【课件】Unit5Discovering+Useful+Structures课件人教版（2019）必修第一册

B1U5Languagesaroundtheworld

DiscoveringUsefulStructures

To

makemoresentencesStep1.LeadinItwasatimewhenpeopleweredividedgeographically.WhatdoyouknowaboutthewrittenChinese?EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.Therearemanyreasonswhypeoplelearnaforeignlanguage.

WhatdoyouknowaboutthewrittenChinese?ThesewereanimalbonesandshellsonwhichsymbolswerecarvedbyancientChinesepeople.LeaningObjectives

1.To

speakouthowtousewhen,where,whybasedonthegivensentences.2.To

makemoresentenceswithwhen,where,whytostrenthenyourunderstanding.3.Toapplyyouhavelearnedintodifferentsituations.找出定语从句、关系词及关系词在从句中的充当的句子成分。1.Itwasatimewhenpeopleweredividedgeographically.2.EmperorQinshihuangunitedthesevenmajorstatesintooneunifiedcountrywheretheChinesewritingsystembegantodevelopinonedirection.3.Therearemanyreasonswhypeoplelearnaforeignlanguage.4.ThesewereanimalbonesandshellsonwhichsymbolswerecarvedbyancientChinesepeople.状语状语状语状语Step2.ExplorationWhat

can

youfind?关系副词用法whenwherewhy指时间，在定语从句中可以充当状语指地点，在定语从句中作状语指原因，在定语从句中作状语注意：一些表示抽象地点的名词，如point，case，position，condition，situation等用where引导Fillintheblankswithwhen,where,why.1.Icannotforgettheday_______IfirstvisitedtheGreatwall.2.Thisisthehouse________theylivedintheirchildhood.3.Thereason_____Iadmirehimisthatheoftenworkshard.4.Today,we’lldiscussanumberofcases________beginnersofEnglishfailtousethelanguageproperly.whenwherewhywhereFillintheblankswithwhen,where,why.Istillremembertheday______Ibecameavolunteer.2.Thisisthepalace____________wevisitedyesterday.3.Thisisthepalace______wepaidavisityesterday.4.Thatisthereason______Ididthejob.whenthat/whichwherewhyCombinethesesentenceswithwhen,where,why.1．I'llneverforgetthedays.Westudiedtogetherthen.→____________________________________________________________2.Givemeonegoodreason.Ishouldhelpyouforthereason.→_____________________________________________________________3．SheisgoingtoliveinChina.ShehassomeclosefriendsinChina.→_______________________________________________________________________________SheisgoingtoliveinChinawhere

shehassomeclosefriends.I'llneverforgetthedayswhenwestudiedtogether.GivemeonegoodreasonwhyIshouldhelpyou.1.Itwasatimeatwhich(when)peopleweredividedgeographically.2.Therearemanyreasonsforwhich(why)peoplelearnaforeignlanguage.3.Thesewereanimalbonesandshellsonwhich(where)symbolswerecarvedbyancientChinesepeople.4.YesterdaywevisitedtheWestLakeforwhich(where)Hangzhouisfamous.介词+which介词+which=when/wherefor+which=whyWhatcanyoufind?Selectionofprepositions1.Fixedphrases(1)YesterdaywevisitedtheWestLakefor

whichHangzhouisfamous.(2)Heisthestudentfromwhomweshouldlearn.2.Sentencemeaning(1)Doyourememberthedaysonwhichwechattedwitheachotherallnight?(2)Canyourecognizethehouseinwhichyouusedtolivewithyourparents?onthedaybefamousforlearnfrominthehouse介词+which/whom1.Thisisthecamerawithwhich

heoftentakesphotos.2.Theoldwomanwithwhom

youtalkedjustnowisafamousartist.如果指“人”，用“介词＋whom”如果指“物”，用“介词＋which”Whatcanyoufind?1.Iwillneverforgettheday_____whichIjoinedthearmy.2.Doyoulikethesingerabout_________sheoftentalks.3.Themoment_____whichImadethedecisionisexciting. 4.Haveyoufoundthebookfrom______welearntalot?5.Doyouknowthereason_____whichhelostthejob?onwhomatwhichforStep3.PracticeCompleteeachsentencewiththat,which,who,whose,whom,or“/".

Then

translatethesentencesintoChinese.1.Herearesomeofthepeople

______

homesweredestroyedbythetyphoon.2.Theterribleshakingofthebuildingwokeupallthepeople

________

wereasleep.3.Thenextday,peopleputupsheltersintheopen

airusinganything

______

they

couldfind.4.Severaldayslater,mostofthebuildings

______

hadbeendamagedbythehurricane

wererepaired.5.Theinjuredboy

______

motherwaslostinthedisasterwastakentothehospital.6.Thewomanwroteathank-youlettertothesoldierby

______

shewasrescued.7.Isthistheyoung

boy

_______

savedseveralotherstudentstrappedunderbuildings?whosethat/whothatthatwhosewhomthat/whoFillingintheblanks.1．Wevisitedthehouse________thefamousscientistoncelived.2．Thephotoremindedmeofthedays________Iplayedhide－and－seekwithmybrotherandIstayedforsixyears.3．Itwasaperiod________theyhaddiscussionveryfrequently.4．Theproblemhascometoapoint________everyonehasdifferentopinionsanditisdifficulttoreachanagreement.wherewhenwhenwhere6．Oneofthereasons______hewasrefusedintheinterviewwasthathisspokenEnglishwasterrible.7．I'llneverforgetthetime_____________wespenttogetherinthevolunteerorganization.8．I'llne