Unit8SectionA2dGrammarFocus4a-4c语法课课件2021-2022学年人教版九年级英语全册

ItmustbelongtoCarla.Unit8SectionA2d&GrammarFocus4a-4c学习目标通过提供图片和设置场景，能够用情态动词进行相应的推测。通过阅读对话，能够理清事实与推断的区别和关系。通过观察句子，能够总结出情态动词表推测的用法。Let’stalk.Lookatthispictureofaroom.Howmuchcanyoutellaboutthepersonwholiveshere?Isthispersonaboyoragirl?Whatarehis/herhobbies?Let’schooseandtalk.Itcouldbea_______’sroombecauseit’sverytidy.Iguessso.Butitmightbea_______’sroom,becausethejeansonthebedlookmorelikeaboy’s.girlboygirlboyLet’schooseandtalk.LookattheCDonthedesk.He/Shemustbea______lover.Iagree.Andlookattheguitarbesidethebed.He/Shecouldbeabletoplaytheguitar.musicmusicsportLet’sread.1.Whatcanyouseeinthepicture?2.Wherearethey?3.What’stherelationshipbetweenthem?4.Whataretheyprobablytalkingabout?Theymustbeathome.Theymightbeinthelivingroom.Theycouldbemotheranddaughter.Theymustbetalkingabouttheschoolbag.Curtains,asofa,atrophy,photos,aclock.curtainsofatrophyphotosclockLet’sread.1.What’sthematterwithLinda?2.Whatthingsarethereinherschoolbag?3.Whotookherschoolbagaway?Sheisworriedbecauseshecan’tfindherschoolbag.Books,herhairbandandsometennisballs.Oneofherfriends.Let’sread.FindoutwhatLindadidandwhattheythoughtmighthavehappenedtoherschoolbag.fact①inference①fact②inference②fact③inference③fact④inference④Let’stalk.①Iattendedtheconcert.Itmightbeinthemusichall.WhereisLinda’sschoolbag?Itcan’tbestolen.②Thereisnothingvaluableinit.Itcouldbeatthepark.③Iwenttothepicnicwithit.Somebodymusthavepickeditup.④Ileftearly,beforemyfriends.Howpossiblearethey?JackWhosenotebookisthis?It______beMike’s.Look,hisnameisonit.Let’slearn.JaneUsemust,could,might,orcantocompletetheconversation.must100%trueMike100%JackWhoseticketisthis?I’mnotsure.Ithinkit_____________beMary’s.Let’slearn.JaneUsemust,could,might,orcantocompletetheconversation.could/might20-80%true80%20%JackWhosebagisthis?It_______beJim’s.Look,thereisapinkhairbandinit.Let’slearn.JaneUsemust,could,might,orcantocompletetheconversation.can’t0%,nottrue0%Let’slearn.Matchthewordswiththeirpossibilities.0%100%80%

20%completelytruepossiblytruepossiblytruenottruemustcouldmightcan’t＞＞＞情态动词用于表推断：常用于表推断的情态动词有：must,could,might,can’t，其可能性依次递减Let’slearn.1.Youmustbehungryafteralongwalk.2.Theycouldbeintheclassroom.3.Shecan’tbeinterestedinthemovie.情态动词+动词原形（此时动词原形通常为be）:表示对_______事情的推测。现在

Let’slearn.1.Theymustbeplayingbasketballinthepark.2.Hecouldberunningforexercise.3.Marycan’tbereadinginthelibrary.情态动词+be+动词-ing：表示对____________事情的推测。正在发生Let’slearn.1.Ican’tfindmypen.Somebodymusthavepickeditup.2.Helookssad.Hecouldhaveknownthetruth.3.Shelookshappy.Shemighthavefinishedthework.情态动词+have+动词的过去分词：表示对____________事情的推测。过去发生Let’slearn.Hemustbeinhisoffice.Hecouldhaveknownthetruth.Shecanbedoingherhomework.Whichsentenceiswrong?注意：can表示推测通常不用于肯定句口诀：can不肯Let’slearn.Canhebeinhisoffice?Mayhehaveknownthetruth?Couldhebedoinghishomework?Whichsentenceiswrong?注意：may表示推测通常不用于疑问句口诀：may不问Let’slearn.Hemustbereadinginthelibrary.Musthebeathome?Hemustn’tbedoinghishomework.Whichsentenceiswrong?注意：must表示推测通常不用于否定句和疑问句口诀：must不否问Thedictionary________belongtoSam.Youcanseehisnameonit.A.canB.mustC.needD.would答案BLet’spractice.Choosethebestword(s)inbracketstocompleteeachsentence.1.A:Where’sJean?

B:I’mnotsure.She__________(is/mightbe/mustbe)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It_________(mustbe/can’tbe

/couldbe)hotoutdoors.mightbemustbe4aLet’spractice.Choosethebestword(s)inbracketstocompleteeachsentence.3.A:That’sacellphone.B:Hmm.Iwonderwhoseit________(mustbe/couldbe/shouldbe).4.A:IwonderiftheseareJim’sglasses.B:They________(can’tbe/mightbe/couldbe)his.Hedoesn’twearglasses.couldbecan’tbe4aLet’spractice.Choosethebestword(s)inbracketstocompleteeachsentence.5.A:Ihearwaterrunninginthebathroom.B:It_________(couldbe/mustbe/can’tbe)Carla.Shewasthinkingoftakingashower.couldbe4aLet’spractice.Completetheseresponses.1.A:Manypeoplearewearingcoats.B:Theweathermustbe_________________________.2.A:Sallyhasbeencoughingalot.B:Shemightbe____________________.gettingcold(er)outsideill/havingasorethroat4bLet’spractice.Completetheseresponses.3.A:Thisrestaurantisalwaysverycrowded.B:Thefood________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t______________.mustbedeliciousbethatboring4bLet’spractice.Fillintheblankswithmust,mightorcan’t.1.Thatbrightlight_____beaUFO–there’snosuchthing!2.I’mstillwaitingforthebus,soI__________beabitlatefortheparty.can’tcould/mightSelfCheck1Let’spractice.Fillintheblankswithmust,mightorcan’t.3.Thatsweater______beCarla’s.She’stheonlyonewhowearssuchcolorfulclothes.2.Tony_________wanttogototheconcert.Helikesmusic,butI’mnotsureifhelikesrockmusic.mustmightSelfCheck1Let’spractice.Fillintheblankswithmust,mightorcan’t.5.Thepersonyousawatthesupermarket______beSusan.Ijusttalkedtoheronthephone,andshe’satworkrightnow.can’tSelfCheck1Let’spractice.Lookatthechartandwritesentencesforthethingsbelow.SelfCheck2NameLikesDislikesJessicatakephotosrunToddplaythepianoeatsweetfoodMikeplaytenniswatchmoviesAnniereadcook1.DVD________________________________________Itcan’tbeMike’s.Hedoesn’tlikewatchingmovies.Let’spractice.NameLikesDislikesJessicatakephotosrunToddplaythepianoeatsweetfoodMikeplaytenniswatchmoviesAnniereadcook2.a

bowlofice-cream_________________________________Itcan’tbeTodd’s.Hedoesn’teatsweetfood.3.camera____