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1、Relativeadverbs:when,where,why指代内容所做成分是否可省略whenwherewhy关系副词的用法不可省略时间地点原因状语状语状语Weusetherelativeadverbwhentobeginattributiveclausesafternounsliketime,moment,day,season,year,etc.Doyourememberthedaywhenweleftyouincharge?你还记得我们让你负责的那一天吗？我经常想起我看到飞碟的那一时刻。IoftenthinkofthemomentwhenIsaw
2、theUFO.when在定语从句中作时间状语，先行词往往是表示时间的名词。相当于介词+which。若定语从句缺主语或宾语，需用which或that引导定语从句。I’llneverforgetthedaywhenIjoinedtheLeague.I’llneverforgetthetimewhich/thatwasspentwithyou.onwhich2.Weusetherelativeadverbwheretobeginattributiveclausesafternounslikeplace,house,city,country,world,et
3、c.警方搜查了那个小偷待过的房子。Thepolicesearchedthehousewherethethiefhadstayed.上海是他出生的城市吗？IsShanghaithecitywherehewasborn?where在定语从句中作地点状语，先行词往往是表示地点的名词。相当于“介词+which”。若定语从句缺主语或宾语，用which或that引导定语从句。ThisisthehousewhereIlivedtwoyearsago.Thelibrary(which/that)youvisitedyesterdaywasbuiltin1990.in
4、whichwhere引导的定语从句也可以修饰case,condition,situation,instance等先行词。Today,we’lldiscussanumberofcaseswherebeginnersofEnglishfailtousethelanguageproperly.Canyouthinkofasituationwherethiswordcanbeused?Attention:3.Weusetherelativeadverbwhytobeginattributiveclausesafterreason.我不知道为什么这个房子弄得这
5、么脏。Idon’tknowthereasonwhythehouseissodirty.why在定语从句中作原因状语，相当于forwhich。Doyouknowthereasonwhyshewas late?Thereasonwhy/forwhichherefusedtheinvitationisquiteclear.thereasonwhy…isthat………的原因是……Thereasonwhyheresignedwasthathequarreledwithhisboss.在thereasonwhy…结构中，why引导定语从句，它也可以换为forwh
6、ich.在从句中作原因状语。2.如果关系代词指代先行词reason在从句中作主语、宾语、表语等时，则用that或which。3.thereasonisthat…结构中，只能用that引导表语从句，不要受汉语的影响，误用because。NoteInmoreformalEnglish,when,whereandwhycanbereplacedbyapreposition+which.书房是我经常跟我老爸谈话的地方。Thestudyistheplacewhere/inwhichIoftenhavetalkswithmyfather.“when”or“whi
7、ch”?1.Istillrememberthedays________westayedtogetherinBeijing.2.Istillrememberthedays________wespenttogetherinBeijing.3.Istillrememberthedays________weenjoyedourselvesinBeijing.4.Istillrememberthedays________weenjoyedinBeijing.whenwhichwhenwhich“where”or“which”?5.Thatbluehouseis
8、theplace________Ilivedyesterday.6.Thatbluehouseisthepl
