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1、定语从句＊定义＊关系代词、关系副词的用法＊限制性定语从句VS非限制性定语从句＊as引导的定语从句＊常见考点＊解题步骤＊巩固练习在复合句中，修饰某一名词或代词的从句叫定语从句;相当于名词和形容词的作用。被定语从句所修饰的名词或代词叫先行词。连接先行词和从句的词叫做关系代词或关系副词eg:Doyouknowthemanwhospokeatthemeetingjustnow?Thatisthehousewherehelivedtenyearsago.关系代词和关系副词的作用1、引导作用2、替代作用3、在定语
2、从句中担当某个成分的作用eg1Thosewhowanttogopleasesignyournameshere.2Thisisthehousewherehewasborn.3Bill,whowashereyesterday,askedmealotofquestions.关系代词（who,whom,which,that,whose）的指代关系指人指物在定语从句中的作用who√主语（宾语）whom√宾语which√主语宾语that√√主语宾语whose√√定语在限制性定语从句中，当先行词指物时，关系词可用w
3、hich或that，二者常可以互换；但在下列情况中，只能用that，不用which：(1)当先行词是不定代词all,alot,few,much,none,anything,nothing等或被不定代词all,any,no,much,little,few,every所修饰时。Allthatcanbedonehasbeendone.Weheardclearlyeverywordthathesaid.(2)当先行词是序数词或被序数词所修饰时。Thefirstthingthatshouldbedoneisto
4、getthetickets.(3)当先行词是形容词最高级或被形容词最高级所修饰时Isthatthebestthatyoucando?(4)当先行词被thevery,theonly,thenext,thelast等所修饰时。ThisistheverybookthatIwanttofind.(5)当先行词既指人又指物时Shedescribedinhercompositionsthepeopleandplacesthatimpressedhermost.(6)当主句是以which/who开头的特殊疑问句时W
5、hichisthecarthatkilledtheboy?Whoisthegirlthatistalkingthere?(7)在therebe句型结构中ThereisstillapointthatIcan’tunderstand.(8)定语从句中缺少表语时Chinaisnotthecountrythatitusedtobe.在限制性定语从句中，当先行词指人时，关系词可用who(m)或that，二者常可互换。但在下列情况中，用who(m)，而不用that：(1)当先行词是one,ones,any,few
6、,anyone,anybody,someone,somebody,everyone,everybody等词时Hewasamongthefewwhomanagedtolivethroughtheenemyprisoncamp.注：在非正式文体中可以说：You’retheonethatknowswheretogo.(2)当先行词是he,they,those,people,person等词时Hewhowantstocatchfishjustnotmindgettingwet.注：在固定结构的谚语或习语中，可
7、用hethat…Hethatpromisestoomuchmeansnothing.(3)当先行词有较长的后置定语修饰时。Doyouknowthewriterinbluewiththickglasseswhoisspeakingatthemeeting?(4)在分隔式定语从句中，若先行词指人，为了明确修饰关系，应当用who(m)。如：AnewmasterwillcometomorrowwhowillteachyouGerman.Iwastheonlypersoninmyofficewhowasinvi
8、ted.(5)两个定语从句同时修饰一个指人的先行词，第二个定语从句常用who(m)来引导，如：Sheistheonlygirl(that)Iknowwhocanplaytheguitar.关系副词when,where,why的用法关系副词一般都等于一个适当的介词＋which，在从句中作状语。when=in/at/on/during…+whichwhere=in/at/on/…+whichwhy=for+which1Doyoustillrememberth
