新教材人教版英语课件Unit5LanguagesaroundtheWorldPeriod3

Unit5

LanguagesaroundtheWorld

Period3

DiscoveringUsefulStructures语法精析课关系副词和“介词+关系代词”引导的限制性定语从句语法精讲透析【体验·悟】阅读下面课文原句,体会黑体词的用法。1.Therearemanyreasonswhythishasbeenpossible,butoneofthemainfactorshasbeentheChinesewritingsystem.2.Overtheyears,thesystemdevelopedintodifferentforms,asitwasatimewhenpeopleweredividedgeographically,leadingtomanyvarietiesofdialectsandcharacters.3.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.4.Itdatesbackseveralthousandyearstotheuseoflonggu—animalbonesandshellsonwhichsymbolswerecarvedbyancientChinesepeople.【生成·得】(1)关系副词引导的定语从句是指由关系副词_____、______和____引导的定语从句。(2)“_____+_________”引导的定语从句是相当于相应的关系副词引导的定语从句。whenwherewhy介词关系代词【研学·析】Ⅰ.关系副词(when、where和why)引导的定语从句关系副词when、where、why在句中的作用如下:(1)分别指表示时间、地点、原因的先行词;(2)在定语从句中充当时间、地点、原因状语;(3)连接先行词和定语从句。1.关系副词when引导的定语从句其先行词往往是表示时间的名词,且该时间名词与某些介词搭配,在定语从句中充当时间状语。(1)Ican’tforgettheyearwhenIstudiedEnglishinPekingUniversity.(when=__________)

我忘不了我在北京大学学习英语的那一年。(2)(2019·全国卷Ⅱ)Therearetimeswhenyourheartisnotinyourwork.(when=attimes)有些时候,你的心不在工作上。intheyear【点拨迷津】当先行词是表示时间的名词,但是它在定语从句中当主语或宾语时,关系词不用when而是使用that或which。如:Doyourememberthedays(that/which)wespenttogetheronthefarm?你还记得我们一起在农场度过的那些日子吗?2.关系副词where引导的定语从句其先行词往往是表示地点的名词,且该地点名词与某些介词搭配,在定语从句中充当地点状语。(1)(2019·天津高考)Theirchildisatthestage______shecansayindividualwordsbutnotfullsentences.(where=intheage)他们的孩子正处于这样的阶段,她只会说单个的词不会说完整的句子。(2)Thehousestandsattheplace______thetworoadsmeet.(where=attheplace)这所房子坐落在两条路交会的地方。wherewhere【点拨迷津】当先行词是表示地点的名词,但是它在定语从句中当主语或宾语时,关系词不用where而是使用that或which。如:Thisisthehousethat/whichwasbuiltbymygrandfatherfortyyearsago.这是我爷爷四十年前建的那座房子。why(that/which)Ⅱ.“介词+关系代词”引导的定语从句1.该类定语从句中的“介词+关系代词”相当于某个关系副词。具体如下:(1)when或者where相当于“in/on/at/...+which”Thedatewhen(=________)IjoinedthePartywasOctober12.我入党的日期是10月12日。

Thehousewhere(=________)Marklivedisnowalibrary.

马克居住的那座房子现在是一座图书馆。onwhichinwhich(2)why=forwhichThereasonwhy(=_________)hefailedwashislaziness.

他失败的原因是懒惰。2.“介词+关系代词”引导定语从句时,介词的选择有三个原则:(1)根据先行词的搭配习惯确定;forwhich(2)根据定语从句中谓语动词的搭配习惯确定;(3)根据定语从句所表达的意义确定。*Canyouseetheriveracrosswhichthereisabridge?你能看见上面有座桥的那条河吗?【内化·用】Ⅰ.用适当的介词填空

Somehighschoolgraduationclassesmeeteverytenyears.Theyusuallyhavedinners,recallthetimes1.__whichtheywereyoung,andexchangeinformationaboutwhattheyaredoingtoday.Someclasseshavereunionsintheschools2.__whichtheyfirstmet.Othershavetheirreunionsinnicerestaurants.Thereason3.___whichtheymeetregularlyisthattheycontinuetheirgoodrelationshipandfriendship.ininforinwhich/whereinwhichwhere【常温故·勤总结】(1)口诀一:关系副词三弟兄,when,where,why要分清。先行词指有分工,时、地、原因各不同。先行词入定从中,如果作状分得明。关系副词有神通,连接二者显本领。“介词+关系代词”引导的定语从句用法(2)口诀二:介词关代引定从,功能相当关副用。选用介词有规律,一先二动三意义。短语搭配须多记,选好用对勤练习。课时素养达标whenwhywhenwherewhy6.Thetower_____whichpeoplecanhaveagoodviewisonthehill.7.Thecoursenormallyattractsabout100studentsperyear,of______uptohalfwillbefromabroad.8.Thisisthehotelwhere/at______theystayedlastmonth.9.Doyoulikethebook___whichshepaid$10?10.Doyoulikethebook_____whichshelearnedalot?11.Doyoulikethebook_____whichsheoftentalks?fromwhomwhichforfromaboutⅡ.完成句子用关系副词(when/where/why)完成句子1.这就是我们看到那幅名画的博物馆。Thisisthemuseum______________________________.

2.我们生活在一个交流比以前更容易的时代。Weliveinanage_______________________________easilythaneverbefore.

3.他迟到的原因是他起床晚了。Thereason______________wasthathegotuplate.

wherewesawthefamouspaintingwhyhewaslate用介词+关系代词完成句子4.他们找寻的文件已经找到了。Thedocuments__________________________havebeenfound.

5.这就是我们从他那里学了很多东西的老师。Thisistheteacher___________________________.

6.你刚刚和他谈话的那个人是我的英语老师。Theman_______________________justnowismyEnglishteacher.

7.我永远都不会忘记入党的日子。I’llneverforgettheday________________________.

forwhichtheyweresearchingfromwhomwe’velearnedalottowhomyouweretalkingonwhichIjoinedtheParty8.父亲工作的那家工厂在城东。Thefactory______________________isintheeastofthecity.

9.我们都不知道汤姆缺席会议的原因。Noneofusknewthereason_______________________fromthemee