人教版必修第二册Unit 1 Cultural Heritage Discovering Useful Structures 定语从句复习 课件.pptx

定语从句总复习Unit1CulturalHeritage

第章1定语从句的定义第章2关系代词和关系副词的用法第章3介词+关系代词的用法第章4非限制性定语从句Contents

Templesandotherculturalsitesweretakendownpiecebypiece,andthenmovedandputtogetheragaininaplacewheretheyweresafefromthewater.一个免被水淹的地方关系副词引导的定语从句ThetemplesTheNileObserveandanalyze

WaterfromthedamwouldlikelydamageanumberoftemplesanddestroyculturalrelicsthatwereanimportantpartofEgyptsculturalheritage.大坝流出的水可能会损坏一些寺庙，并摧毁很多作为埃及文化遗产重要组成部分的文物。关系代词引导的定语从句

Afterlisteningtothescientists①whohadstudiedtheproblemandcitizens②wholivednearthedam,thegovernmentturenedtotheUnitedNationsforhelp.①研究了这个问题的科学家②住在大坝附近的民众关系代词引导的定语从句scientistscitizensObserveandanalyze

ThespititoftheAswanDamisstillalivetoday.PerhapsthebestexampleisshownbytheUNESCO,whichrunsaprogrammethatpreventsworldculturalheritagesitesaroundtheworldfromdisappearing.联合国教科文组织，该组织实施了一项计划非限定性定语从句

PartI：Definition定语从句在句子中作定语，修饰名词或代词；被定语从句修饰的词称为先行词；定语从句由关系词引导，分为关系代词或关系副词引导，并在定语从句中担任成分。

先行词在从句中所作成分关系代词人主宾定物主宾定who/thatwho/whom/that/省略whose(=ofwhom)that/whichthat/which/省略whose(=ofwhich)PartII：关系词

先行词在从句中所作成分关系副词whenreasonwherewhy地点名词时间名词时间状语原因状语地点状语Ps:关系词在从句中做状语时,连接词有时可以用介词+which/whom来替换关系副词

判断句子是否为定语从句划出先行词将先行词代入从句，看它在从句中所担任的成分根据先行词在从句中所作成分，得出关系词关系词的确定1.Thatistheboy______motherisafamousmusician.3.Thehouse__________theybuiltin1987wasdestroyedintheearthquake.2.Wedon’tknowthenumberofpeople________losttheirhomesinthe1906earthquake.that/who(which/that)whose4.I’llneverforgettheday_____(=___which)Iwasborn.5.Ivisitedthehouse_____(=__which)LuXunoncelived.6.Thereason_____(=___which)hegotworriedwasthis.whenonwhereinwhyfor

用法区别1.当先行词是all,(a)little,(a)few,much,something,anything，everything,nothing.some等不定代词或者被all,any,much,few,little,no等词修饰时。在下列情况下，关系词用that而不用which。2.当先行词是序数词、形容词最高级或被序数词、形容词最高级修饰时。3.当先行词被thevery/only/same/last