人教版（2019） 必修第二册 Unit 1 Cultural Heritage Discovering Useful Structures课件(共30张PPT)40.pptx

Unit1DiscoveringUsefulStructures非限制性定语从句【版本：人教册别：必修二】

Tolearnmoreaboutrelativeclauses.Tolearntodescribepeopleorthingsingreaterdetail.

定义用作定语的从句类型关系词AttributiveClausesRestrictiveAttributiveClauses描述主句所涉及的人或物的具体情况，是主句不可缺少的一部分；如省去，主句意义不完整或失去意义。Non-restrictiveAttributiveClauses对主句所描述的人或物提供附加情况，补充说明作用；如省去，主句意义仍完整。relativepronounrelativeadverbthat,which,who,whom,whose,as等when,where,why等

关系代词that指物和人在从句中作主语或宾语which指物在从句中作主语或宾语who指人在从句中作主语或宾语whom在从句中作宾语whose指人和物在从句中作定语as指物在从句中作主语或宾语引导定语从句的关系词关系副词when指时间在从句中作时间状语where指地点在从句中作地点状语why指原因在从句中作原因状语

Nezhawho/thatisacuteboyisborninChengtanguan.Nezhawho/thatisborninChengtanguanisacuteboy.NezhaisborninChengtanguan.Nezhaisacuteboy.先行词关系词定语从句主语Unit1RestrictiveAttributiveClause

?Therecomesatime_____theoldmustgivewaytothenew.?Waterfromthedamwouldlikelydamageanumberoftemplesanddestroyculturalrelics_______wereanimportantpartofEgyptsculturalheritage.?Afterlisteningtothescientists_______hadstudiedtheproblem,andcitizens_________livednearthedam,?Temples...andthenmovedandputbacktogetheragaininaplace_____theyweresafefromthewater.?Notonlyhadthecountriesfoundapathtothefuture_________didnotrunovertherelicsofthepast...?...byUNESCO,whichrunsaprogramme_________preventsworldculturalheritagesitesaroundtheworldfromdisappearing.which/thatwhich/thatwherewho/thatwhich/thatwhenwho/thatStep1:划分主句和从句Step2:找先行词Step3:看从句所缺成分缺主语、宾语、定语选择关系代词(who/that/which/whose/whom)不缺成分，选择关系副词去做状语(when/where/why)

引导定语从句的关系词关系代词that指物和人在从句中作主语或宾语which指物在从句中作主语或宾语who指人在从句中作主语或宾语whom在从句中作宾语whose指人和物在从句中作定语as指物在从句中作主语关系副词when指时间在从句中作时间状语where指地点在从句中作地点状语why指原因在从句中作原因状语

1Lookatthesentencesbelowandunderlinetherelativepronounsandadverbs.Afterlisteningtothescientistswhohadstudiedtheproblem,andcitizenswholivednearthedam,thegovernmentturnedtotheUnitedNationsforhelp.Templesandother