北师大版高中英语必修五-Unit-13-Lesson-3只是课件

北师大版高中英语必修五Unit13Lesson3Objectives♠getthegeneralideasofthetextbylistening;♠understandhowtoexpressguesses;♠doaninterviewfortheeventofthemissingstudents.Attheendofthislesson,you’llbeableto：•DoyouoftenwatchnewsonTV?•Whatnewsareyoumostinterestedin?•WhenwewatchTVserialplaywewanttoknowwhatwillhappeninthefuture.•Whathappenedinthepast?maymustcancan’tmightWhichwordsyouthinkwewillusetoexpressourguess?Guessatthepictures1.Whatmightthetwo2.peoplebediscussingabout?2.Howmighttheyfeel?3.Whatmighttheybedoing?4.Howmighttheyfeel?Theymightbediscussingabout…Theymayfeelupset/sad/worried…Theymightbeonacamp/becaughtinarain/losetheirway/beshelteringunderatree/…Theymightfeelhungry/cold/anxious/frightenedbythunder…Listentothedialogueanddotheexercise.1.Thetwostudentsweremissing______.A.becausetheywereseparatedfromtheotherstudents.B.inacase.C.forthereasonwedon’tknow.2.Thedialoguetellsus______.A.Thetwostudentsdisappeared3daysago.B.MyFrenchtutorknowwheretheyare.C.Peoplefoundtheminacottages.3.Thedialoguemakevariousguessedexcept_________.A.Theymustbefrightened.B.Theybothareinjured.C.Theymighthavesomefoodtoeat.Listentothedialogueagainandcompletethegaps.A:Haveyouheardanythingaboutthetwomissingstudents?IthinkmyFrenchtutormightknowoneofthem.Isawshehadtearsrunningdownhercheeksatlunchtodayandoneoftheotherteachersgaveherahug.B:IheardaboutitfromthenewsreportonTVlastnight,buthaven’theardaboutanythingmoresincethen.A:Theirfriendsarereallyupsetandhavebeenwaitinganxiouslyformorenews.B:Ican’tbelievethatthey’vebeenmissingonthemountainsfor3daysnow!Theymustbeso(1)__________!frightenedA:Iwonderhowtheygotlostandwhosefaultitwas.B:Theymayhavebeen(2)_________fromtheotherstudentsandcouldn’thearanyonewhenthethunderstarted,ortheymighthave(3)_____behindandtakenthewrongpath.separatedfallenA:Maybe.Ortheycouldhavegoneexploringontheirownandlosttheirwaybacktothegroup.B:Ihatetothinkhowtheymustbefeelingrightnow.It’ssocoldatthemoment.Theymustbe(4)________!Ihopetheyhavewarmjacketsmadeofwool.freezingA:Theymightbe(5)_________inacave.shelteringA:Theycan’tbethere.Peoplewouldhavelookedtherefirst,I’msure.B:Ortheycouldbeinoneofthoseemptycottagesnearthepinetreesrightatthetopofthemountain.B:True.Imaginehowhungrytheyare!Theycan’texactlyeatseedslikeaquarellesandsparrowsdo!A:Theymighthave(6)_________leftfromcampingbuttheymaynothaveanywater.somefoodA:Metoo.Theirparentsmustbevery(7)_______.It’llarealreliefwhenthey’refound.worriedB:Andoneofthemmightbebleedingorhaveabrokenarmorleg.Ireallyhopethesomeonefindsthemsoon.Readthedialogueandanswerthequestions.1.Howaretheirfriendsandparents2.feeling?Friends:reallyupset;havebeenwaitinganxiouslyformorenewsParents:mustbeveryworried2.Whomightknowthestudents?3.Whydoyouthinkthetutorknowthem?tearsrunningdownhercheeks;oneoftheotherteachersgaveherahug.theFrenchtutorSpeakers’guessesGuessesEvidenceCauses•mayhavebeenseparatedfromothersandcouldn’thearanyone;(A)---•mighthavefallenbehindandtakenthewrongpath;(A)---•couldhavegoneexploringontheirownandlosttheirwayback.(B)---PresentsituationGuessesEvidence•mightbeshelteringinacave;(A)---•couldbeinoneoftheemptycottages;(B)---•can’tbeinoneoftheemptycottages;(A)Peoplecouldhavelookedtherefirst.•mighthavesomefoodleftfromthecampingbutmaynothaveanywater;(A)•oneofthemmightbebleedingorhaveabrokenarmorleg.(B)------GuessesEvidenceFeeling•mustbesofrightened;(B)•They’vebeenmissinginthemountainfor3days.•mustbefreezing.(B)•It’ssocoldatthemoment.PairworkDiscussthefollowingquestions.•Whatmightcausetheaccident?•Wheremighttheybesheltering?•Howmightpeople,whoknowthem,feel?GrammarModalsforGuessingLookatthedialogueagainandcompletethegapswithmodalverbs:must,may,maynot,might,can’t,could.1.IthinkmyFrenchtutor______know2.oneofthem.3.2.They_____besofrightened.4.3.They_____havebeenseparatedfrom…5.4.They______havegoneexploring…6.5.They_____bethere.7.6.They_______haveanywater.mightmustmaycouldcan’tmaynotWhatmeaningdothesentencesininExercise3express:A.decision?B.advice?C.guesses?WhichofthemodalverbsinExercise3expressthefollowing?astrongbeliefthatsomethingis/wastrueastrongbeliefthatsomethingis/wasnottrueapossibilitythatsomethingis/wastrueapossibilitythatsomethingis/wasnottrueAnswers:Strongbelief/true:Strongbelief/nottrue:Theycan’tbethere.Theymustbesofrightened!Theirparentsmustbeveryworried.Possibility/nottrue:Theymaynothaveanywater.Possibility/true:IthinkmyFrenchtutormightknowoneofthem.Theymayhavebeenseparatedfrom…Theycouldhavegoneexploring…•IthinkmyFrenchtutormightknowoneofthem.b)unlimitedpresenttimeLookatthesesentencesagainanddecidewhattheyaretalkingabout:a),b)orc)•Theymighthavefallenbehind.a)pastevent•Theymightbeshelteringinacave.c)somethinghappeningnowmay/mighthave+PP(过去分词)musthave+PP(过去分词)肯定句对过去的推测对现在的推测mustbe+n./adj.maybe/mustbe+v-ingmust+v.(原形)can’thave+PP(过去分词)can’thavebeen+n./adj.对过去的推测对现在的推测否定句can’tbe+n./adj.can’t+v.(原形)Completethegapsinthesentenceswiththemodalverbs.Morethanoneanswerispossible.1.Shegoesouteveryweekend.She2._________haveyoungchildren.2.Helooksdepressed.He____behavingsomeproblems.must,can’t,may,might,mightnot,couldmightnotm