Unit5DiscoveringUsefulStructures课件-高中英语人教版（2019）必修第一册

2022/11/37:32Unit5LanguagesaroundtheworldDiscoveringUsefulStructuresGoalsTolearnattributiveclauseTousecorrectrelativewordsinsentences2022/11/37:321定语从句：是指在复合句中，修饰______或______的从句。2被定语从句所修饰的名词或代词叫做______。3引导定语从句的词叫______

名词代词先行词关系词Lead-in:Review关系代词：whichthatwhowhomwhose关系副词：whenwherewhy2022/11/37:32Rule1:先行词是人，关系词可用___________先行词是物，关系词可用__________2022/11/37:32Rule4:定从之中少定语,_______为你唱一曲；whose指___又指____,所属关系要记住。Rule2:所学关系词中，能在从句中做主语的是___________做宾语的是_________________Rule3:

关系词在定语从句中做宾语时，可以_____

thatwhowhomthatwhich

whothatwhich

whowhomthatwhich

省略

whose人

物2022/11/37:32Underlinetherestrictiveattributiveclausesandcircleantecedents(先行词)andrelativewords.Itwasatimewhenpeopleweredividedgeographically.

2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.3.Therearemanyreasonswhypeoplelearnaforeignlanguage.Whatkindofinformationdoeseachclausecommunicate?Information:atimeforanevent.

Information:alocationforanevent.

Information:areasonforanaction.

2022/11/37:32Itwas

atimewhenpeopleweredividedgeographically.

Itwasatime.Atthattimepeopleweredividedgeographically.Rule1:当先行词为表示时间的名词(如：day,time,week,month,year等)，且关系词在从句中作时间状语，定语从句用when引导。eg1.Istillrememberthetime

whenIwasincollege.eg2.Wewillneverforgettheday

whenweflewatanaltitudeof6000metersinthesky.2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountry

wheretheChinesewritingsystembegantodevelopinonedirection.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountry.InthatcountrytheChinesewritingsystembegantodevelopinonedirection.eg1.Thisisthehotel

wheretheystayed.eg2.Wehavereachedapoint

whereachangeisneeded.当先行词为表示具体地点的名词(如：country,hotel,)或抽象地点的名词(如：point,case,situation,stage,position,condition等)，且关系词在从句中作地点状语，定语从句用where引导。2022/11/37:323.Therearemanyreasonswhypeoplelearnaforeignlanguage.Therearemanyreasons.Becauseofthesereasons,peoplelearnaforeignlanguage.eg1.Thisisthereasonwhyheleftinahurry.eg2.Idon’tknowthereason

whyhedidn’tturntohisfriendsforhelpyesterday.当先行词为表示原因的名词reason，且关系词在从句中作原因状语，定语从句用why引导。2022/11/37:32关系代词与关系副词的选用1a.Doyoustillrememberthedayswhenwe

chattedwitheachotherallnight?(when在从句中作状语)

1b.Doyousillrememberthedaysthat/whichwespenttogetheronthefarm?(that/which在从句中作spent的宾语)2022/11/37:322a.Thisisthehousethat/whichwasbuiltbymygrandfatherfortyyearsago.(that/which在从句中作主语)2b.Thisisthehouse

where

mygrandfatherlivedfortyyearsago.

(where在从句中作状语)3a.Iwon'tlistentothereason

why

youdidn'tdoyourhomework.

(why在从句中作状语)3b.Iwon'tlistentothereasonthat/whichyouhavegivenus.(that/which在从句中作宾语)2022/11/37:32关系代词与关系副词的选用表示时间、地点及原因的名词作先行词时，先行词在定语从句中作状语时，应用_____________；若先行词在定语从句中作主语或宾语时，则应用_____________。方法：分析从句句子成分关系副词关系代词2022/11/37:32Thesewereanimalbonesandshells

onwhichsymbolswerecarvedbyancientChinesepeople.Therewereanimalsbonesandshells.SymbolswerecarvedbyancientChinesepeopleonthem.先行词在从句中做状语时，连接词可以用介词+关系代词来替换关系副词，其中介词的选择和先行词的搭配有关。Thesewereanimalbonesandshellsonwhich

symbolswerecarvedbyancientChinesepeople.

“介词+关系代词”引导的定语从句=where2022/11/37:32介词+关系代词引导的定语从句关系副词when,where,why引导定语从句时，关系副词也可用“介词+关系代词“代替。(1)when可以换成“介词＋which”。(2)where可以换成“介词＋which”。(3)why可以用forwhich来代替。2022/11/37:32介词+关系代词引导的定语从句Itwas

atimewhenpeopleweredividedgeographically.Itwasatime.Atthattimepeopleweredividedgeographically.2022/11/37:32Itwas

atimepeopleweredividedgeographically.

atwhich

EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountry

wheretheChinesewritingsystembegantodevelopinonedirection.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountry.InthatcountrytheChinesewritingsystembegantodevelopinonedirection.2022/11/37:32EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrytheChinesewritingsystembegantodevelopinonedirection.inwhichTherearemanyreasonswhypeoplelearnaforeignlanguage.Therearemanyreasons.Becauseof(for)thesereasons,peoplelearnaforeignlanguage.2022/11/37:32Therearemanyreasons

peoplelearnaforeignlanguage.forwhich单句语法填空1．Wevisitedthehouse________thefamousscientistoncelived.2．Thephotoremindedmeofthedays________Iplayedhide－and－seekwithmybrotherandIstayedforsixyears.3．Itwasaperiod________theyhaddiscussionveryfrequently.4．Theproblemhascometoapoint________everyonehasdifferentopinionsanditisdifficulttoreachanagreement.wherewhenwhenwhere2022/11/37:325．Oneofthereasons______hewasrefusedintheinterviewwasthathisspokenEnglishwasterrible.6．I'llneverforgetthetime_____________wespenttogetherinthevolunteerorganization.7．I'llneverforgettheday________Ijoinedtherobotclub.8．TheUSAisacountry______manydifferentdialectsarespoken.9．Thatw