人教版(新教材)高中英语选修2Unit 1　Science and Scientists精品学案：Grammar——表语从句.docx

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1、Grammar表语从句思维导图思维导图单元语法-一图贯通语法整体突破 语境理解 合作探究 IIIIIIIIIIIIIIIIIIIIIIII一定义K合作探究UThis is where 1 dont agree with you.（where 引导表语从句，where 在从句中作地点 状语）这就是我不同意你的地方。That is why he was late for class again.（why引导表语从句，why在从句中作原因状 语）那就是他又一次上课迟到的原因。My question is where we will travel and how we will get there.（

2、where 弓| 导表语从句， where在从句中作地点状语；how引导表语从句，how在从句中作方式状语）我的 问题是我们将去哪儿旅行以及我们将如何到达那里。K自主发现在主从复合句中充当表语的从句，其作用相当于一个名词。表语从句放在系动词 之后，即主语+系动词+表语。二、几种表语从句l.that与what引导的表语从句K合作探究UThe trouble is that I have lost his address.麻烦是我把他的地址丢了。That was what she did this morning on her way to school.那就是她今天早晨在去学校的路上做过的事。K

3、自主发现2连接词that引导表语从句，不充当成分,无意义，但是不能省略；what是连接代 词，引导表语从句时，在从句中作主语、宾语、表语或定语。2 .whether引导的表语从句K合作探究The question is whether you can do the work well.问题是你能否做好这项工作。K自主发现3Xwhether引导表语从句，不充当成分，意为“是否”。此时一般不能与if互换。3 .why与because引导的表语从句K合作探究The reason why he asked for two days5 leave is that he had to take care

4、of his sick son. 他请了两天假的原因是他要照顾他生病的儿子。Thafs because I was too busy then.那是因为那时我太忙。Thats why we didnt attend that meeting.那就是我们为什么没有参加会议的原因。K自主发现4X句子主语为the reason时，表语从句通常用that引导,即构成句型：The reason whyis that；The reason foris that意为的原因是”。because引导表语从句时，表示“因为”，强调原因;why引导表语从句时, 表示”的原因”，相当于the reason why,强

5、调结果。4 .as if/though引导的表语从句K合作探究RIt looks as if he is looking for something他看起来好像在找什么东西。It looks as if a storm would come soon.暴风雨好像快要来啦。It seems as if it were spring.现在好像是春天似的。She appeared as if she had known nothing about it.她看上去对止匕无所矢口。K自主发现5as if/though引导的表语从句常置于系动词seem, appear, look, taste, soun

6、d, feel等之后。当说话者认为所述是真实的或极有可能发生时，as if从句用陈述语气。当说话者认为所述不是事实或发生的可能性不大时，从句用虚拟语气。a.假设表示与现在事实相反的假设，从句谓语用一般过去时(be用were)；b.假设表示与过去事实相反的假设，从句谓语用过去完成时;c.假设表示与将来事实相反的假设，从句谓语用“ would/could/miqht+动词原形”。5 .表语从句中的虚拟语气K合作探究RHis request is that they should stay here for the night.他请求他们应该在这儿逗留一晚。K自主发现61主语为 advice, su

7、ggestion, proposal, demand, desire, requirement, request, order, command等表示建议、要求、命令等意义的名词时，表语从句的谓语要用“should +do，其中should可省，表示虚拟。K巩固内化用适当的连接词填空The problem is whether we can find them there.This is where Mary met her husband for the first time.This is why we put off the meeting.This is how weve dealt

8、with the economic crisis.K巩固内化2D选词填空(what/that)My hometown is no longer what it used to be.This is what I should have done first of all.(3)What surprised me most was that the thin girl should have won three gold medals.(4)All I know is what I read in the papers.The fact his parents dont know is that

9、 he doesnt really try.K巩固内化3补全句子David was injured in the training.That was why he didnt take part in the Olympic Games.大卫在训练中受伤了，那就是他没有参加奥运会的原因。Thats why I was getting married.这就是我为什么结婚的原因。He did not see the film last night.That is because he had to help his little sister with her homework.昨天晚上他没有去看

10、电影。那是因为他得帮他的妹妹做作业。The reason why he was absent from the meeting is that he was ill.他缺席会 议的原因是他病了。K巩固内化4D单句语法填空He talks about Paris as if he had been (be) there before.John pretends as if he didnt knowfnot know) the thing at all.I felt as if my head were (be)splitting.It looks as if it is going to ra

11、in.Manette stood aside with the lamp in his hand as if he were (be) a statue.It looks as if she is (be) really ill.He opened his mouth as if he would say (say) something.K巩固内化5补全句子The doctor5s advice was that you (should)give up smoking.医生的建议是你应该戒烟。My suggestion is that we (should) get more people t

12、o attend the conference. 我的建议是让更多的人来参加会议。课堂实践应用伽1IIIIIIHIIIIIIIIIIIIIIIIMIIIIIIIIIIIIIIIIIIIIIIIIIIIIII语言内化稳步提能I .单句语法填空l.She loves the boy as though/as if she were (be) his mother.2.His desire is that he (should) travel (travel) in space in Shen Zhou X.3.My recommendation is that you (should) take

13、(take) over his position.4.He just receives little education but he acts as if he were (be) really a scholar.5.1s that why you dont want to go home?6.She looks so happy.Thafs because she has won the competition.7 .The reason why I fell asleep so quickly is that I was tired.8 .He acted as though he h

14、ad known(know)nothing about it.9 .The point at issue is whether we go to the party.10 .This is where I worked with my parents one year ago.n .补全句子.This is where our problem lies.这就是我们的问题所在。1 .The reason why you failed is that yog lack conEdence in yourself.你失败的原因是对自己缺乏信心。2 .Clouds are gathering.lt s

15、eems as if/though it is going to rain.云在聚集。天好像要下雨了。3 .The last time we had great fun was when we were visiting the Water Park. 我们最后一次痛快地游玩是我们参观水上公园的时候。4 .The fact that they arrived a long time before Europeans is what matters. 重要的是他们远比欧洲人来得早。5 .Everythingin my childhood crowded upon my mindas ifVthough they had just happened.我童年的一切一下子都涌进了我的脑海，仿佛刚刚发生的一样。6 .His demand is that we (should) finish our task in a week.他要求我们一周内完成任务。8.1t seems as if/though M were spring already.看起来好像已经是春天了一样。