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grammartheattributiveclause定语从句句子成分与结构句子成分与结构主语+谓语（不及物动词）主语+谓语（及物动词）+宾语主语+系动词+表语定语：用来修饰名词或者代词的成分translation：Whatacleverstudent!Whatacoldday!Whatabeautifulgirl!单个形容词作定语主从复合句（Natureisonething）thatmustbeexperienced.（Thenumberofpeople）whowerekilledorseriouslyinjured（reachedmorethan400,000）.定语从句定语从句主句definition（定义）theattributiveclause：在复合句中，用来修饰名词或者代词的句子，叫做定语从句。被修饰的中心词叫先行词引导从句的词叫关系词关系词关系代词关系副词Doyouwantafriendwhomyoucouldtelleverythingto?Ourcitywillopenanewparktohonourthosewhodiedintheterribledisaster.作定语从句的宾语作定语从句的主语Sheisnotthegirlthatshewas.Thefilmwhichwesawyesterdayisinteresting.Workersbuiltsheltersforthosewhosehomeshadbeendestroyed.作定语从句的表语作定语从句的宾语在定语从句中作定语关系代词who,whom,that指人which，that指物whose：...的在从句中充当主语，宾语，表语在从句中作定语Buttheonemillionpeopleofthecity,whothoughtlittleoftheevents,wereasleepasuaualthatnight.ItwasfeltinBeijing,whichismorethantwohundredkilometersaway.非限定性定语从句：先行词与关系词之间有逗号隔开的定语从句只用that的情况IwilltellyouallthatIknow.IsthereanythingthatIcandoforyou?当先行词是something，everythinganything，all，much，little等不定代词并且指物时，用thatThisisthefirstmoviethatIhaveseen.It'stheonlydictionarythatIhaveseeninthebookstore.ThisisthebestfilmthatIhaveseen.当先行词受形容词最高级，序数词，theonly，thevery，just修饰时，用thatTheytalkedaboutthingsandpersonsthattheyrememberedinschool.当先行词既有人又有物时，关系代词用that只用which不用that的情况引导非限定性定语从句关系代词前有介词，介词+whichThisisthehouseinwhichheoncelived.当先行词本身是that时Don'tdothatwhichnoonelikes.只用who不用that的情况Theparkwillalsohonourthosewhohelpedthesurvivors.those作先行词，且指人先行词是指人的不定代词all,noonenobody,anybody,everybody,everyone,theone,anyone时Thestudentistheonewhoispraisedbyeveryone.