1.定语从句：由一个句子充当定语2.从句的位置：在名词或代词后3.先行词：被定语从句修饰的词4.引导词：引导定语从句的词（关系代词和关系副词)5.引导词的作用：(1)引导定语从句(2)在从句中作一成份(3)代替先行词在从句中的位置作用例句作主语Wevisitedthefactorywhich\thatmakestoysforchildren.Mostmanagerswho\thatarepresentatthemeetingagreedtotheplan.作宾语Thestudentwhom\that\whoyouwanttoseehascome.Theletterwhich\thatIreceivedyesterdaywasfrommyfather.作定语Thegirlwhosemotherisateacherworksveryhard.Theroomwhosewindowswerebrokenwasmine.作状语In1998,hereturnedtothesmalltownwherehegrewup.IstillrememberthedaywhenImethimforthefirsttime.Thereasonwhyhemissedthespeechwasthathedidn’tcatchthebus.关系代词和关系副词的作用引导词关系代词关系副词在定语从句中作主语或宾语主语或宾语宾语主语或宾语定语时间地点原因状语状语状语在从句中作宾语可省去先行词为whothatwhomwhichwhose人物/人人物某人/某物的WhenWherewhy关系代词和关系副词如何区别？1.Thereason_______hemissedthespeechisthatheforgotthetime.2.Thereason____________hegaveussoundedreasonable.3.I’llneverforgettheday____________wespenttogetherinParis.4.I’llremembertheday________westayedtogetheratthattime.5.Thisisthefactory____________wevisitedlastyear.6.Thisisthehouse_________Lincolnoncelived.whythat\whichthat\whichwhenthat\whichwhere7.(1)Hestilllivesintheroom________windowfacestothesouth.(2)Hestilllivesintheroom_________isinthenorthofthecity.whosewhich8.(1)Iwillneverforgetthedays________westudiedtogether.(2)Iwillneverforgetthedays_________wespenttogether.whenthat9.(1)Thereason________hedidn’tcomewasthathewasill.(2)Thereason_________heexplainedisnottrue.whythat10.(1)Wewillmeetatthesameplace________wemetlastmonth.(2)Wewillmeetatthesameplace________wevisitedlastmonth.wherethatwho,that（先行词为人）有区别吗？1.用who不用that的情况：(1)当先行词为one,ones,anyone,those时。(2)当先行词为人称代词时。HewhodoesnotreachtheGreatWallisnotatrueman.Thosewhohaveanydifficultywithpronunciationshouldpractisemore.2.用that不用who的情况：(1)当先行词既是人又是物。(2)当句子出现一个who等。（3）关系代词在定语从句中作表语时。HetalkedalotaboutthethingsandpersonsthathehadrememberedthereWhoisthemanthatspoketoyoujustnow?Maryisnolongerthegirlthatsheusedtobe.which,that(先行词为物）有区别吗？1.只用that不用which的情况：(1)先行词为much,little,few,nothing,none,anything,everything.all等不定代词（2）先行词既是人又是物。（3）先行词为形容词的最高级或序数词。（4）先行词被thevery,theonly,thelast,who等修饰时。Allthatcanbedonehasbeendone.Hespokeofthethingsandpersonsthathehadseenabroad.ThisistheverybookthatIamlookingfor.Whothathassuchahomedoesn’tloveit?（5）关系代词在从句中作表语时Chinaisnolongerthecountrythatitusedtobe.ThisisoneofthebestfilmsthatIhaveeverseen.只能用which的情况:2.引导非限制性定语从句修饰某物或整个句子时只能用which(1)Themachine,whichIhavelookedafterformanyyears,isstillworkingperfectly.(2)Shefailedtheexam,whichmadeherparentsvaryangry.(3)Hesawafilm,whichwasabouttheLongMarch.(4)Myglasses,withoutwhichIwaslikeablindman,felltothegroundandbroke.1.介词前置时关系代词只能用which(先行词为物)Remember:Which在这两种情况下即使在句中作宾语也不能省。填一填比一比Thosewho_________(break)thelawwillbepunished.Anyonewho_________(break)thelawwillbepunished。Heisoneofthestudentsthat__________(come)fromAustralia.Heistheonlyoneofthestudentsthat__________(be)praisedbytheteacheratthemeetingyesterday.关系代词在从句中作主...
