2019-2020学年北师大版英语必修2学案含解析:Unit 5 Period Seven
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1、Period Seven Grammar “will” for decisions & Adverbial clauses感知以下句子,完成方框下的小题(一)1Ill go and get them now,before I go to the dentist.2There was not an empty seat anywhere in the concert hall at last Thursdays event,although it was an extremely cold night.3While I watched and listened,I knew that I was
2、 seeing the performance of a real superstar.4It was Morissettes first performance in England since her song “Uninvited” won this years Grammy Award for the best rock song.5We were working in the chemistry lab when the lights went out.6In some places women are expected to earn money while men work at
3、 home and raise their children.1.句 1 中的 before 和句 3 中的 while 以及句 4 中的 since 引导的从句均为时间状语从句。2句 2 中的 although 引导的从句为让步状语从句。3句 5 中的 when 和句 6 中的 while 均用作并列连词。(二)1Kong explained that he tried this because he wanted to create something new.2As his mother was a great music lover,he lived with music from b
4、irth.3She had to draw piano keys on a piece of paper so that he could learn to play as early as possible.4Kongs new experiment in Chinese folk music is so important to him that he even changed his appearance.5Since his music style was new,he decided his hairstyle had to be new too!6The concert last
5、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.1句 1 中的 because、句 2 中的 as 和句 5 中的 since 引导的从句均为原因状语从句。2句 3 中的 so that 引导的从句为目的状语从句。3句 4 中的 so.that 和句 6 中的 such.that 引导的从句均为 结果状语从句
6、。.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、比较和方式。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
7、 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/
8、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。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,al
9、though,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/though 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
10、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。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,
11、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?2because,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
12、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 s
13、ad 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
14、,so (that) he was punished.他没能完成作业,因而受到了惩罚。2so.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 that.a/an adj. 可 数 名 词 单 数adj. 可 数 名 词 复 数 或 不 可 数 名 词 There are so many stars in the universe that it is impossible to count them all.宇宙里星星多得数不清。He made su
15、ch 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 umbrella with you for fear that it may rain.随身带着雨伞以防下雨。2so that 与 in
16、 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 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
17、。.用适当的连接词填空1If you are time poor,you need run for only half the time to get the same benefits as other sports,so perhaps we should all give it a try.(2018全国)2Unless you can sleep well,you will lose the ability to focus,plan and stay motivated after one or two nights.(2018江苏)3Although/Though/While bi
18、rds use their feathers for flight,some of their feathers are for other purposes.(2017北京)4If you dont understand something,you may research,study ,and talk to other people until you figure it out.(2017北京)5Over time,when/as the population grew,people began cutting food into small pieces so it would co
19、ok more quickly.(2016全国)6My grandfather still plays tennis now and then,even though/if hes in his nineties.(2016北京)7I really enjoy listening to music because it helps me relax and takes my mind away from other cares of the day.(2016北京)8I am not afraid of tomorrow,for I have seen yesterday and I love
20、 today.(2016北京)9We need to get to the root of the problem before we can solve it.(2015天津).单句改错(每小题仅有 1 处错误 )10The games my parents taught me I was a child turned out to be very useful later in my wherewhenlife.(2018全国,短文改错)11. I was only a child when I studied in that classroom,I will never forget i
21、t.IfAlthough/Though(2015浙江,短文改错)12. waiting for about half an hour,I was beginning to get impatient.(2013陕西,短文改BeforeAfter错)13I have been missing you very much I went to college a year ago.(2012重庆,短文改aftersince错)14In the end,we drove to a service station and waited there the road was clear.unlessunt
22、il/till(2012辽宁,短文改错)15. I am,I will always love you.(2012四川,短文改错)WheneverWherever16To deal with the problem,I think,we should first go all out to plant trees thoughbecause/since/astrees will help save water.(2012大纲全国,短文改错).用适当的连接词填空1It has been six years since he graduated from the university.2No so
23、oner had she got on the bus than it started.3I hurried so that/in order that I would not be late for class.4As the wind rose,the noise increased.5I could never watch any movie more than once,however good it is.句型转换6He is so clever a boy that it seems nothing can defeat him.The boy is so clever that
24、it seems nothing can defeat him.He is such a clever boy that it seems nothing can defeat him.7We will finish our work in three days.It will be three days before we finish our work.8The sports meeting was put off because of the bad weather.The sports meeting was put off because the weather was bad.9T
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