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本文(2019-2020学年北师大版英语必修2课件:Unit 5 Period Seven)为本站会员(可**)主动上传,七七文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知七七文库(发送邮件至373788568@qq.com或直接QQ联系客服),我们立即给予删除!

2019-2020学年北师大版英语必修2课件:Unit 5 Period Seven

1、,PART 1,语法导学,PART 2,达标检测,Period Seven Grammar“will” for decisions & Adverbial clauses,PART 1,语法导学,感悟规律 重点难点剖析,感知以下句子,完成方框下的小题 (一),语法感知,1.Ill go and get them now,before I go to the dentist. 2.There was not an empty seat anywhere in the concert hall at last Thursdays event,although it was an extremely

2、 cold night. 3.While I watched and listened,I knew that I was seeing the performance of a real superstar. 4.It was Morissettes first performance in England since her song “Uninvited” won this years Grammy Award for the best rock song.,5.We were working in the chemistry lab when the lights went out.

3、6.In some places women are expected to earn money while men work at home and raise their children.,1.句1中的before和句3中的while以及句4中的since引导的从句均为 从句。 2.句2中的although引导的从句为 从句。 3.句5中的when和句6中的while均用作 。,查看答案,让步状语,时间状语,并列连词,1.Kong explained that he tried this because he wanted to create something new. 2.As h

4、is mother was a great music lover,he lived with music from birth. 3.She had to draw piano keys on a piece of paper so that he could learn to play as early as possible. 4.Kongs new experiment in Chinese folk music is so important to him that he even changed his appearance. 5.Since his music style was

5、 new,he decided his hairstyle had to be new too! 6.The concert last week was such a success that Kongs Dream Tour Concert is expected to run for the next years in Beijing,Shanghai,and other main cities before going to Paris and New York.,(二),1.句1中的because、句2中的as和句5中的since引导的从句均为 从句。 2.句3中的so that引导的

6、从句为 从句。 3.句4中的so.that和句6中的such.that引导的从句均为 从句。,查看答案,目的状语,原因状语,结果状语,.will表“决定”的用法 will可以表示在说话时做出一个临时的决定,这个决定可以是提供帮助,也可以是描绘意图。 OK.Ill help you to mail the letter. 好吧,我帮你寄信。 I think Ill go to see the doctorI have a high fever. 我想我要去看医生我发高烧。 .状语从句 状语从句主要用来修饰主句或主句的谓语。一般可分为九大类,分别表示时间、地点、原因、目的、结果、条件、让步、比较和

7、方式。,语法精析,一、时间状语从句 1.由when,while,as,after,before,till/until等引导的时间状语从句。 It will be four days before they come back. 他们要过四天才能回来。 2.名词短语引导的时间状语从句。 可以引导时间状语从句的名词短语有:the moment,the minute,the instant,each time,every time,next time等。 The children ran away from the garden the moment they saw the guard. 孩子们一

8、见到看管人就从花园里跑开了。,3.由immediately,instantly,directly,as soon as,no sooner.than.,hardly/barely/scarcely.when.等引导的时间状语从句,表示“一就”。no sooner.than.,hardly.when.引导的表示时间的句子,从句用一般过去时,主句用过去完成时。当no sooner,hardly位于句首时,主句要用部分倒装。 The young lady rushed into the room immediately she heard the noise. 那位年轻女士一听到响声就冲进了房间。

9、Hardly had he reached home when it began to rain. 他刚到家,天就开始下雨了。,二、让步状语从句 1.由though,although,as,even if,even though,while引导的让步状语从句。 (1)although引导的让步状语从句不倒装。 Although its raining,they are still working in the field. 虽然在下雨,但他们仍在地里干活。 (2)as引导让步状语从句时,从句的表语、状语或谓语中的实义动词需提前至句首,如果表语是带冠词的名词,冠词需要省略。 Fast as/th

10、ough you read,you cant finish the book so soon. 纵然你读得快,你也不能这么快读完这本书。 (3)though引导的让步状语从句可以倒装也可以不倒装,倒装时用法同as。此外though还可用作副词,常置于句末,意为“可是,不过,然而”。,2.由no matter what/which/who/when/where或whatever,whichever,however等引导的让步状语从句。 You have to go on,whatever/no matter what difficulties you meet. 无论遇到什么困难你都得继续下去。

11、 三、原因状语从句 1.常见的连接词:because,since,as,seeing that,now (that),in that,considering that,for the reason that等。 Now that youre here,why not have a drink? 既然你来了,为什么不喝一杯呢?,2.because,as,for,since辨析 (1)because语气最强,表示不知道的原因时用because,即说话人认为听话人不知道,因此because从句是全句最重要的部分,通常它被置于主句之后。下列情况下只能使用because:在回答why的问句时;在用于强调

