高一定语从句语法归纳及练习、语法知识归纳一、基本概念（_）定语从句在复合句中作定语，修饰名词或代词的从句叫定语从句。（二）先行词被定语从句所修饰的名词或代词。一般情况下，定语从句紧跟先行词。但也有因各种原因定语从句与先行词被分割的现象。（三）关系代词和关系副词定语从句的引导词。与先行词关系密切，因此紧跟先行词，并在定语从句中充当一个成分。关系代词有：who,whom,which,that和whose,另外，as也可充当关系代词。关系代词在定语从句中充当主语、宾语、表语和定语。关系副词有：when,where和why。在定语从句中充当状语。二、关系代词的用法（_）基本用法根据先行词的不同，和在从句中所充当的成分不同，选用不同的关系代词如下表：关系词先行词从句成分例句备注关系代词who人主语，宾语Doyouknowthemanwhoistalkingwithyourmother?whom,which和that在从句中做宾语时，常可以省略，但介词提前时后面关系代词不能省略，也不可以用thatwhom人宾语Mr.SmithisthepersonwithwhomIamworkingTheboy（whom）sheloveddiedinthewar.whose人，物定语Ilikethosebookswhosetopicsareabouthistory.Theboywhosefatherworksabroadismyclassmate.that人，物主语，宾语Aplaneisamachinethatcanfly.Sheisthepopstar（that）Iwanttoseeverymuch.which物主语，宾语Thebook（which）Igaveyouwasworth$10.Thepicturewhichwasabouttheaccidentwasterrible.as人，物主语，宾语Heissuchapersonasisrespectedbyallofus.ThisisthesamepenasIlostyesterday.as做宾语一般不省略例如：（注意关系代词在定语从句中所充当的成分）Doyouknowtheprofessorwho/thatwillgiveusaspeechnextweek?（作主语）Ireadareportabouthisnewnovelthat/whichwillsoonbepublished.（作主语）Theplanthat/whichtheyarguedaboutwassettledatlast.（作宾语）Thisisthenewsecretary（who/whom/that）Iwouldliketointroducetoyou.（作宾语）Thesoldierwhoselegswerebadlywoundedwasoperatedonwithoutdelay.（作定语）注意：关系代词在定语从句中充当宾语时可以省略，充当主语时则不能。（见上例③④）（二）关系代词that代替which的一些情况which,that在代替物时，一般可以通用。但在有些情况下，只用thato⑴先行词是最高级形容词或它的前面有最高级形容词修饰时。例如：①Thisisthebestthathasbeenusedagainstpollution.②Englishisthemostdifficultsubjectthatyouwilllearnduringtheseyears.⑵先行词是序数词，或它前面有一个序数词时。例如：①Thisisthelastplace(that)Iwanttovisit.ItisthefirstAmericanmovieofthiskindthatI'veeverseen(3)先行词是all,much,little,something,everything,anything,nothing,none等代词时。例如：①Youshouldhandinallthatyouhave.②Wehaven'tgotmuchthatwecanofferyou.⑷先行词前面有theonly,thevery,any,few,little,no,all,much,every等修饰时。例如：①Theonlythingthatwecandoistogiveyousomemoney.②Thelittlemoney(that)hehadwasstolen.宜用who,而不用that的一些情况(1)先行词是one,ones,anyone时。例如：①Onewhohasnothingtofearforoneselfdarestotellthetruth.②Don,ttellanyoneaboutthenewswhooughtnttoknowit.⑵先行词是those时。例如：①Thosewhowerenotfitfortheirworkcouldnotseethebeautifulclothesmadeofthemagiccloth.其它情况⑴先行词既有人又有物时。例如：①Doyouknowthethingsandpersonsthattheyaretalkingabout?②Thebikeanditsriderthathadrunoveranoldmanweretakentothepolicestation.⑵主句已有疑问词who或which时。例如：①Whichisthebikethatyoulost?②Whoisthewomanthatwaspraisedatthemeeting?与whose有关的问题⑴whose是代词的所有格，它既可以代人也可以代物。例如：①Isawawomanwhosebagwasstolen.②Pleaseshowmethebookwhosecoverisred.⑵当whose表示物与物的所有格关系时，亦可用ofwhich的形式。例如：①Thebuildingwhoseroofyoucanseefromhereisanewrestaurant.tThebuilding,theroofofwhichyoucanseefromhere,isanewrestaurant或—Thebuilding,of...