SectionⅡDiscoveringUsefulStructuresGrammar——定语从句(Ⅱ)[新知导引]诵读下列例句并感知画线部分的共性1.Therearemanyreasonswhythishasbeenpossible,butoneofthemainfactorshasbeentheChinesewritingsystem
2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywhereChinesewritingsystembegantodevelopinonedirection
3.ItoldmymumthatIwantedtogiveup,andthatIwouldneverliveinacountrywhereGermanwasspoken
4.Ifinallyunderstoodthereasonwhymymumhadencouragedmenottogiveup
5.ThenIsawanadvertisementthatofferedawonderfulsummercourse,andthatwasthedaywhenIdecidedtotakeonanewlanguage
6.ThetimewhenIfirstmetNelsonMandelawasaverydifficultperiodofmylife
[共性呈现]1.所有画线部分都是关系副词引导的定语从句
2.关系副词when在定语从句中作时间状语(第5、6句)
3.关系副词where在定语从句中作地点状语(第2、3句)
4.关系副词why在定语从句中作原因状语(第1、4句)
[语法精释]一、关系副词引导的定语从句关系副词的指代及功能关系副词先行词功能when表示时间的名词时间状语where表示地点的名词地点状语wh