Unit 5 定语从句(2)关系副词课件-2022-2023学年高中英语（人教版2019必修第一册）

Book1Unit5Grammar

TheAttributiveClause(II)----theusageoftherelativeadverbial定语从句2---关系副词Step1Enjoyavideo.TitanicsailedtotheAtlanticwheretherewasabigiceberg.Titanichitanicebergatmidnightwhenpeoplewereasleep.ThereasonwhyTitanichitanicebergwasthatthecrewweretoocareless.wherewhenwhytherelativeadverbials定语从句中关系副词有：

when,where,why关系副词在定语从句中所作成分：__________

________作地点状语________作时间状语________作原因状语状语wherewhenwhy1.关系副词whereJackandRosedanceandlaughhappilyinthethirdclass_______theyfellinlovewitheachother.Thearchaeologist(考古学家)foundthediamondnecklaceintheplace________theboatsank.wherewhereThetime_______Ttitanicwouldhitabigicebergwasapproaching.Rosewillneverforgettheday______Jacksankintothesea.whenwhenThereason______Titanichittheicebergwasthatthecrewweretoocareless.Thereason_____thearchaeologistsearchedforTitanicwasthatthenecklaceisveryvaluable.whywhy关系副词引导定语从句中的作用

1.引导定语从句2.在定语从句中充当状语3.指代先行词

when的先行词一般为表示时间的名词

where的先行词一般为表示地点的名词

why的先行词一般为reasonJackandRosedanceandlaughhappilyinthethirdclasswheretheyfellinlovewitheachother.Thearchaeologist(考古学家)foundthediamondnecklaceintheplacewheretheboatsank.inwhichinwhichwhere引导的定语从句修饰表示_____的名词，并在定语从句中作__________，相当于“介词+________”。地点地点状语whichThetimewhenTtitanicwouldhitabigicebergwasapproaching.RosewillneverforgetthedaywhenJacksankintothesea.atwhichonwhichwhen引导的定语从句修饰表示________的名词，并在定语从句中作_______________，相当于“介词+________”。时间时间状语whichThereasonwhyTitanichittheicebergwasthatthecrewweretoocareless.ThereasonwhythearchaeologistsearchedforTitanicwasthatthenecklaceisveryvaluable.forwhichforwhichwhy引导的定语从句修饰先行词_______，并在定语从句中作_______________，相当于“______+________”。原因原因状语forwhichSummary关系副词：whenwherewhy

关系副词指代在定语从句中担任成分相当于介词+whichwhenwherewhy时间时间状语at/in/on/during...which地点地点状语in/at...

which原因原因状语forwhichStep2Practice.Usetheproperrelativestofillintheblanks.(1)Thisistheplace_______heworks.Thisistheplace______________wevisitedlastyear.(2)Thatwastheday_______hearrived.Doyoustillremembertheday_____________wespenttogether?(3)Thisisthereason_______heleft.Thereason___________hegaveuswasquitereasonable.wherethat/whichwhenthat/whichwhythat/which选择定语从句的关系词一定要看先行词在从句中所做_____。当先行词在从句中作状语，则选择相应的关系_____。当先行词在从句中作主语,宾语或表语,则选择相应的关系_____。成分副词代词Step3Task.

Fillintheblanksandanalyzewhichclausestheyare.1.Titanicwassailing______ithitabigiceberg.2._______TitanicsailedtotheAtlantic,ithitabigiceberg.3.Titanichitabigicebergatthetime_______peoplewereasleep.4.Atfirst,peopledidn'tknowthereason________Titanichittheiceberg.5.Atfirst,peopledidn'tknow_______Titanichittheiceberg.whenWhenwhenwhywhy6.Titanicsailedtotheplace_______therelayabigiceberg.7.Titanicwillnevergoback_______itcamefrom.8.ItwasintheAtlantic________Titanichitabigiceberg.9.Itwastheiceberg_______Titanichit.10.Itwastheplace________Titanicsank.11.Thecrewweretoocareless.Thatwasthereason_______Titanichitabigiceberg.12.Thecrewweretoocareless.Itwasforthereason_______Titanichitabigiceberg.wherewherethatthatwherewhythat定语从句与状语从句的区别：where引导的定语从句前，必须要有表示地点的名词，而地点状语从句前没有；when引导的定语从句前，必须要有表示时间的名词，而时间状语从句没有；why引导的定语从句前，必须要有thereason做先行词，而why引导的其他从句没有。Summary

定语从句与强调句的区别：（1）定语从句中的that/who充当主语或宾语成分，而强调句的that并不充当成