GRAMMARAttributiveClauseswithRelativeAdverbsorPrepositionsPage54Weuserelativeadverbs(关系副词)where,when,whytojoinsimplesentencestogetherwhenwemeanatthatplace,atthattimeorforthatreason.注意：此时定语从句中不可再出现表示地点的词。Thisisaplace.TheSoundofMusicwasbornthere.Thiswasaplace.Anearthquakehappenedthere.case(情况)situation(形势)occasion(场合)point(地步)做先行词时，定语从句也用where引导。Thisisacase(情况).Oneneedstobebraveinthecase.Ihavecometothepoint(地步).Ican’tstandhimatthepoint.when做关系副词。先行词是表示时间的名词，在定语从句中做时间状语时，定语从句用关系副词when引导。Thisisatime.TheWorldWarTwobrokeoutthen.why作关系副词。当先行词是reason,在定语从句中做原因状语时，定语从句用关系副词why引导。CanyoutellmethereasonwhythebigfirebrokeoutinRussia?1.Theywenttoamuseum.Anewmodelplanewasonshowinit.2.Wevisitedahouse.Luxunwasborninthehouse.3.Therecameaday.Therainfellatlastthen.4.Thisisthehour.Theplaceisalwaysfullofwomenandchildrenthen.5.Thisisthereason____hewaslate.A.thatB.whichC.whyD.when4.Heisaboss.Iworkforhim.Sometimesweputaprepositionbeforearelativepronountojointwosimplesentences.介词+关系词引导定语从句1.whom,which作介词宾语时，介词一般可放在关系代词之前，也可放在原来的位置上；但是在含有介词的动词固定词组中，介词只能放在原来的位置上。Thisisthepersonwhomyouarelookingfor.=Thisisthepersonforwhomyouarelooking.当这类句子中的介词放在从句的末尾，这时关系代词可用that、who、which、who,也可省略。Thisistheperson(whom/that/who)youaregoingtoworkwith.Thisisthehouse(which/that)helivesin.When=介+whichwhere=介+whichwhy=forwhich注意：如何选用结构中的介词⑵根据先行词的搭配习惯thedayonwhichIjointheleague.IstillrememberthedaysduringwhichIlivedinthecountry.theyearsinwhichIstayedthere.Helikeslivingalone,andsaysthathewantstogoandliveinaplace_____nobodyknows.A.whereB.thatC.whenD.what时间名词一定要用when引导定语从句吗？thereason后一定要用why引导定语从句吗?关键是看定语从句是否缺主语或宾语，若缺主语或宾语则用关系代词，若不缺主语或宾语则用关系副词。(1)Thisistheroom___Ilivedtenyearsago.A.thatB.whereC.whoD.what(3)Thisistheroom_____Iboughttenyearsago.A.thatB.whereC.whoD.what(4)Thisistheroom____Ivisitedtenyearsago.A.thatB.whereC.whoD.what(3)Thisistheyear______Iwasborn.A.whichB.whenC.onwhichD.thatApplyingtherule4)Yangliweisawtheearthwhereweliveinspace.(onwhichwelive)(which/thatweliveon)2.Answers3.Corr