定语从句概述课件-2022-2023学年高中英语人教版（2019）必修第一册

ABriefIntroductionofAttributiveClause1.了解定语从句的概念2.了解定语从句中的先行词及关系词3.了解限制性定语从句与非限制性定语从句的区别Teachingaims：2018Anattributiveclauseisaclausemodifyinganounorpronouninacompoundsentence.Eg.ThepersonwholivedinasmallhutintheforestsavedSnowWhite.Antecedent先行词whoAttributiveclause定语从句：Relative关系词Whatisanattributiveclause?1.连接作用2.在从句中充当成分放置于名词之后，修饰名词的从句Antecedent:Thewordbeingmodifiedbyanattributiveclauseiscalledtheantecedent.Relative:Thewordthatisusedtointroduceanattributive clauseiscalledarelative,andarelativecan connecttheantecedentandtheattributiveclause. Therearetwokindsofrelatives,i.e.relative pronounsandrelativeadverbs.Whatisanantecedentandarelative?relativepronounsincludingwhich,that,who,whom,whose,as,etc.Relativesrelativesincludingwhere,whenandwhy,etc.relativeadverbs关系代词：在定语从句中作主语、宾语、定语和表语关系副词：在定语从句中作状语1.Theplaneisamachinethat/whichcanfly.2.Theschoolthat/whichhevisitedlastweekistothesouthofthecity.3.Thegirlthat/who/whomwesawyesterdaywasJim’ssister.4.Thisisthewriterwhosenameisknownallovertheworld.5.Asisknowntoall,youcan'tjudgeabookbyitscover.S.Whatcanrelativesbeusedas?O.O.attributeS.6.WeadmirevolleyballplayersandtheirteamthatmadeacontributiontoourChina.7.ThetimewhenIfirstmetNelsonMandelawasaverydifficultperiodofmylife.8.TheschoolwhereIstudiedforonlytwoyearswasthreekilometersaway.9.ThisisthereasonwhyIcamehere.S.Whatcanrelativesbeusedas?adverbialadverbialadverbialRestrictiveclauseAddsmoreinformationintothesentenceanddoesn’taffectthemeaningofthemainclause.RelativesAttributiveClauseDefinesitsreferentinthemainclausemorespecificallyandcontributessignificantlytothemeaningofthesentence.Non-restrictiveclause““限制性定语从句非限制性定语从句意义是主句不可或缺的一部分,若省去,主句意义不完整,甚至没有意义起补充说明作用,若省去,主句意义仍完整结构要求不用逗号分开用逗号分