新编英语教程第三版第二册unit 3Word文档下载推荐.docx

1、4. must + perfect infinitive used to express “affirmative deduction about past actions”may /might as well used with the second person pronoun expressing “suggestions”. 1） She must have gone to the language lab. 2） You may/might as well use my bike.Preparatory Questions Directions: Recast the followi

2、ng sentences using the following phrases:1. “would have liked to （do）” Notice:would have liked to （do）isused with the first person to express the speakers wish that was not fulfilled1） I intended to go skating with you yesterday but I couldnt because my mother didnt let me.（Response: I would have li

3、ked to go skating with you yesterday, but my mother didnlet me.）2） I meant to sit in on Professor Wangs class this morning but I didnt because I had an important meeting to attend. I would have liked to sit in on Professor Wangs class this morning, but I had an important meeting to attend.）3） I inte

4、nded to take part in the basketball match yesterday afternoon but I couldntbecause I had a bad fall yesterday morning. I would have liked to take part in the basketball match yesterday afternoon, but I had a bad fall yesterday morning.）4） I planned to lend you my cassette recorder, but I didnt, beca

5、use it was out of order. I would have liked to lend you my cassette recorder, but it was out oforder.）2. should/ought to + perfect infinitiveshould/ought to + perfect infinitive, indicating a past obligation that was not fulfilled1） The exhibition was a good one. All of us visited it except John. :

6、John should/ought to have come with us.）2） We all learned a lot from the lecture, but Li didnt attend it. Li ought to/should have attended the lecture.）3） The engineer went to the research institute without an umbrella and was caught in the rain. The engineer ought to/should have taken an umbrella w

7、ith him.）4） They bought a book for Mary but she didnt like it. They oughtnt to/shouldnt have bought the book for Mary.）neednt + perfect infinitive neednt + perfect infinitive, indicating something that was unnecessarily done in the past1） I wrote a summary in more than five hundred words. But the te

8、acher only asked for200 words. I neednt have written such a long summary.）2） Lin answered all the ten questions in the test paper. But we were only required toanswer eight of them. Lin neednt have answered all the ten questions in the test paper.）3） Mary went to the station an hour before the train

9、started. Mary neednt have gone to the station so early.）4） Yao carried all the parcels home herself. She didnt know they would deliver them if she asked them.） Yao neednt have carried all the parcels home herself. They would havedelivered them if she had asked them.）may/might +perfect infinitive may

10、/might +perfect infinitive, indicating speculations about past actions1） Where is Susan I want to go to the canteen with her. She may/might have gone there already.）2） Its a fortnight since Sun went to the South and we havent got a word from him. Iwonder if hes forgotten us all. He may/might have be

11、en very busy with his work there.）3） Sid told me hed let me have the library book after hed finished with it. Its a weeksince he said that and he still hasnt given me the book. He may/might have returned the book to the library. 4） Ive been looking for my bicycle key for three days, and its still no

12、where to be found. You may/might have lost it.）cant/couldnt + perfect infinitive cant/couldnt + perfect infinitive, indicating negative deduction about past actionsThe first part of the response can be given to the students as a prompt.1） Where is my typewriter Someone must have stolen it last night

13、. It was here a moment ago. It couldnt have been stolen last night.）2） Keith ought to be here now. Perhaps hes lost his way. I told him how to come and I even drew him a map. He cant have lost his way.）3） Who brought the refrigerator upstairs Perhaps it was Tim. Tims not that strong. He couldnt have

14、 brought it by himself.）4） A man answered the phone. I suppose it was her husband. But her husband hasnt come back from abroad yet. It couldnt have been her husband.）4. must + perfect infinitive must + perfect infinitive, indicating affirmative deduction about past actions1） The film he saw last nig

15、ht was wonderful. He must have enjoyed seeing it.）2） He looks tired, doesnt he He must have worked hard. / He must have stayed up late last night.）3） The children were making a lot of noise until five minutes ago. Now it is so quiet. The children must have gone away.）4） James has checked all the fig

16、ures twice over, but he cant get the correct answer. James must have made a mistake somewhere.）5. may/might as well may/might as well, used with the second person pronoun to express the speakerssuggestion（s）1） I am so exhausted after work. You may/might as well go to sleep.）2） Im not feeling well. I

17、 think Ive got a cold. Being so weak, you may/might as well see a doctor.）3） It is too hot for Karen and me to go for a picnic. Why dont you change it to another day You may/might as well go to amovie today.）4） Nick wont take up the additional work. He just wants to do his part. You may/might as wel

18、l ask Lucy to do it. To get ahead on her job, she iswilling to try new things.）Dialogue Pollution Control Listening to the recording Questions on the dialogueWhy is London no longer a city full of fogWhat is the cause of air and water pollution in the city where A livesWhat problems do car bringWhat

19、 should be done to bring pollution in China completely under controlDo you think that environmental pollution in China has been effectively reduced If so, please cite some facts or examples. C. Language Points1. It must be terrible living there. Living there must be terrible. The introductory it is

20、a formal subject, whereas the -ing participle living is the real subject. Another example,. It is great fun boating on the lake.2. the Clean Air Act This was the result of the recommendations made by the Beaver Committee which was set up to inquire into the question of urban pollution in Britain. Th

21、e committee was so named because its chairman was Sir Hugh Beaver.3. enforce v .give emphasis or strength to sth.加强；make sth.（a law ） obeyed or effective by force强迫服从，实施；force or cause sth. to be done or to happen迫使（某事）发生. 1） Mike must provide enough examples to enforce his argument. 2） You have no

22、right to enforce your own views on me. 3） The government is unable to enforce its own laws and regulations.4. the Thames is swarming with fish the River Thames is full of fish that move about busily. The names of rivers are preceded by the definite article the, ., the Yangzi River, the Yellow River,

23、 the Hudson River, the River Mississippi. 1）Each summer the swimming pool swarms with people. 2） That town is always swarming with tourists from all over the world.5. double: twice as much or as many as usual; 成双的，双重的，两倍的a. n. v.a double bed/room at/on the double 迅速地，立即地；以跑步方式 The boss will give him

24、 double pay for working overtime. 2） The date had a double significance. 3） Youd better be double careful when crossing the street. 4） The population of Japan doubles that of Canada. 5） The child birthrate in that area has doubled.6. torment n. extreme suffering, especially mental suffering; a perso

25、n or thing that causes this.痛苦，折磨 v. . 1） Love is a sweet torment. 2） David has never suffered the torment of rejection. 3）They never torment themselves or each other over imperfections. devices devices used to treat smoke, dust, and water pollution 治理三废设备. 1） The television receiver is an electroni

26、c device. 2） Sending advertising by email is very effective marketing device. 3） His illness is merely a device to avoid seeing his girlfriend.8. residential a. containing or suitable for private houses; connected with or based on residence住宅的，与居住有关的 Gradually the surrounding farmland turned into re

27、sidential areas. 2） It is a nice residential section, equipped with modern conveniences.resident a. 居住的；n.居民，居住者residence n. 居住，住宅reside v.居住，定居 v. make ab. angry, annoyed or impatient 激怒，使烦躁；cause discomfort to（a part of body）使不舒服，刺激. 1） Our faults irritate us most when we see them in others. 2） He

28、r effusive manner of greeting her friends finally began to irritate them. 3） These tight shoes irritate my toes. 10. more and more people have come to know how harmful . more and more people begin to know how harmful . The infinitive after the verb come expresses an action that takes place gradually over some time. working with Mrs. Brown, who appeared quite hard-hearted, in the same office for many years, Ive come to