Unit5NelsonMandelaPeroid5GrammarTheAttributiveClauseⅡTheAttributiveClauseⅡTheAttributiveClause2--RelativeAdverbs关系副词:在定语从句中,当表示时间、地点、原因的名词作先行词时,且先行词在定语从句中作状语,应用关系副词when,where,why.关系副词的用法关系副词指代先行词在从句中的成分When(=at/in/on/during等介词+which)Where(=in/at等介词+which)why(=forwhich)表时间时间状语表地点地点状语表原因原因状语关系副词-----when,where,why1.when表示时间,其先行词往往是表示时间的名词(如:time,day,year,week,month,morning,evening等),在从句中作时间状语when可换成“at/in/on/during等介词+关系代词”。e.g.Istillrememberthedaywhen(=onwhich)IfirstcametoNanjing.Myfatherwasbornintheyearwhen(=inwhich)WorldWarbrokeout.Ⅱ2.where表示地点,其先行词往往是表示地点的名词(如:place,room,house,hotel,school,city等),在从句当中作地点状语。when可换成“介词+关系代词”。如:•Thisisthefarmwhere(=onwhich)weworkedwhenwewereyoung.•Myfatherwasbornintheplacewhere(=inwhich)WorldWarbrokeoutⅡ.3.why表示原因,常用在先行词reason后,表示原因,在从句当中做原因状语,相当于for+whichThereareseveralreasonswhy(=forwhich)theboysshouldbepunished.Tomcouldn’tgivetheteacherthereasonwhy(=forwhich)hewaslateforschool.reason作先行词时关系词的使用reason作先行词时关系词的使用I’mnotclearaboutthereasonforwhichhedidit.whyhediditthathedidit.先行词thereasonforwhichwhythat①Thehousewherehelivesneedsrepairing.②ThereasonwhyJimwashappytohelpMandelawashelpingothers.③ThedaywhenMandelatoldmewhattodoandhelpedhimwasthehappiestdayforJim.下面我们学习一下关系副词when\where\why的用法Thehousewhichhelivesinneedsrepairing.Thehouseinwhichhelivesneedsrepairing.Thehousewherehelivesneedsrepairing.ComparinganddiscoveringThereasonwhyJimwashappytohelpMandelawashelpingothers.ThereasonforwhichJimwashappytohelpMandelawashelpingothers..ThedaywhenMandelatoldmewhattodoandhelpedhimwasthehappiestdayforJim.ThedayonwhichMandelatoldmewhattodoandhelpedhimwasthehappiestdayforJim4.关系副词的用法注意点(1)当先行词为time,表示“次数”时,应用关系词that或省略。如:Thisisthefirsttime(that)thepresidenthasvisitedthecountry.(2)当point,situation,case,position,stage,condition等词作先行词表示“情况,境地,场合”等抽象意思时,其后常由where引导定语从句,where在句中作状语。如:I’vecometothepointwhereIcan’tstandhim.我已经到了无法容忍他的地步了Weareinapositionwherewemaylosealargesumofmoney.我们正处在可能损失一笔钱的境地。Canyouthinkofasituationwherethisphrasecanbeused?你能想到一种使用这个短语的情况吗?小结:关系词的选择1.找先行词2.先行词在从句中作什么成分(1)主语、宾语、表语、定语-----关系代词状语------关系副词(2)先行词前是否需要介词要----关系副词不要----关系代词I’llneverforgetthedays______________weworkedtogether.When/inwhich关系词及其用法小结关系词及其用法小结关系代词指代在定从中省略否whowhomwhosewhichthat人作主语不省人作宾语可省人/物(的)作定语(+n)不省事/物作主语/宾语作宾语时可省人/物作主语/宾语作宾语时可省关系代词在定语从句中作宾语时可以省略that关系副词指代在定从中省略否whenwherewhy介词+which作时间状语介词+which介词for+which作地点状语作原因状语不省不省不省不可以省略辨析辨析whichorwhere/when/whywhichorwhere/when/why在定语从句中作状语还是作主语/宾语在定语从句中作状语还是作主语/宾语whichorwhere/when/whywhichorwhere/when/why1.Thisisthemuseum_______mymotherworked10yearsago.(workedinthemuseum地点状语)Thisisthemuseum_________wasbuiltin1950.(themuseumwasbuild)(museum主语)在定语从...