Unit 4 Discovering Useful Structures 定语从句课件-2022-2023学年高中英语人教版（2019）必修第一册

Unit1NaturalDisasters

DiscoveringusefulstructuresWarmingupPleasereadthesentenceandfindouttheattributiveclauseTheTangshanearthquakewasaterribleexperiencethatmygreat-grandmacannotforget.attributiveclauserestrictiverelativeclausesReadandfindoutPleasereadthesentencesofexercise1page52.Findandunderlinetherestrictiverelativeclausesinthesentence.Whatisanattributiveclause?Aclausewhichisusedasanattributive.ReadandfindoutPleasereadthetextonpage50.Findandunderlinetheattributiveclausesinthetext.Therewerecracksthatappearedinthewellwalls.…aquakethatevencauseddamagemorethan150kilometersawayinBeijing.…ReadanddiscussPleasereadthesentenceswithrestrictiverelativeclausesonpage50and52anddiscuss:whatfunctiondotherestrictiverelativeclauseshave?whatwordsdotheserestrictiverelativeclausesstartwith?ReadanddiscussPleasereadthesentenceswithrestrictiverelativeclausesonpage50and52anddiscuss:Whatfunctiondotherestrictiverelativeclauseshave?Arestrictiverelativeclausecanbeusedtointroduceormodifyanounorapronoun.ReadanddiscussPleasereadthesentenceswithrestrictiverelativeclausesonpage50and52anddiscuss:2.Whatwordsdotheserestrictiverelativeclausesstartwith?That,which,who,whom,whose.（relativepronoun关系代词)ReadanddiscussReadthesentencesofexercise1(page52)anddiscusshowtochoosetherightrelativepronounwhenwewriterestrictiverelativeclauses?关系代词在从句中充当先行词所指关系代词主语人who/that物which/that宾语人whom/that/省略物which/that/省略定语人、物whosePleasecompleteeachsentenceswiththat,which,who,whose,whomor/.(exercise2onpage52)PracticeReadanddiscussHowdidyouchooserelativepronounswhenwritingarestrictiverelativeclausesInarestrictiverelativeclause,“that”canbeusedtoreplacewhich,whoandwhom.Iftheantecedentisall/no+nounorpronounslikeanything,nothing,only“that”canbeusedastherelativepronoun.“whose”canbeusedtoshowthatsomethingbelongstosomebody.Readanddiscuss1）Isthereanything________Icandofortherescuework?2)Allthesurvivors_____________werefoundbythesoldiersweresenttotheshelter.3)Thisisthelittlegirl________parentswerekilledintheearthquake.4).Thebuilding__________wallwaswhitewasdestroyedintheearthquake.Completethesentenceswithcorrectrelativepronouns.thatthat/whowhosewhosePractice插入交互动画DiscoveringusefulstructuresReadandfindoutTranslatethetwosentencesinexample(exercise2page90)andcomparethedifference.Usearestrictiverelativeclausetocombineeachpairofsentences.(exercise2page90)Thepassageisaboutanearthquakewhich/that…Manysoldierscametosavethepeoplewho/that…Theworkersbuiltsheltersforthesurvivorswhose…

Doyourememberthetextofthisunit?Pleaseusetheinformationinthetexttocompletethesentences.MorepracticeWorkwithapartner.Taketurnstoaskeachotheraboutthepicture.Makesentenceswithrestrictiverelativeclausesusingthat,which,who,whoseorwhom.(exercise3page52)MorepracticeExample:A:What’stherescueworkerdoing?B:She’sfeedingababywhosurvivedtheearthquake.Useatleasttworestrictiverelativeclausestointroduceanaturaldisaster.DiscussandshareHomeworkWorkbook:exercise1onpage90;exercise3onpage91Writing—chooseonetopicandfinishthehomew