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(定语从句)概念:在复合句中修饰名词或代词的句子.(Attributiveclause)Maryisabeautifulgirl.Maryisagirlwhohaslonghair.形容词作定语句子作定语,修饰girl,叫做定语从句TheAttributiveClause（定语从句）定语从句所修饰的词叫先行词。学习定语从句的关键是如何选择关联词。由于关系代词在主句与从句间既起到联系作用，又在从句中充当一个成分，因此，要正确判断关系代词在从句中的功能，如作主语还是宾语等。1.Themanisaworker.2.Themanisspeakingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisaworker.Maryisagirl.Maryhaslonghair.合并为一个句子Maryisagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词which,who,whom,whose,thatWhere,when定语从句的用法:当先行词是物时,用which或that引导.Thesearethetreeswhichwereplantedlastyear.当先行词是人时,用who,whom,whose,that引导.指人指物主语宾语thatwhichwhowhom关系代词的用法√√√√√√√√√√√√××××关系代词在从句中可以：何时可以省略？做宾语时可以省略who作定语从句的主语或宾语.Themanwhoisspeakingatthemeetingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语Whom作定语从句的宾语Thewomanwhomtheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语who指人,作主语或宾语(作宾语可省略）ThemanwhoItalkedwithisourteacher.Apersonwhostealsthingsiscalledathief.whom指人,作宾语(作宾语可省略,如介词提前则不能省)Theman(whom/who)InoddedtoisMr.Li.ThemantowhomInoddedisProfessorLi.whose作定语从句的定语.Iknowthegirlwhosemotherisateacher.分解Iknowthegirl.Thegirl’smotherisateacher.作定语whose多指人，也可指物，指物时可与ofwhich互换使用。Whoseisusedinsteadforhis/her/their/its.Thisisthebookwhosecoverisblue.Thisisthebookofwhichthecoverisblue.that可以作定语从句的主语和宾语.注意:关系代词作动词宾语时可省略.Thewoman(whom/that)theywantedtovisitisateacher.Aplaneisamachine.Itcanfly.Aplaneisamachinethatcanfly.Heistheman.Itoldyouabouthim.Heistheman(that)Itoldyouabout.16可编辑which指物，作主语或宾语(作宾语可省略,如介词提前则不能省)Thesearethetreeswhichwereplantedlastyear.Thisrecorder（which）heisusingismadeinJapan.Isthisthelibrary(which)youborrowbooksfrom?Isthisthelibraryfromwhichyouborrowbooks?ThemantowhomInoddedisProfessorLi.如果介词提前，作宾语的关系代词不能省略指物，只用which指人,只用whomIsthisthelibraryfromwhichyouborrowbooks?Isthisthelibrary(which)youborrowbooksfrom?Theman(whom/who)InoddedtoisMr.Li.下列情况只能用that序数词或最高级adj修饰先行词时TomisthecleverestboythatIhaveeverknown.all,everything,nobody等不定代词作先行词时Everythingthatwesawinthisfilmwastrue.1.Ihaveafriend________likeslisteningtoclassicalmusic.who/thatwhich/thatwhose3.Theman______legbrokeinamatchusedtobeafootballplayer.2.YesterdayEmilywaswearingthenewdress__________Igaveher.4.Myparentsliveinahouse__________ismorethan100yearsold.5.Theboywith_______Johnspokeismybrother.which/thatwhom6.Kevinisreadingabook__________istoodifficultforhim.which/that7.Isthereanything________youwanttobuyinthetown.8.All______wecandoistostudyhard.9.Thefirstone_____standsupisalittleboy.thatthatthatWhichbabyisJack?穿红裤子的baby是Jack。ThebabyisJack.ThebabyisJack.whosetrousersareredwhoiswearingredtrousersJackWhichhouseismine?房顶是棕色的房子是我的。Thehouseismine.whoseroofisbrownThehouseismine.ofwhichtheroofisbrownMyhouse填空1Theearthquake____________hitthecityin1906wasthebiggestinAmericanhistory.2Wedon’tknowthenumberofpeople__________losttheirhomesinthe1906earthquake.3Thehouse____________theybuiltin1987stayedupintheearthquake.4Ahouse___________isbuiltonsandmayfalldowninanearthquake.5Luckilynoneofthepeople___________Iknowwerekilledintheearthquake.6people_________studyearthquakesthinksthattherewillbeanotherbigonesoon.which/thatwho/thatwhich/thatwhich/thatwho/whomwho1.这就是救了那个孩子命的医生.Thisisthedoctorwhosavedtheboy’slife.2.正在跑步的那个人是我的叔叔.Themanwhoisrunningismyuncle.3.我喜欢可以随之而唱的音乐.IlikethemusicthatIcansingalongwith.4.住在隔壁的那个女的是一名教师.Thewomanwholivesnextdoorisateacher.when在定语从句中作时间状语，相当于“介词+关系代词（which）”。I’llneverforgetthedaywhenIjoinedtheleague.onwhichwhere在定语从句中作地点状语，相当于“介词+关系代词（which）”。ThisisthehousewhereIlivedtwoyearsago.inwhich==why在定语从句中作原因状语，相当于“介词for+关系代词（which）”。Doyouknowthereasonwhyshewaslate.forwhich=31可编辑