12、句型时;被not所否定时。 He was absent from school because he was ill. 他没去上学,因为他病了。,(2)for的语气不及because,since,as强,为并列连词,引导的分句常放在主句之后,从句前通常用逗号,表示说话者为所做的推断和预测提供理由,或对前一分句进行补充和解释。如果不是因果关系,而是对前面主句的内容加以解释或推断时,只能用for。 We should be more careful,for it is already dark. 天已黑了,我们应更小心些。,(3)表示已经知道的原因时用as或since,即某种原因在说话人看来已经很

13、明显,或已为听话人所熟悉,因此它是句中不太重要的部分。since要比as正式一些,它们通常被置于主句之前,但有时却相反。 Jenny was very sad over the loss of the photos she had shot at Canada,as this was a memory she especially treasured. 詹妮为她丢失的在加拿大拍摄的照片感到非常难过,因为这是她特别珍藏的一段记忆。 Since you are leaving tomorrow,we can eat dinner together tonight. 既然你明天动身,今晚我们可以共进

14、晚餐。,四、结果状语从句 1.常见的连接词:so.that.,such.that.,so (that)等。 He didnt finish his homework,so (that) he was punished. 他没能完成作业,因而受到了惩罚。 2.so.that.,such.that.辨析 (1)结构形式,so,adj./adv. adj.a/an可数名词单数 many/much/little(少)/few名词,that.,such,a/anadj.可数名词单数 adj.可数名词复数或不可数名词,that.,There are so many stars in the univers

15、e that it is impossible to count them all. 宇宙里星星多得数不清。 He made such an excellent speech that everyone admired him. 他做了个如此精彩的演讲以至于每个人都崇拜他。 (2)当so或such置于句首时,主句用部分倒装。 Such a good boy is he that we all love him. 他是那么好的一个孩子,我们都喜欢他。,五、目的状语从句 1.常见的连接词:so that,in order that,for fear that,in case等。 Take an u

16、mbrella with you for fear that it may rain. 随身带着雨伞以防下雨。 2.so that与 in order that引导目的状语从句时,从句谓语动词常与can,could,may,might,should,would连用。 3.目的状语从句与不定式的转换:当主句和从句的主语一致时,目的状语从句可以与in order to,so as to或表目的的不定式转换。 They climbed higher so that they could get a better view of the city. They climbed higher so as

17、to/in order to/to get a better view of the city. 他们攀登得高一些,以便更好地欣赏城市的景色。,.用适当的连接词填空 1.If you are time poor,you need run for only half the time to get the same benefits as other sports, perhaps we should all give it a try.(2018全国) 2. you can sleep well,you will lose the ability to focus,plan and stay

18、motivated after one or two nights.(2018江苏) 3. birds use their feathers for flight,some of their feathers are for other purposes.(2017北京) 4.If you dont understand something,you may research,study,and talk to other people you figure it out.(2017北京),高考链接,so,Unless,Although/Though/While,查看答案,until,5.Ove

19、r time, the population grew,people began cutting food into small pieces so it would cook more quickly.(2016全国) 6.My grandfather still plays tennis now and then, hes in his nineties.(2016北京) 7.I really enjoy listening to music it helps me relax and takes my mind away from other cares of the day.(2016

20、北京) 8.I am not afraid of tomorrow, I have seen yesterday and I love today. (2016北京) 9.We need to get to the root of the problem we can solve it.(2015天津),when/as,even though/if,because,for,before,查看答案,.单句改错(每小题仅有1处错误) 10.The games my parents taught me where I was a child turned out to be very useful

21、later in my life.(2018全国,短文改错) 11. If I was only a child when I studied in that classroom,I will never forget it. (2015浙江,短文改错) 12. Before waiting for about half an hour,I was beginning to get impatient. (2013陕西,短文改错),when,After,Although/Though,查看答案,13.I have been missing you very much after I went

22、to college a year ago. (2012重庆,短文改错) 14.In the end,we drove to a service station and waited there unless the road was clear.(2012辽宁,短文改错) 15. Whenever I am,I will always love you.(2012四川,短文改错) 16.To deal with the problem,I think,we should first go all out to plant trees though trees will help save w

23、ater.(2012大纲全国,短文改错),查看答案,since,Wherever,until/till,because/since/as,PART 2,达标检测,当堂检测 基础达标演练,1.It has been six years he graduated from the university. 2.No sooner had she got on the bus it started. 3.I hurried I would not be late for class. 4. the wind rose,the noise increased. 5.I could never watch

24、 any movie more than once, good it is.,.用适当的连接词填空,查看答案,since,than,so that/in order that,As,however,6.He is so clever a boy that it seems nothing can defeat him. The boy is clever it seems nothing can defeat him. He is a clever boy it seems nothing can defeat him. 7.We will finish our work in three d

25、ays. three days we finish our work. 8.The sports meeting was put off because of the bad weather. The sports meeting was put off the weather was bad. 9.Though I like it much,I wont buy it,for its too expensive. I like it,I wont buy it,for its too expensive.,.句型转换,查看答案,so that,such that,It will be before,Much as/though,because,10.He didnt get up early enough to catch the bus. He got up late catch the bus. He got up late he missed the bus.,too to,so that,查看答案,