Unit5Grammar定语从句(非限制性定语从句)一.概述非限制性定语从句得前面往往有逗号隔开,如若将非限定性定语从句放在句子中间,起前后都需要用逗号隔开。TheotherdayImetLiLei,whoseemedtobeverybusy、不久前得一天我碰上李雷了,她好象很忙。Hismother,wholoveshimverymuch,isstrictwithhim、她妈妈很爱她,对她要求很严格。非限制性定语从句与单句得比较Hefailedintheexam、_It_madehisparentsangry、Hefailedintheexam;Itmadehisparentsangry、Hefailedintheexam,_whichmadehisparentsangry、二.非限制性定语从句应注意以下几点:(一)非限制性定语从句中得关系词:1、关系代词如下表所示:指代对象代指人代指物主格whowhich,as宾格whom所有格ofwhom,whoseofwhich,whoseThehouse,______weboughtlastmonth,isverynice、这幢房子很漂亮,就是我们上个月买得。MissHowe,_______youmetinthelibrary,isournewteacher、YesterdayIboughtaT-shirt,________onlycostme18Yuan、Tom’sfather,________isoversixty,stillworksharddayandnight、汤姆得父亲已经六十多岁了,但她仍然从早到晚忙碌地工作。LiMing,________motherhasbeenillfortwodays,isabsentfromschooltoday、Yesterdayshesoldhercar,_______sheboughtamonthago、John’swife,____woksinBeijing,camebackhomeyesterday、注意:非限制性定语从句中关系代词which/whom在从句中作宾语时,不可省略。Thisbook,whichyoucangetatanybookshop,willgiveyoualltheinformationyouneed、这本书会给您提供所有您需要得资料,它在任何一家书店都能买到。ThismorningImetTom,whomIhadn'tseenforages、今天早上我碰见汤姆,我很多年未见到她了。2、关系副词有when与where;关系副词why不能引导非限制性定语从句,要用forwhich代替。YesterdayJimmyleftforCanada,_______hehadstayedtwoyears、昨天,吉米动身到加拿大去了,她曾在那儿呆了两年。ThePeople’sRepublicofChinawasfoundedin1949,_________hewasborn、Ihadtoldthemthereason,__________Ididn’tattendthemeeting、(二)关系代词前介词得选择。1、依据定语从句中动词得习惯搭配来确定Iboughtagreatmanybooks,______whichIspentallmymoneythatIsaved、我买了很多书,这些书花了我所有得积蓄。Thisproject,_______whichIhavedevotedlotsoftime,willbeagreatsuccess、这项工程我投入了很多时间,肯定能成功。2、依据先行词得某种习惯搭配来确定I’llneverforgetthetime,duringwhichIspentmychildhoodinthecountry、我永远不会忘记我在乡村度过得童年时光。Herbag,inwhichsheputallherbooks,hasnotbeenfound、用适当得介词填空:Inthedarkstreet,therewasn’tasingleperson___whomshecouldturnforhelp、Atlastwefoundtheholeinthewall_________whichthemousegotintothehouselastnight、(三)含有“不定代词both/some/any/all/none等或基数词+ofwhich/whom“结构得非限制性定语从句Hehasthreesons,allofwhomarecollegestudents、Thereare51studentsinClassThree,noneof