【教学】Unit 8 第3课时 （九全）

Unit8

ItmustbelongtoCarla.LessonThreeSectionAGrammarFocus—SectionB1dTask1Shecouldbereadingbooks.PlayaguessinggameWhatisshedoing?Shecan’tbereadingbooks.Shemightbedoingherhomework.Shecouldbeplayingcomputergames.Warming-upLiLeiWhoseEnglishbookisthis?Whatkindofanimalisit?Warming-upWhosevolleyballisthis?ItmustbeCarla’s.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.Whatdidyouseethatnight?I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.GrammarFocusPresentation语法小知识——情态动词表推测表推测的意义和用法：句式情态动词用法意义例句肯定句must表示有把握的肯定推测

一定；

肯定Miller

must

be

very

tired

after

a

long

journey.could/may/might其肯定程度逐渐减弱，表示把握不大的推测可能Itmightrainthis

afternoon.否定句can’t表示有把握的否定推测不可能Amycan’tbeatschool.It’sSundaytoday.疑问句can/could表示推测可能CanPeterstillbealiveaftersomanyyears?Presentation不同的形式表示不同的时态：结构形式用法例句情态动词+

动词原形表示对现在的事情的推测

Somethingmustbewrongwith

mybike.情态动词+be+动词的

-ing形式表示对正在发生的事情的推测

Mybrothermightbehaving

breakfastathome.情态动词+have+动词的过去分词表示对过去或已经完成的事情的推测Imusthaveputmykeyssomewhereinthebedroom.

Presentation1.Thispairofglasses_____beTony’s.He’stheonlyonewhowearsglasses.

A.mustB.mightC.can’t2.—ThewomanovertherelookslikeourEnglishteacher.

—It_____beher.She’shavingameetinginBeijingnow.A.maynotB.mustn’tC.shouldn’tD.can’t3.—IsthatMr.Zhou?

—It_____behim.HehasgonetoBeijing.A.mayB.canC.can’tGrammarexercisesPractice1.A:Where’sJean？

B:I’mnotsure.She________(is/mightbe/mustbe)inthelaboratory.2.A:Everyoneisgoingtothepoolafterschool.B:Really?It________(mustbe/can’tbe/couldbe)hotoutdoors.3.A:That’sthephone.B:Hmm.Iwonderwhoit_________(mustbe/couldbe/shouldbe).4.A:IwonderiftheseareJim’sglasses.B:They________(can’tbe/mightbe/couldbe)his.Hedoesn’twearglasses.5.A:Ihearwaterrunninginthebathroom.B:It__________(couldbe/mustbe/can’tbe)Carla.Shewasthinkingoftakingashower.mightbe4aChoosethebestwaytocompleteeachsentenceusingthewordsinbrackets.mustbecouldbecan’tbemustbePractice1.A:Manypeoplearewearingcoats.B:Theweathermustbe_________.2.A:Sallyhasbeencoughingalot.B:Shemightbe_____________.3.A:Thisrestaurantisalwaysverycrowded.B:Thefood________________.4.A:WheneverItrytoreadthisbook,Ifeelsleepy.B:Itcan’t_____________.verycoldhavingacoldmustbedeliciousbethatboring4bCompletetheseresponses.Practice4cLookatthispictureofaroom.Howmuchcanyoutellaboutthepersonwholiveshere?Isitaboyoragirl?Whatarehis/herhobbies?Discussyourideaswithapartner.A:Itcouldbeagirl’sroombecauseit’sverytidy.B:Iguessso.Butitmightbeaboy’sroombecausetheclotheslooklikeboy’sclothes.PracticeTask2HaveyoueverheardabouttheUFO?Pre-listeningFreetalklandmanUFOrunalienrunafter1aLookatthepictures.Thenusethewordsintheboxtowriteasentenceabouteachpicture.a.AUFOislanding.b.c.Analienisrunningafterthemen.Themanisrunning,lookingafraid.Pre-listening1bListenandnumberthepictures[1-3]in1a.Thenwritetwoorthreesentencestofinishthestory._________________________________231Awomanisfilmingwithacamera.Theyaremakingafilm.While-listeningTheysee…Themansays…Thewomansays…1.amanrunninghemightbe____________.hecouldbe_________________.2.somethingintheskyitcouldbe________.itmustbe_______.3.somethingstrangeitmustbe________.Imustbe_________.4.awomanwithacamerashecouldbe_______________.theymustbe______________.lateforworkrunningforexerciseaplaneaUFOanaliendreamingfromtheTVnewsmakingamovie1cListenagain.Completethesentences.While-listeningWhydoyouthinkthemanisrunning?Hecouldberunningforexercise.Post-listening1dRole-playaconversationbetweenthemanandthewoman.No,he’swearingasuit.Hemightberunningtocatchabus.…SummaryKeywordsandphrases:laboratory,coat,sleepy,land,suit,runafter,looklikeKeysentences:Whosevolleyballisthis?ItmustbeCarla’s.Shelovesvolleyball.Whosehairbandisthis?ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.