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1、1.关系代词和关系副词的选用如果先行词是表示时间或地点的名词,不能就一律断定要用关系副词when或where,务必要看引导词在从句中作什么成分,如果作状语,用关系副词,如做主语或宾语要用关系代词。当reason做先行词时,也需注意其引导词在从句中作什么成分,不能断定一概用why来引导。如:I’llneverforgetthetimewhenweworkedtogether.我将永远不会忘记我们一起工作的时光。(work是不及物动词,when在定语从句中作状语,故用关系副词。)I’llneverforgetthetime(which/that)wespenttogether.我将
2、永远不会忘记我们一起渡过的时光。spend是及物动词,which/that在定语从句中作宾语,故用关系代词,也可以省略。)Thisisthefactorywhereheworkedbefore.这是他以前工作过的工厂。(work是不及物动词,where在定语从句中作状语。)Thisisthefactorywhich/thathevisitedbefore.这是他以前参观过的工厂。(visit是及物动词,which/that在从句中作宾语,亦可省略。)ThereasonwhyIwasabsentyesterdaywasthatIwasill.我昨天缺席的原因是我生病了。定语从句中
3、缺状语,表示原因,故用关系副词why)Thereasonthatheexplainedforhisbeinglatewasthathehadmissedtheearlybus.他所解释的迟到的原因是他误了头班汽车。(explain是及物动词,that在从句中作其宾语)再看一个例题:(1)Thisisthefactory________Ivisitedlastyear.(2)Thisisthefactory_______Iworkedlastyear.(3)Thisisthefactory_______producesallkindsofTVsets.A.whereB.which
4、C.whomD.whose以上三个句子只有细微的差别,但答案却不同:(1)和(3)选B.which。(2)选A.where。做这种题时,要看先行词与定语从句中谓语动词之间的关系;(1)中是动宾关系,即Ivisitedthefactory,因此选which。(2)中factory应在定语从句中作地点状语,即:Iworkedinthefactory,因此选where。(3)中是作定语从句中的主语,不作地点状语,因此选which。特:引导非限制性定语从句的关系代词,指人时用who,whom,whose,指物时用which,whose;关系副词when,where,why,etc.1.
5、Hestudiedhardatschoolwhenhewasyoung,whichleadstohissuccessinhislaterlife.2.Tom'sfather,whoarrivedjustnow,isafamousscientist.3.Theysetupaseparatestateoftheirown,wheretheywouldbefreetokeepNegroesasslaves.4.Hewasproud,whichhisbrotherneverwas.that:可指人或物;在定语从句中作主语,宾语,表语。(指人时,相当于who或whom;指物时,相当于wh
6、ich)(一般不用于非限制性定语从句;不可置于介词后作宾语)★只能用“that”的情况★●that&which:在定语从句中,which和that在指代事物时,一般可以互换使用,但并非在任何情况下都是这样,这里介绍宜用that,而不宜用which的情况.①先行词为不定代词,all,much,something,everything,anything,nothing,none,theone等,1.Weshoulddoallthatisusefultothepeople.2.There'snothingthatcanbesaidaboutit.3.Doyoumeantheoneth
7、atwasboughtyesterday?②先行词被only,any,few,little,no,just,very,oneof等词修饰时。1.Theonlythingthatwecoulddowastowait.2.That'stheverywordthatiswronglyused.Thelastplace(that)wevisitedwasthechemicalworks.Youcantakeany(=whichever)seatthatisfree.Ihopethelittletha