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WhatisAttribute?①Heisanhonestboy.②Weloveourcountry.honestour定语是用来修饰、限定、说明名词或代词的品质与特征的。定语可以由形容词、代词、数词、名词、分词、不定式、介词短语等来担任，修饰名词。(以分词、介词短语为例）例：ThegirlbehindthetreeisKate.Themandrivingtoofastwasadrunk.定语从句在英语中，修饰名词或代词的句子叫定语从句。例：ThegirlwhoisbehindthetreeisKate.Themanwhowasdrivingtoofastwasadrunk.Thewomenthat/whoarespeakingatthemeetingarefamousscientists.(主句)Thewomenarefamousscientists.(从句)Thewomenarespeakingatthemeeting.{主语是复数}关系词判断步骤:首先，要辨别出先行词。如果先行词是指人,关系词可能就用who,that,whom,whose。如果先行词指物,关系词可能用which或that然后，要确定关系词在从句中的成分。请看下表先行词主格宾格所有格人who,thatwho(m),thatwhose物which,thatwhich,thatwhose,ofwhich最后，要确定关系代词的人称和数(请看以上例句)关系代词如何引导定语从句普通代词与关系代词的区别Ihaveasister.SheworksinShanghai.代替sisterIhaveasisterwho/thatworksinShanghai.说明如下Thebuildingisourschool.+Thebuildingstandsbytheriver.=Thebuildingwhich/thatstandsbytheriverisourschool.先行词关系词从句which、that是关系代词，它在从句中代替先行词thebuilding,同时担任从句中的主语，也起连词的作用，把两个简单句连接起来。Thewomanthat/whoisspeakingatthemeetingismymother.(主句)Thewomanismymother(从句)Thewomanisspeakingatthemeeting.{主语是单数}附加部分————关系副词关系副词是用来引导定语从句的，它和关系代词一样，具有数种作关系副词有三种：where:在从句中作地点状语,指代地点.(on/in/at…which)=thatwhen:在从句中作时间状语,指代时间。(on/in…which)=thatwhy:在从句中作原因状语,指代原因。=that关系副词的用法：1.where的用法：(先行词应是地点名词）Thehotelwasn’tclean.+Westayed=Thehotelwherewestayedwasn’tclean.＝Thehotelatwhichwestayedwasn’tclean.＝Thehotelwhichwestayedatwasn’tclean＝Thehotel关系词略westayedatwasn’tclean.atthehotel.从句从句共有五个不同的句子来表达。2.when的用法：（先行词应是表示时间的名词）I’llneverforgettheday.+IjoinedtheLeagueonthatday.I’llneverforgetthedayonwhichIjoinedtheLeague.I’llneverforgetthedaywhenIjoinedtheLeague.从句3.why的用法：(表示原因的名词)ThereasonwhyI’mcallingyouistoinviteyoutoaparty.ThereasonforwhichI’mcallingyouistoinviteyoutoaparty.在口语中,关系副词where、when、why常被that代替,也可省略。定语从句I’veincludedsomephotoswhichwillhelpyoupicturetheplacesItalkabout.I’veincludedsomephotos.ThephotoswillhelpyoupicturetheplacesItalkabout.三大成分which,that,who,whom,whose,where,when,why•Themanusedtobeagoodfootballplayer.Hislegbrokeinamatch.•Theman______legbrokeinamatchusedtobeagoodfootballplayer..Pleaseshowmethebook.Itscoverisred..Pleaseshowmethebook_____coverisred..Pleaseshowmethebook,thecoverof______isred.Pleaseshowmethebook,of______thecoverisred.1).a.Isawsometrees,andtheleavesof_______wereblackwithdisease.b.Isawsometrees,theleavesof______wereblackwithdisease.2).a.Theprofessorisalittleman,onthenoseof______thereisapairofglasses.b.Theprofessorisalittleman,andonthenoseof______thereisapairofglasses解题点拨:是否有连词是区分定语从句和并列句的关键。themwhomwhichhim____高考考点—易混句型1.定语从句与并列句1.I’llneverforgetthedays_____________weworkedtogether.2.I’llneverforgetthedays______wespenttogether.3.Iwenttotheplace______________Iworkedtenyearsago.when/inwhichwhichwhere/inwhich几种易混的情况及物动词4.Iwenttotheplace_______Ivisitedtenyearsago.5.Thisisthereason_____________hewaslate.6.Thisisthereason__________hegave.whichwhy/forwhichthat/which及物动词及物动词1.Thisisall____Iknowaboutthematter.A.thatB.whatC.whoD.whether2.Isthereanythingelse_____yourequire?A.whichB.thatC.whoD.what3.Thelastplace_____wevisitedwastheGreatWall.A.whichB.thatC.whereD.itExercise:that4.Hetalkedhappilyaboutthemenandbooks_____interestedhimgreatlyintheschool.A.whichB.thatC.itD.whom6.Isoxygentheonlygas_____helpsfireburn?A.itB./C.whichD.that7.Whichwasthehotel_____wasrecommendedtoyou?A.whereB.whichC.thatD.it1)a.Itisinthisroom______Ilivedlastyear.b.Itistheroom_______Ilivedlastyear.2)a.Itwasatseveno’clock______hewenttoschoolthismorning.b.Itwasseveno’clock_______hewenttoschoolthismorning.解题点拨：强调句型：Itis/was+被强调的成份+that/who+其它部分;去掉Itis/was….that/who…,句子照样成立;而定语从句的引导词在句中要作成份。thatwherethatwhen３.定语从句与强调句