资源描述：
《高三英语：Unit3 Planning for the perfect wedding-grammar课件（1）（牛津上海版S3A）.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、定语从句TheAttributiveClause定义:定语从句是起定语作用,修饰名词或代词的从句。被修饰的名词或代词称为先行词。定语从句一般位于先行词后。定语从句往往用关系副词和关系代词引导，关系词在定语从句中担任某种成分。Ishethemanwho(that)wantstoseeyou?Thenumberofpeoplewho(that)werekilledorinjuredreachedmorethan400,000.Thearmyorganizedteamstodigoutthosewho(that)weretrappedandtobu
2、rythedead.Heisthemanwhom(that/who)Isawyesterday.Yourspeechwasheardbyagroupoffivejudges,allofwhomagreedthatitwasthebestonethisyear.Ahugecrackthat(which)waseightkilometerslongandthirtymeterswidecutacrosshouses,roadsandcanal.Doyoulikethebookthat(which)youborrowedyesterday?Plea
3、sepassmethebookwhosecoverisgreen.Workersbuiltsheltersforsurvivorswhosehomeshadbeendestroyed.Usages关系代词先行词主语宾语定语人whothat(whom)(who)(that)whose物whichthat(which)(that)Whose=ofwhich指人做主语，who与that的区别一般情况都可以互换，但在下列情况下A.只用who不用that当先行词是those,she,hethey,one(s),anyone等代词时。一个从句中有两个定语
4、从句，其中一个是that，另一个用who。当先行词有较长的定语时，用who。主句以therebe引导B.只用that不用who先行词是who，或who引导的主句。先行词在定语从句中做表语e.g.Sheisn’tthegirlthatshewas10yearsago.指人做主语，who与that的区别指物做主语，which和that的区别一般情况都可以互换，但在下列情况下A.只用that不用which先行词是形容词最高级，或被最高级修饰时先行词是序数词，或被序数词修饰时主句已有疑问词which时先行词既有人又有物时5.先行词是all,much,
5、little,something,everything,anything,nothing,none,theone等代词时6.先行词被only,any,few,little,no,all,oneof,thesame,thevery等修饰时7.有两个定语从句，其中一个用which,另一个用that指物做主语，which和that的区别B.只用which不用that非限制性定语从句限制性定语从句（1）关系词前有介词（2）如果有两个定语从句，其中一个用that，另一个用which做宾语时，往往可以省略但是做介词的宾语，且介词提前，即结构是“介词+关系
6、代词”时指物只能用which，指人只能用whomMandelawastheblacklawyertowhomIwentforadvice.Hewasgenerouswithhistime,forwhichIwasgrateful.Thepartsoftowninwhichtheyhadtoliveweredecidedbywhitepeople.定语从句的辨认与使用思考步骤：（1）找出先行词a.确定关系代词的人称、数和性b.确定从句位置（一般在先行词之后）（2）确定关系代词在从句中所担任的成（3）确定从句时态引导定语从句的关系副词有when,
7、where与whywhen表示时间,其先行词往往是表示时间的名词(如day,hour,year,date等)。where表示地点，其先行词往往是地点名词（如place,house,street,area等)。why表示原因，常用在先行词reason后。关系副词在定语从句中做状语ThetimewhenIfirstmetNelsonMandelawasaverydifficultperiodofmylife.TheschoolwhereIstudiedforonlytwoyearswasthreekilometresaway.Thiswasati
8、mewhenonehadgottohaveapassbooktoliveinJohannesburg.ThedaywhenNelsonMandelahelpedme
