北师大版高中英语选修7课件：Unit 20 Period Five

《北师大版高中英语选修7课件：Unit 20 Period Five》由会员分享，可在线阅读，更多相关《北师大版高中英语选修7课件：Unit 20 Period Five（36页珍藏版）》请在七七文库上搜索。

1、Unit 20 New Frontiers,内容索引,单元写作An article,单元语法Future perfect & Future continuous,Period Five Grammar & Writing,单元语法 Future perfect & Future continuous,语法感知,语法导学,用所给动词的正确形式完成课文原句 1.By the year 2015，the clothing industry (produce) new types of material that will remain stainless no matter what you spi

2、ll on them. 2.By the year 2030，development in biochemistry and medical science (make) it theoretically possible for us to live for at least 150 years.,will have produced,will have made,3.By the middle of the century，computers that are millions of times smarter than us (develop). 4.By the end of the

3、century，we (discover) other places in our solar system suitable for living. 5.Ill be there in Newcastle this weekend. At nine oclock on Saturday morning，I (sit) in the front row and listening to the great Professor Willard talking about the future of my brain.,will have been developed,will have disc

4、overed,will be sitting,语法精析,一、将来完成时 1.概述 表示在将来某一时刻或某一行为发生之前所完成的动作或这一动作仍在持续，常用的时间状语有“by将来的某个时间点、when和before引导的从句等”。将来完成时由“shall/willhave过去分词”构成。 The apples will have been eaten up before you return. 你回来之前苹果将会被吃完。,2.用法 表示在将来某一时间之前已完成的动作，并往往对将来产生影响。 We shall have learned 12 units by the end of this ter

5、m. 到这个学期末，我们将学完12个单元。 By the time you get home，I will have cleaned the house from top to bottom. 你到家之前我将会把房子彻底打扫一遍。,3.现在完成时、过去完成时与将来完成时的区别 现在完成时以现在为参照点，一般强调发生在过去的动作对现在造成的影响或产生的结果；过去完成时则以过去时间为参照点，表示在过去某一时间或动作之前已经发生、完成的动作；将来完成时则以将来时间为参照点，表示在将来某一时间或动作之前已经完成的动作或持续到将来某一时间的动作。 He has finished writing his

6、novel.他已写完他的小说了。 He had finished writing his novel by the end of last year. 去年年底他就写完他的小说了。 He will have finished writing his novel by the end of next year. 到明年年底他将会写完他的小说。,二、将来进行时 1.概述 将来进行时主要表示将来某一时间正在进行的动作，或表示要在将来某一时间开始，并继续下去的动作。将来进行时由“shall/willbe现在分词”构成。 The time of next week they will be sittin

7、g in the cinema. 下周的这个时候，他们将坐在电影院里。 By this time tomorrow，Ill be lying on the beach. 明天的这个时候，我将会躺在沙滩上。,2.用法 将来进行时表示在将来某一时间正在进行的动作。将来进行时有很强的推测性，因此往往在以下几种场合中使用： (1)表示将来某一时间正在进行的动作，一般有时间状语； (2)表示现在正在进行的动作，但这个动作会持续到将来； (3)表示预定将来发生的动作或对将来的预测； (4)表示委婉的请求； (5)表示原因； (6)表示结果；,(7)表示对将来的打算。 When he comes to my

8、 house tomorrow，I will be writing the report. 明天他来我家时，我将在写报告。 I wonder if it will still be raining this afternoon. 我想知道今天下午是否还会继续下雨。 I think that she will be working on this experiment until next morning. 我觉得她会将实验一直做到明天上午。 Please come tomorrow afternoon.Tomorrow morning，Ill be having a meeting. 请明天下

9、午来吧。明天上午我会在开会。 My duties will end in July，and Ill be returning to Shanghai. 我的任务到七月份结束，然后我会返回上海。,3.将来进行时与一般将来时的区别 (1)将来进行时强调动作将来正在进行；一般将来时仅表示某一动作将来会发生。 What will you be doing at this time tomorrow? 明天这个时候你会在做什么呢？ What will you do tomorrow？你明天干什么？,(2)用将来进行时询问别人的计划、打算、情况时比用一般将来时显得更委婉。 When will you fi

