Book1Unit5NelsonMandela-amodernheroPeriod4Grammar---定语从句修编：巩玉香导学目标学习并初步掌握以where,when,why以及介词+whom/which引导的定语从句的用法。自主学习阅读Page34课文,完成下列句子，体会when,where导的定语从句的用法1.Thetime_______________IfirstmetNelsonMandelawasaveryperiodofmylife.2.Theschool______________Istudiedforonlytwoyearswasthreekilometeraway.3.Howevertherewasatime_________onehadgottohaveapassbooktoliveinJohannesburg.4.Theday_________NelsonMandelahelpedmewasoneofmyhappiest.5.Theplacesoutsidethetowns___________theyweresenttolivewerethepoorestpartsofSouthAfrica.合作探究I.以where,when,why引导的定语从句。观察下面几组定语从句，注意它们的意义、先行词、引导词。品味典例11)WewillneverforgettheyearwhenSARSbrokeoutinChina.2)Istillrememberthedaywhen(=onwhich)Ifirstcametothisschool.3)Istillrememberthedayswhich/thatwespenttogether.归纳探究1归纳:when是关系副词，在从句中作时间状语，其先行词是表示时间的名词，如time,day,hour,week,month,year等。when有时可用介词+which代替。第3)中的thedays在定语从句中作动词spent的宾语。得出结论：如果先行词为“时间名词”，在定语从中作主语或宾语，引导词用that或which。品味典例21)Shanghaiistheplacewhereshewasborn.2)Thisisthehousewhere(inwhich)helivedthreemonthsago.3)Thisistheparkwhich/thattheyvisitedlastyear.归纳探究2where是关系_______词，在从句中作_________语，其先行词往往是表示地点的名词，如place,factory,house,village等。where有时可用_______________代替。第3)中的thepark在定语从句中作动词visited的________语。得出结论：如果先行词为“地点名词”，在定语从句中作主语或宾语，引导词用_________或________。品味典例31)He’sgothimselfintoadangeroussituationwherehe’slikelytolosecontroloftheplane.2)Thelastthirtyyearshaveseenthegreatestnumberoflawsstoppingourrightsandprogress,untiltodaywehavereachedastagewherewehavealmostnorightsatall.(P34,L19-20)归纳探究3：如果先行词为point,situation,stage,condition,spot,case,position等表示抽象意义的名词，常用_______引导定语从句，意思是“到了某种地步，在某种境况中”，在定语从句里作__________语。品味典例41)Isthisthereasonwhyhecamelate?2)Thisisthereasonwhy(forwhich)Ididit.3)Haveyouaskedhimthereasonthatmayexplainhisabsence?归纳探究4：why是关系副词，在从句中作_________语，其先行词是_________。why有时可用forwhich代替。第3)中的thereason在定语从句中作________语。得出结论：如果先行词为reason，在定语从句中作主语或宾语，引导词用_________或________。II.“介词＋which/whom”引导的定语从句品味典例：1)Itwasin1952andMandelawastheblacklawyer________