必修一Unit 5 Grammar 定语从句（2）

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1、Unit5Grammar---定语从句（关系副词与介词+关系代词）一、Revision（关系代词）（表一）先行词主语宾语定语人who,thatwhom(who),thatwhose物which,thatwhich,thatwhose,ofwhich二、关系副词的用法(1)定义：关系副词引导定语从句时，既引导定语从句，又在定语从句中充当状语，相当于介词+关系代词。（2）关系副词的表格如下：（表二）关系副词　指代在从句中的作用when(=at/in/on/during/…which)时间 时间状语where(=in/at/…whic

2、h) 地点 地点状语why(=forwhich)原因 原因状语（3）具体用法：1.when表示时间，只能跟在表时间的名词后。相当于on/inwhich1)Tellmethetimewhenthetrainleaves.2)July,when(=inwhich)wecangohomeforarest,iscomingsoon.2.where表示地点，只能跟在表地点或场合的名词后。相当于inwhich（注意：where不在从句中作主语或宾语。）vWhatisthenameofthetownwhere(inwhich)westayed

3、lastnight?vThinkofaplacewhere(inwhich)wecangofordinner.vPleaseleavethebookattheplacewhere(inwhich)itwas.3.why表示原因，通常跟在reason后引导定语从句。相当于forwhichvIdon’tknowthereasonwhy(forwhich)helefthere.vThisisthereasonwhy(=forwhich)hecried.习题演练：用关系副词或关系代词填空。(注意：先行词在定语从句中的成分不同,引导词不同

4、。)1).a.Thereason__hemissedthespeechisthatheforgotthetime.b.Thereason________hegaveussoundedreasonable.2).a.I’llneverforgettheday_____wespenttogetherinParis.b.I’llremembertheday___westayedtogetheratthattime.3).a.Isthisthefactory______wevisitedlastyear?b.Isthisthehouse

5、_______Lincolnoncelived?三、介词+关系代词的用法（1）定义：在定语从句中，介词+关系代词作状语，故有时可相当于一个关系副词。Eg:Thisisthereasonwhy(=forwhich)hecried.（2）相关表格见以上表格二。（3）介词的选择①根据从句中谓语动词/形容词的习惯搭配来选用介词。Eg:ThisisthebookonwhichIspent8yuan.forwhichIpaid8yuan.②根据先行词的搭配习惯来选用介词。Eg:IrememberthedaysonwhichIjoinedth

6、eLeague.thedaysduringwhichIlivedhere.themonthinwhichIstayedthere.③根据从句中动词与先行词的逻辑关系，请体会：e.g.Isthatthenewspaperforwhichyouoftenwritearticles?注意：介词+关系代词中不能有“介词+that”。只有介词+which(指物)，介词+whom（指人）。习题演练：（用介词+关系代词填空）1.Atthetopofthemountainthereisasmallhouse______wecanseethebe

7、autifulscenery.2.Who’stheman___________youshookhandsjustnow?3.Iwillrememberthetime___________Ifirstbecameahighschoolstudent.4.Hedidn’tgivethereason________hewaslate.四．Exercises(一)用适当介词填空。1.Idisagreewiththefacts____whichyourargumentisbased.2.Thisisthehero______whomwea

8、reproud.3.Iwanttofindtheverypen______whichIwrotethatletter.4.Itisimportanttochoosegoodfriends______whomyoucanshareyourfeelingsandth