人教版英语选修8 Unit3 Inventors and inventions--Period2VIP免费

Unit3InventorsandinventionsPeriod2AsamplelessonplanforLearningaboutLanguage(RevisethePastParticipleastheAttribute,Predicates&ObjectComplement>)IntroductionInthisperiodstudentswillbefirsthelpedbytheteachertodiscoverandlearntousesomeusefulwordsandcollocations,andthentodiscoverandlearntousethefollowingusefulstructures:may/might,can/could,will/would,shall/should,must/can’t.Thefollowingstepsofteachingmaybetaken:warmingupbyreadingaloudtotherecordingofthetext,discoveringusefulwordsandcollocations,talkingabouttheparticiple,discoveringusefulstructures,closingdownbysingingasnakesong.ObjectivesTohelpstudentsrevisethePastParticipleastheAttribute,Predicates&ObjectComplementTohelpstudentsdiscoverandlearntousesomeusefulwordsandcollocationsTohelpstudentsdiscoverandlearntousesomeusefulstructuresProcedures1.WarmingupbyreadingaloudtotherecordingofthetextDoyoureadaloudtoyourstudents?Doyoueveraskyourstudentstoreadaloudtotherecordingofthetext?Isthereeveratimewhenstudentsaretoooldtobereadto?Many用心爱心专心teachersarefirmbelieversinreadingaloud--evenattheuppergradelevels!Manyteachersbelievereadingaloudenhancesclassroominstructionandimprovesacademicachievement---andrecentresearchsupportstheirbelief.NowIamgoingtoplaythetapeandyouaregoingtoreadaloudtoit.2.DiscoveringusefulwordsandcollocationsNowit’stimetodothetwoexercisesonpage23.Checkyourworkwithyourpartner.3.TalkingabouttheparticipleTheParticipleAparticipleisanadjectiveformedfromaverb.Tomakeapresentparticiple,youadd"-ing"totheverb,sometimesdoublingthefinalconsonant:"think"becomes"thinking""fall"becomes"falling""run"becomes"running"Thesecondtypeofparticiple,thepastparticiple,isalittlemorecomplicated,sincenotallverbsformthepasttenseregularly.Thefollowingareallpastparticiples:thesunkenshiparuinedcityamisspelledwordNotethatonlytransitiveverbscanusetheirpastparticiplesasadjectives,andthatunlikeotherverbals,pastparticiplesdonottake用心爱心专心objects(unlesstheyarepartofacompoundverb).PastParticipleToformthepastparticipleofaverb,addtheending-edtothebaseform.(Butnotethatmanycommonverbshaveirregularpastparticipleforms.)Thepastparticipleisusedinthefollowingcircumstances:＊AftertheauxiliaryhaveintheperfecttenseHasthegaschromatographbeenfixedyet?＊AfteraformoftheauxiliarybeinthepassivevoiceThegaschromatographwasfixedonMonday.＊AftertheverbshaveandgetwithacausativemeaningWehadthegaschromatographfixedlastweek.＊AsapassiveparticipialadjectiveTherecentlyfixedgaschromatographisbrokenagain.4.DiscoveringusefulstructuresYouarenexttodotheexercises1,2,3,and4onpage23and24.用心爱心专心