10、nish these letters? 你什么时候处理完这些信件？(直接询问) When will you be seeing Mr White? 你什么时候见怀特先生呢？(委婉地询问) (3)一般将来时中的will有时含有“愿意”的意思，而将来进行时中的will只是单纯地表示将来的情况。 Mary wont buy the skirt.玛丽不肯买这件裙子。(表意愿) Mary wont be paying this bill. 钱不会由玛丽来付。(单纯地表示将来的情况),高考链接,用所给动词的正确形式填空 1.Hopefully in 2025 we will no longer be e-

11、mailing each other，for we (develop) more convenient electronic communication tools by then.(2018江苏) 2.He hurried home，never once looking back to see if he _ (follow).(2017江苏) 3.Jane cant attend the meeting at 3 oclock this afternoon because she (teach) a class at that time.(2015天津),will have develop

12、ed,was being followed,will be teaching,4.In the last few years，China (make) great achievements in environmental protection.(2015北京) 5.Just as I got to the school gate，I realized I (leave) my book in the cafe.(2015安徽) 6.As you go through this book，you (find) that each of the millions of people who li

13、ved through World War had a different experience.(2015湖南) 7.Could I use your car tomorrow morning? Sure.I (write) a report at home.(2013江苏),has made,had left,will find,shall/will be writing,8.Can I call you back at two oclock this afternoon? Im sorry，but by then I (fly) to Beijing. How about five？(2

14、012陕西) 9.Tommy is planning to buy a car. I know.By next month，he (save) enough for a used one.(2011江苏),shall/will be flying,will have saved,达标检测,.用所给词的正确形式填空 1.When you arrive，I (wait) for you in reception. 2.Is it convenient for you if I call you at 9 oclock tomorrow morning? Im afraid not.I (atten

15、d) a meeting then. 3.The train (go) at the present speed until it reaches the foot of the mountain at about nine oclock tonight. 4.If it doesnt rain tomorrow，we (go) out for a picnic. 5.He (lose) the job if he doesnt work hard.,will be waiting,shall/will be attending,will be going,will go,will lose,

16、6.Molly went to Japan last year. And I (not，hear) from her ever since. 7.I (listen) to the music at this time tomorrow evening. 8.Would you like to go to the cinema tomorrow? Sure. By then，I (finish) my exam. 9.He (work) in the factory for five years before he moved here. 10.The mayor of the city sa

17、ys that all construction work for the Olympics (complete) by the end of next year.,havent heard,will be listening,shall/will have finished,had worked,will have been completed,11.Anny cant arrive here at 3 oclock this afternoon because she (give) a lecture at that time. 12.The president (meet) the fo

18、reign delegation(代表团) at the airport tomorrow morning. 13.After you (do) the shopping，you will have a pleasant surprise. 14.Supposing it (rain) tomorrow，what shall we do? 15.I hope we (get) all the information before you come tomorrow.,will be giving,will be meeting,have done,rains,will have got,.单句

19、改错(每小题仅有1处错误) 16.I will speak to him when I will see him next Sunday. 17.I will get everything ready before my boss come back. 18.If it wont rain，we will go to visit the zoo. 19.He is going to travel all over the country after he retire. 20.We will plan to visit Paris this time on our way back from

20、Britain.,comes,doesnt,retires,.完成句子 21.不久他就会全然忘记这件事的。 Before long he all about the matter. 22.到今年年底我们就会完成这个项目。 We the project by the end of this year. 23.8点到10点之间不要给我打电话，我们那时正在上课。 Dont phone me between 8：00 and 10：00.We classes then.,will have forgotten,will have finished,will be having,24.我太兴奋了，明早的

21、这个时候我正飞往上海。 I feel so excited！At this time tomorrow morning，I _to Shanghai. 25.请你明天上午来吧。我明天下午会在电影院看电影。 Please come tomorrow morning. I at the cinema tomorrow afternoon.,shall/will be flying,shall/will be watching a movie,I felt delighted to be informed the news that I would be our Student Unions nex

