英语人教版选修七《Unit 2 Robots》学案
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111Unit 2 Grammar - the passive infinitives被动语态的基本形式:一般进行完成现在过去将来/一些特殊的被动语态1. 双宾语动词的被动语态。通常变为主语的是间接宾语(指人的宾语)。They didnt offer Ann the job. _.2. 在使役动词have, make, let以及感官动词see, watch, notice, hear, feel, observe等后面不定式作宾语补语They make her clean the floor. _.3. Itbe过去分词that从句 (=主语be过去分词to do sth) It is said that the boy has passed the exam. _.It _that there was a car over there. A. so happened B. so happens C. is so happened D. was so happened4. be supposed to suppose: vt. 推想; 假设; 猜想 supposed:假定的; 推测的; (1) _(=be said to) Lets go and see that film. Its supposed to be very good.(2) _ Id better hurry. Its nearly 8 oclock. Im supposed to be meeting Tom at 8:15.(3) be not supposed to _ You are not supposed to park here. 不可以变成被动语态1. 某些感官动词加形容词及少数其他的动词可以表示被动意义。cook, smell, taste, wash, write, shut, prove, sell, read, write, etc. The book is so interesting that it _ well. The dish_ delicious. The theory he devoted 2 years _ right at last.2. need +V- ing My car needs _(= to be repaired). 3. 某些表示状态或者特征的及物动词没有被动语态形式。 beg, equal, fail, hold, possess, fit, become, contain, cost, fit, have, lack, resemble(相似), suit This new English-Chinese dictionary _ me ten dollars. 被动结构与系表结构的区别_结构 The enemy was soon surrounded by us._结构 The house is surrounded by trees._结构 She was bitten by the dog in the darkness. _结构 I was excited by the news that my husband got promoted. The passive infinitives 一般式进行式完成式主动to doto be doing to have done被动/不定式的主动形式表示被动1. 在 there be 结构中。There is a lot of homework to do. There is no time to lose.2. 在“npron + be + adj + to do”结构中。3. 在“tooto do; enoughto”结构中。4. 在“with+n+to do”结构中。 With nothing to do, he lay in bed.5. 当不定式的逻辑主语在句中出现时。I have a letter to type today Do you have anything to say? 6. 当不定式隐含在 for sb to do结构中时。 This is the best book to read (=for usyou to read)The important thing to do is to lock the door when we leave the house7. 一些作表语用的不定式的主动形式。常见的这类动词有 let (出租), rent, hire, blame 等。The house is to let I felt l was to blame.Practice1. Having a trip abroad is certainly good for the old couples, but it remains _ whether they will enjoy it. A. to see B. to be seen C. seeing D. seen2. Charles Babbage is generally considered _ the first computer. A. to invent B. inventing C. to have invented D. having invented3. There are five pairs _, but Im at a loss which to buy. A. to be chosen B. to choose from C. to choose D. for choosing 4. With a lot of difficult problems _, the newly-elected president is having a hard time. A. settled B. settling C. to settle D. being settled5. All these gifts must be mailed immediately _ in time for Christmas. A. in order to have received B. in order to receive C. so as to be received D. so as to be receiving6. I would love _ to the party last night but I had to work extra hours to finish a report. A. to go B. having gone C. going D. to have gone7. Robert is said _ abroad, but I dont know what country he studied in. A. to have studied B. to study C. to be study D. to have been studying8. Quite a few people used to believe that disaster _ if a mirror was broken. A. was sure of striking B. was sure of having struck C. was sure to be struck D. was sure to strike9. Last summer I took a course on _.A. how to make dresses B. how dresses be madeC. how to be made dresses D. how dresses to be made10. The flu is believed _ by viruses that like to reproduce in the cells inside the human nose and throat. A. causing B. being caused C. to be caused D. to have caused11. To fetch water before breakfast seemed to be a rule _. A. to never break B. never to be broken C. never to have broken D. never to be breaking12. The tools in the workshop are not allowed _. A. taking out B. to take out C. to be taken out D. being taken out13. The dam _ by the year 2012, will benefit the whole country. A. being completed B. to complete C. completed D. to be completed14. Here we found little snow, as most of it seemed _ blown off the mountain. A. to have been B. to be C. that it was D. that it had been15. The local health organization is reported _ twenty-five years ago when Dr. Adm became its first president. A. to be set up B. being set up C. to have been set up D. having been set up16. When asked why he went there, he said he was sent there _ for a space flight. A. training B. being trained C. to have trained D. to be trained17. The children talked so loudly at dinner table that I had to struggle _. A. to be heard B. to have heard C. hearing D. being heard 18. The news reporters hurried to the airport, only _ the film stars had left. A. to tell B. to be told C. telling D. told19. Little Jim should love _ to the theatre this evening. A. to be taken B. to take C. being taken D. taking20. The chair looks rather hard, but in fact, it is very comfortable to _. A. sit B. sit on C. be sat D. be sat on111- 配套讲稿:
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