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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+ofwhich/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,whichisonmydesk.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.IloveChinawhich

isagreatcountry.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+which关形:whose=ofw

hich,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=ofwhi

ch,ofwhomforwhichThecar,whichIboughtlastyear,doesnotwork.Thecar,Iboughtlastyear,doesnotwork.ThecarIboughtlastyeardoesnotwork.Thecarwhic

h/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-upcompe

tition,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,thePeople'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,_____Iplantedthreeyearsago,havenotproducedanyfruits.5.Thelazyboygott

hehighestscoreinthetest,______surprisedme.6.Johnpassedtheexam,_____madehisparentsverypleased.7.Hesaidthathehadneverseenherbefore,____isnottrue.which_

_____________________________________________________________________________________Thestudentsinourclass,m

anyofwhomarenotbadatMaths,wanttoimprovetheirMaths.Chinahas34provinces,someofwhichareprettypoor.5).all/some/many.../数词等+ofwhich/w

hom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__________was

foundedin1902,hasahistoryof117years.Exercises:Filltheblanks.,whichwhich/that3.LeiyangNo.1HighSchool________Istudiedfor6y

ears,hasahistoryof117years.2.Theschool__________wasfoundedin1902hasahistoryof117years.,where4.Theschool_________I

studiedfor6yearshasahistoryof117years.where1.Ilikegirls___________hasblackandlonghair.Exercises:Fillthebla

nks.who/that3.Ilikethegirlunderthetree_______hasblackandlonghair.2.Ilikegirls__________hairisblackandlong.whose4.Ilikethegirlun

derthetree________hairisblackandlong.,whose,who1.2019_________wetooktheentranceexamtohighschool,isanunforgettableyearforme.Exer

cises:Filltheblanks.,when3.2019_________ismyluckyyear,isanunforgettableyearforme.2.Theyear_______wetooktheentranceexamtohighschoolisanunfo

rgettableyearforme.when4.Theyear__________ismyluckyyearisanunforgettableyearforme.which/that,which1.Doy

ouknowTom,whowetalkedabout?Trueorfalse.whom3.TsinghuaUniverstingwhichisthetopuniversityinChinaattractsalargenumberofstudents.2.Thisbook,thatyouc

angetatanyshop,willgiveyouusefulinformation.which4.TheShenlongSquare,plentyofLeiyanglocalauntiesvisited,wasfoundedinmemoryofShennon

g.,which,which5.Whichwehadexpected,hedidnotbelieveus.Trueorfalse.As7.HemetPresidentXi,whoistheleadero

fChina.6.HemetPresidentXi,whosurprisedus.which8.LeiyangNo.1HighSchool,inthatIwillspendmyhighschoollife,liesinLeiyangRiver.inwhic

h/where____HomeworkFinishtheexercisesonPage48-49andPage104.20