定语从句定语从句(AttributiveClauses)在句中做定语,修饰名词或代词,它的作用相当于一个形容词,因此也叫形容词性从句。被修饰的名词或代词叫做先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出。Forexample:Thisisabookwhichtellsaboutaboyandarobot.先行词关系代词定语从句关系代词有:who,whom,whose,that,which等。关系副词有:when,where,why等必考内容一、定语从句考点:(五大考点,每年必考)(1)考点1:定语从句的本质(2)考点2:用关系代词还是关系副词(3)考点3:关系代词和关系副词的特殊情况(4)考点4:在“介词+which/whom”的结构中,介词的选择(5)考点5:非限制性定语从句试比较Doyoustillremembertheday___which___wespentourholidayhappilytogether?Doyoustillremembertheday_when_wespentourholidayhappilytogether?如何判定用关系代词还是用关系副词1、找出定语从句中是否主语和宾语都齐全。如齐全用关系副词。用什么关系副词看先行词。Iwillneverforgetthedays______Istayedwithyou).when____JurassicParkisaboutapark______(averyrichmankeepsdifferentKindsofdinosaurs).___________where1958wastheyear______(Spielbergmadehisfirstrealfilm).__________Pleasegivemethereason_____(youmadesuchagreatsuccess).________whenwhyMorningisthebesttime______(youpractisereadingaloud)._________whenDoyourememberthelake_____(youfirstmetyourgirlfriend.)___________where2、如定语从句中缺宾语,确定定语从句的谓语动词是不是及物动词,如是,用关系代词,如不是,用关系副词。Yesterdaywewenttovisitthehouse______(thegreatwriterusedtolive)._______whereinwhichThehouse______(theybuiltin1987)stayedupintheearthquake.whichthat/______Luckilynoneofthepeople_____(Iknow)werekilledintheearthquake.whowhomthat/_____Myfatherwasbornintheyear______(theSecondWorldWarbrokeout)._________________________inwhichwhen3、如定语从句中谓语结构是被动结构,有主语,则用关系副词。Kunmingisabeautifulplace______(flowersareseenalltheyearround).whereOctober1stistheday________(newChinawasfounded).whenThewindow(______wasopenedthismorning)hasbeenbroken.WhichthatThemeeting(______willbeheldnextweek)isveryimportant.Whichthattrueorfalse?ThisisthemountainvillagewhereIvisitedlastyear.IwillneverforgetthedayswhenIspentinthecountryside.Thisisthemountainvillage(which)Ivisitedlastyear.I'llneverforgetthedays(which)Ispentinthecountryside.Thisisthereason________hewasabsent.Thisisthereason_______canexplainhisabsence.A.whichB.whyC.whenD.inwhichba