExercise B 2. I hurried to the meeting hall, only_ that the meeting had been put off. A. to tell B. to be told C. telling D. toldB 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 toldD 4. Little Tom should love_ to the theater this evening. A. to be taken B. to take C. being taken D. takingA 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; useA 6. With a lot of problems_, the newly-elected president is having a hard time. A. settled B. settling C. to settle D. being settledC7. He_ and was made to repeat it. A. didnt understand B. didnt be understood C. wasnt understand D. wasnt understoodD 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 doingD 9. Visitors_ not to touch the exhibits. A. will request B. request C. are requesting D. are requestedD 10. In some parts of the world, tea _ with milk and sugar. A. is serving B. is served C. serves D. servedB
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