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Non-restrictiveAttributiveClause非限制性定语从句contents1.限制性定从与非限制性定从的区别1).意思2).引导词3).关系代词的省略4).先行词5).不定代词/数词+ofwh

ich/whom结构2.限制性定从和非限制性定从小结3.练习请把我桌子上的书递给我。Translate:Pleasepassmethebookwhich/thatisonmydesk.PleasepassmemyChinesebook,which

isonmydesk.请把我的语文书递给我，它在我桌子上。非限制性定语从句是对先行词的附加说明，去掉之后，意思明确，与主句通常用“，”隔开，把非限制性定语从句放在句子中，其前后都需要用逗号隔开。限制性定语从句是先行词不可缺少的部分，去掉之后，主句意思不明确。先行词不唯一，缩小范围，限

定。先行词唯一，没必要限定，为附加说明。1.限制性定从和非限制性定从的区分Ilovemygirlfriend,whoisbeautiful.Ilovemygirlfriendwhoisbeautiful.IloveChina,whichisagreatcountry.IloveChinawhi

chisagreatcountry.Whichoneisreasonable(合理的)?1).意思不同限制性定从关代:that,which,who,whom,as关副:when,where,why=介词+whi

ch关形:whose=ofwhich,ofwhom2).引导词不同___________________________非限制性定从关代:that,which,who,whom,as关副:when,where,why=介词+which关形:whose=ofwhich,ofwhomforwhi

chThecar,whichIboughtlastyear,doesnotwork.Thecar,Iboughtlastyear,doesnotwork.ThecarIboughtlastyeardoesnotwork.Thecarwhich/

thatIboughtlastyeardoesnotwork.3).先行词的省略不同限制性定从中，关系词作宾语，可省略。非限制性定从中，关系词作宾语，也不可省略。TrueorFalse?√√√HuangChudongwonthefirstprizeinpull-upcompetition,

whichsurprisedus.ThePeople'sRepublicofChinahasexisted(存在)for70years,asweallknow.4).先行词不同非限制性定从的先行词可以为整个句子。限制性定从的先行词不可为整个句子。Asweallknow,t

hePeople'sRepublicofChinahasexisted(存在)for70years.Think:1.为什么只能用as或which引导？2.为什么限制性定从的先行词不能为一个句子？2.as或which指代句子时用法有无差别？非限制性定从的先行词

为主句时,只可用as或which引导定从。as位置：可置于主句前、中、后。先行词：通常为整个主句含义：“正如，如同”___________________________which位置：置于主句之后先行词：可以是主句中的一个词、主句的部分内容、甚至整个主句含义：“这，那（件事）”as和

which引导非限制性定从的区别：1.________weallknow,theearthisround.2.Tomwonthecompetition,______wehadexpected.3.Globalwarming,

_____weallknow,hascausedalotofnaturaldisasters.as_____________________________________________________________________4.Theseappletrees,_____Iplanted

threeyearsago,havenotproducedanyfruits.5.Thelazyboygotthehighestscoreinthetest,______surprisedme.6.J

ohnpassedtheexam,_____madehisparentsverypleased.7.Hesaidthathehadneverseenherbefore,____isnottrue.which_____________________________

_________________________________________________________Thestudentsinourclass,manyofwhomarenotbadatMaths,wan

ttoimprovetheirMaths.Chinahas34provinces,someofwhichareprettypoor.5).all/some/many.../数词等+ofwhich/whom为非限制性定从，限制性定从没有这种结构aaaaaa区分点限制性定从非限制性定从限制程度句子结构

（区分标志）that的使用which/who/whom在定从中作宾语可否省略whom在从句中作宾语可否用that/who代替能否修饰句子2.限制性定从和非限制性定从去掉意思不明确不可省略as,which引导无逗号不可使用去掉意思不明确可使用

有逗号不可替代可以省略可替代不能1.LeiyangNo.1HighSchool__________wasfoundedin1902,hasahistoryof117years.Exercises:Filltheblanks.,whichwhich

/that3.LeiyangNo.1HighSchool________Istudiedfor6years,hasahistoryof117years.2.Theschool__________wasf

oundedin1902hasahistoryof117years.,where4.Theschool_________Istudiedfor6yearshasahistoryof117years.where1.Ili

kegirls___________hasblackandlonghair.Exercises:Filltheblanks.who/that3.Ilikethegirlunderthetree_______hasblackandlonghair.2.Ilikegirls________

__hairisblackandlong.whose4.Ilikethegirlunderthetree________hairisblackandlong.,whose,who1.2019_________wetookthe

entranceexamtohighschool,isanunforgettableyearforme.Exercises:Filltheblanks.,when3.2019_________ismyluckyyear,isanun

forgettableyearforme.2.Theyear_______wetooktheentranceexamtohighschoolisanunforgettableyearforme.when4.They

ear__________ismyluckyyearisanunforgettableyearforme.which/that,which1.DoyouknowTom,whowetalkedabout?Trueorfalse

.whom3.TsinghuaUniverstingwhichisthetopuniversityinChinaattractsalargenumberofstudents.2.Thisbook,thatyoucangetatanyshop,willgive

youusefulinformation.which4.TheShenlongSquare,plentyofLeiyanglocalauntiesvisited,wasfoundedinmemoryofShennong.,

which,which5.Whichwehadexpected,hedidnotbelieveus.Trueorfalse.As7.HemetPresidentXi,whoistheleaderofChina.6.HemetPresidentXi,whosurprisedus

.which8.LeiyangNo.1HighSchool,inthatIwillspendmyhighschoollife,liesinLeiyangRiver.inwhich/where____HomeworkFinishtheexerciseson

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