外研版高一年级(必修3)Module6Non-restrictiveattributiveclauses非限制性定语从句1.ThepoweroftheYangtzeRiver,whichistheworld’sthirdlongestriver,hasbeenharnessedbytheThreeGorgesDam.世界第三大长河---长江的能量已经被三峡大坝转化为了动力。Translation(注意定语从句)2.TheThreeGorgesDam,whichisthebiggestconstructionprojectinChinasincethebuildingoftheGreatWallandtheGrandCanal,hasbeenbuilttocontrolfloodingandprovidehydro-electricpowerforthecentralregionofChina.继长城和大运河之后，最大的建筑工程—三峡大坝被建造以控制洪灾并为华中地区提供电力。定语从句分为限制性定语从句(restrictive)和非限制性定语从句(non-restrictive)两种。限制性定语从句紧跟先行词,与先行词之间一般不加逗号；非限制性定语从句与主句之间通常用逗号分开。1.I’mtakingweight-losspillscalledFat-Less,whicharequitepopularamongyoungwomenhere.2.Mymother,whomyoumetlastyear,keepstellingmenottotakethembecausetheyaredangerous.non-restrictiveattributiveclauses:PracticePractice3.Thenthedoctorfoundsomeoneinyourcountry,whosenameisLiDong,wasanexactmatchforme.4.It’sthesameinChina—manypeople,someofwhomarenotoverweightatall,arealwaysgoingondietortakingweight-losspills,whichareoftendangerous.Differencesbetweentherestrictiveandnon-restrictiveattributiveclauses.DiscussionLookatthefollowingexamplesandtellthedifferencesbetweenthesentences.1.Hisfather,whoworksinBeijing,camebackyesterday.2.Shanghai,whichisinEastChina,isdevelopingquickly.Example1Example1Conclusion1Conclusion1当先行词是地名、人名、世界上独一无二的事物或家庭唯一成员时，通常只用非限制性定语从句修饰。1.Ihaveasisterwho/thatworksinahospital.我有一位在医院工作的姐姐。2.Ihaveasister,whoworksinahospital.我有一位姐姐，她在医院工作。Example2Example2不只一位姐姐只有一位姐姐3.Themagazinesherewhich/thatwhich/thathavenicepicturesinthemwerewrittenbyhim.里面有漂亮图画的那些杂志是他写的。4.Themagazineshere,whichhavenicepicturesinthem,werewrittenbyhim.所有的杂志都是他写的,里面都有漂亮的图画。杂志有两类杂志只有一类Conclusion21.限制性定语从句与先行词关系密切,是先行词不可缺少的部分,如果去掉它，主句意思往往不明确。2.非限制性定语从句是对先行词的补充或说明,去掉它也不会影响主句的意思。1.Thisisthehouse(which/that)weboughtlastmonth.这是我们上个月买的那幢房子。2.Thehouse,whichweboughtlastmonth,isverynice.这房子很漂亮,是我们上个月买的。Example3Example3限制性定语从句非限制性定语从句3.HeseemsnottohavegraspedwhatImeant,whichgreatlyupsetsme.他似乎没领会我的意思,这使我心烦。非限制性定语从句Conclusion31.限制性定语从句可以由关系代词,关系副词来引导，关系代词作宾语时可以省略。2.非限制性定语从句既可修饰先行词,又可修饰整个主句,不可用that引导且关系代词不可以省略。1.Thefamousbasketballstar,___comesfromAmerica,willvisitourschoolsoon.2.Inthosedays,sheusedtogotoMrblack,with_____shehadawonderfultime.3.Iboughtacaryesterday,_____costmealot.whichwhomwhoPractice4.Xi’an,______Ivisitedlastyear,isaniceoldcity.5.HewillcometoseemenextJuly,_____hewon’tbesobusy.6.Theschool,_____Ioncestudied,wasbuiltthirtyyearsago.whichwherewhen7.Johnsaidhe’dbeenworkingintheofficeforanhour,_____wastrue.8.__weallknow,heisgoodatEnglish.Aswhich非限制性定语从句考点归纳：I.as和which引导非限制性定语从句,代替整个主句。1.Aseveryoneknows,Chinaisacountrywithalonghistory.众所周知，中国是一个历史悠久的国家。Example:2.Sheisateacher,asisclearfromhermanner.她是个教师,这一点从她的举止可以清楚地看出。3.Hemissedtheshow,whichwasreallyagreatpity.他错过了演出，这真是很大的遗憾...
