Unit3Languageinusewhich,who引导的限制性定语从句1.which引导的限制性定语从句which引导的限制性定语从句修饰的是无生命的东西,which在从句中可作主语或宾语,作宾语时可以省略。如:Heisreadingabookwhichisaboutwar.他正在读一本关于战争的书。Pleasebringthedictionary(which)Ilentyoulastweek.请把我上周借你的字典带来。2.who引导的限制性定语从句who引导的限制性定语从句用来修饰人,who在从句中作主语或宾语。作宾语时可省略,也可用whom代替。如:ThemanwhoisspeakingatthemeetingisfromHongKong.正在会上发言的那个人来自香港。Shewasthegirlwho(m)youmetattheairport.她就是你在机场遇见的那个女孩。3.that和which的区别that和which都可以指物,一般情况下可以通用。但在有些情况下不能通用。(1)只能用which的情况:①先行词是物时,介词后的关系代词应用which,不用that。如:ThisisthehomeinwhichLuXunoncelived.这是鲁迅曾经生活过的家。注意:若介词不前置,也可用that。如:Theroomwhich/thatweliveinisclean.我们住的房间很干净。②先行词为物,且被that或those修饰时,通常用which。如:ThatbookwhichTomboughtyesterdayisuseful.汤姆昨天买的那本书很有用。(2)在下列情况下,一般用that:①先行词是all,everything,nothing,something,anything等代词时,或者是由no,much,any,every等修饰时。如:Isthereanything(that)Icandoforyou?我能为你做点什么吗?②当先行词被序数词、形容词最高级或theonly,thesame,thevery,thelast等修饰时。如:Hewastheonlyteacher(that)Iknewinyourschool.他是我在你们学校唯一认识的老师。③当先行词前面有who,which等疑问代词时。如:Whoistheboythatwasherejustnow?刚才在这里的那个男孩是谁?④先行词中既有人,也有物时。如:Canyouseeamanandhishorsethatarecrossingthebridge?你能看见一个人和他的马正在过桥吗?①Paul'suncleistheman________taughtusmathlastyear.(2010年广东)A.whereC.whoB.whichD.whenC先行词是theman,指人,在定语从句中作主语,故可用who或that引导。—②Haveyoufoundtheinformationaboutthefamouspeople________youcanuseforthereport?—Notyet.I'llsearchsomeontheInternet.(2010年甘肃兰州)A.whoC.whomB.whatD.whichD先行词是information,指物,且在定语从句中作宾语,故可用which或that引导。③Mynecklaceisnottheonlything________ismissing.A.thatC.whoB.whichD.whomA先行词为物,且前面有theonly修饰,故选A。④Thebuildingin________youliveiscomfortable.A.whichC.whatB.thatD.whoA先行词为物,介词后的关系代词应用which。