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1、Theattributiveclauseintroducedbywhen,whereandwhy.—Look!Whatdayisittoday?Whyaretheygettingtogetheragain?—TodayisMarch,12thwhenpeoplegettogethertoplanttrees!----Whereisit?----Itisthebasketballcourt.Itisaplacewherewecanplaybasketballindoors.----ThatisMrs.Greenandshehasaskedforaleaveforhergivingab
2、irthtoherkid.----Thatisthereasonwhyshedoesn’tcometoworkasusual.定语从句中关系副词的用法1.定语从句中关系副词有：when,where,why2.关系副词在定语从句中所作的成份：关系副词在定语从句中都作状语。when作时间状语；where作地点状语；why作原因状语。HerememberedthedaywhenIarrivedinthisbigcity.IwentbacktotheplacewhereIwasbornandgrewup.Pleasegivemethereasonwhyyouwerelatethistime
3、.when作时间状语，意为onthedaywhere作地点状语，意为intheplacewhy作原因状语，意为forthereasonDetailedexplanationwhen指时间，在从句中作时间状语，它的先行词为time,day,morning,night,week,year,moment,period,age等，亦可用“介词+which”替代。我仍然记得第一次坐飞机旅行的时间。我们生活在许多事情可以在电脑做的时代。Wearelivinginanagewhenmanythingsaredoneoncomputer.IstillrememberthetimewhenIfirs
4、ttraveledbyplane.where指地点，在从句中作地点状语。它的先行词通常为place,spot,street,house,room,city,town,country等，亦可用“介词+which”替代。Canyoutellmethecompanywhereheworks?你能告诉我他工作的公司吗？Keepthebooksinaplacewhereyoucanfindthemeasily.请把书放在容易找到的地方。Attentionwhere引导的定语从句还可以修饰表示抽象空间概念的名词，如case(情况),point(地步)situation(情形),position
5、(位置),stage(阶段)…Whataresomesituationswherebodylanguageistheonlyformofcommunication?在哪些情形下身体语言是唯一的沟通方式？why指原因或理由，它的先行词只有reason，在定语从句中作原因状语，亦可用“介词for+which”替代。Canyoutellmethereasonwhyyoudidn’tcometohisbirthdayparty?你能告诉我你没参加他的生日宴会的原因吗？3.并非先行词是表示时间、地点和原因的词时都用when,where,why，若先行词在定语从句中不作状语，而是作主语或宾语，
6、就必须用which或that。Weoftenthinkofthedayswhichwespenttogetherinthecountryside.which在定语从句中作宾语比较:Weoftenthinkofthedayswhenweworkedtogetherinthecountryside.when在定语从句中作时间状语，相当于onthedays。Webelievethereasonthathetoldus.比较:Thereasonwhy/forwhichhewasabsentyesterdayisstillunknown.4.关系副词when,where和why也可用“介词+
7、which”来代替，要注意其先行词(名词）与介词的合理搭配，介词根据先行词或定语从句的谓语动词来确定。when相当于“at/in/on/during+which”where相当于“in/at/on+which”why相当于“for+which”Isthisthedaywhen/onwhichIvisitedthemuseum?Pleaseputtheletteronthedeskwhere/onwhichhecaneasilyfindit.Thisisthereaso
