《关系副词定从》PPT课件.ppt

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1、Theattributiveclauseintroducedbywhen,whereandwhy.定语从句中关系副词的用法定语从句中关系副词有：2.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。when,where,why（一）关系副词where引导的定语从句。where引导的定语从句其先行词往往是表示地点的名词。例：Chinaistheonlycountrywherewildpandascanbefound.Thisisthehousewh

2、ereIlivedtwoyearsago.知识拓展：1.关系副词where引导的定语从句可以转换为“介词+which”引导的定语从句。例：Thehotelwherewestayedwasn’tclean.＝Thehotelwestayedwasn’tclean.stayatatwhichThehousewhereLuXunoncelivedisbeingrepairednow.=ThehouseLuXunoncelivedisbeingrepairednow.liveininwhich2.若定语从句的先行词是地点，但

3、定语从句缺主语或宾语，用which或that引导定语从句，而不用where来引导。Thelibraryyouvisitedyesterdaywasbuiltin1990.?that/which3.如果定语从句分别修饰point,situation,stage,condition和case等表示抽象意义的词，常用where引导，意思是“到了某种地步，在某种境况中”。例：I’vecometothepointwhereIcan’tstandhim.【典型例题】1.It’shelpfultoputchildreninasit

4、uation_______theycanseethemselvesdifferently.A.that           B.whenC.which         D.whereD2.Lifeislikealongrace_____wecompetewithotherstogobeyondourselves.A.why          B.whatC.that            D.whereD3.IhavereachedapointinmylifeIamsupposedtomakedecisionsofm

5、yown.A.which        B.whereC.how                  D.whyBwhen引导的定语从句其先行词往往是表示时间的名词。例：ThetimewhenIfirstmetNelsonMandelawasaverydifficultperiodofmylife.（二）关系副词when引导的定语从句知识拓展：1.关系副词when引导的定语从句也可以转换为“介词+which”引导的定语从句。IstillrememberthetimewhenIlivedinthecountryside.

6、IstillrememberthetimeIlivedinthecountryside.duringthetimeduringwhich2.若定语从句的先行词是时间，但定语从句缺主语或宾语，则用which或that引导定语从句。I’llneverforgetthetimeIspentoncampus.I’llneverforgetthetimewasspentwithyou.?that/whichthat/which1.Becauseofthefinancialcrisis,daysaregone_____local

7、5-starhotelscharged6,000yuanforonenight.A.if                    B.whenC.which         D.sinceB（三）关系副词why引导的定语从句。why引导的定语从句其先行词往往是表示原因的名词，如：excuse;explanation;reason等。例：Thereasonwhyhedidn’tcometothepartyisthathedidn’twanttoseeJane.Wecan’taccepttheexcusewhyyouwer

8、eabsent.Thisistheexplanationwhytheyputoffthemeeting.知识拓展：1.关系副词why引导的定语从句可以转换为“for+which”引导的定语从句。ThisisthereasonwhyIdidn’tcomehere.=forwhich2.若定语从句的先行词是reason，但定语从句缺主语或宾语，则用