22、t minister of health. Therefore，when I calmed down，I began to realize what challenging the job would be. I can still remember the first time I hold a meeting with all the members，that was a real challenge for me.With so many eyes fixing on me，I struggled to speak as my face and ears turned complete

23、red. I had never felt so nervous ago.,.短文改错 (2018吉林松原实验中学高二期中),However, of/about,how,held,which,fixed,completely,before,Although I went through a series of difficulty，I gained a lot as wella plenty of new friends，the ability to communicate and an improvement in my organizational skills.,difficulties

24、,单元写作 An article,写作指导,技法点拨,主题介绍类书面表达属于说明文的写作范畴，目的是客观地介绍、解释事物，使读者获得知识和信息。写作此类文章时，要抓住区别于其他事物的本质特征。另外，要注意说明顺序，例如：时间顺序、空间顺序和逻辑顺序等；最后，还要注意语言和时态的运用(说明文的时态多用一般现在时)。说明文的语言要简洁朴实，表达要清晰，做到条理清晰，主次分明。,写作过程中应该注意以下几点： 1.抓住中心，分清主次。首先要仔细阅读文字提示或观察图表，确定文章的中心内容；再根据内容把文章分成几个段落，每段都要拟定一个主题句；然后确定中心人称和主体时态。 2.列全要点，扩编句子。以拟定的

25、主题句为中心，选择恰当的词语和句型组织材料，编写句子，形成段落。 3.布局谋篇，连段成文。按照一定的逻辑顺序，用适当的过渡词把已经写好的段落串连成一篇完整的文章。,常用表达,1.Since.，people have always enjoyed. 2.The history of.goes back. 3.Recent developments in the field include. 4.In my opinion，there will be a return to. 5.Many experts predict that. 6.In conclusion，.,典题示例,随着科技的发展，机

26、器人的作用日益重要。假如你们学校正在征集关于机器人构想方面的作文，请你用英语写一篇100词左右的文章阐明自己的观点。要点提示：你想象中的机器人主要是能够用来帮助幼儿和老年人的，原因是他们需要更多的帮助。,审题谋篇,明确要求 本篇属于介绍机器人的说明文。时态应以一般现在时为主；人称应用第三人称。 确定段落 Para.1 当前机器人的社会作用； Para.2 你想象中的机器人； Para.3 总结。,联想词汇 1.接收；接管 2.毫无疑问 3.做某事有困难 4.从中获益 5.总之 6.据信,_ _ _ _ _ _,take over no doubt have difficulty (in) do

27、ing sth. benefit from in a word/in all/in brief/in conclusion It is believed that.,要点词句,句式升级 1.我相信机器人在未来将起到非常重要的作用。机器人将接管很多困难的工作，使人们的生活更轻松。 (一般表达)I believe the robots will play a very important role in the future and they will take over many difficult jobs and make peoples life easier. (句式升级)I belie

28、ve the robots will play a very important role in the future，_and _. (现在分词短语作状语),taking over many difficult jobs,making peoples life easier,2.人们希望机器人将在照看孩子和老人方面展示它们的技术。孩子和老人比其他人更需要帮助。 (一般表达)It is hoped that the robots will display their skills in looking after the younger and the elder people.They bo

29、th need others help more than any other group. (句式升级)It is hoped that the robots will display their skills in looking after the younger and the elder people， need others help more than any other group.(定语从句),who,3.人们相信机器人科技将在未来生活中给我们更多的帮助。 (一般表达) People believe that the science and technology of rob

30、ot will help us more in the future life. (句式升级) the science and technology of robot will help us more in the future life.(it作形式主语),It is believed that,Nowadays the science and technology of robot has been a rapid development.I believe the robots will play a very important role in the future，taking o

31、ver many difficult jobs and making peoples life easier.No doubt，people have their own different ideas about robots and I am no exception.,连句成篇,In my opinion，it is hoped that the robots will display their skills in looking after the younger and the elder people，who need others help more than any othe

32、r group. For example，the robots are expected to be able to teach the younger children the basic knowledge.Apart from that，the elder who have difficulty in moving and communicating can also benefit from the robots. In a word，it is believed that the science and technology of robot will help us more in the future life.,