人教版九年级英语课件Unit_5

Unit5ItmustbelongtoCarla.SectionAGrammarfocus情态动词must,might,could,can’t表示推测的含义与用法。情态动词must,might,could,can’t后面都接动词原形，都可以表示对现在情况的揣测或推断，但他们的含义有所不同mustcan’tcouldmightmay100%一定，肯定probablytrue20%-80%可能也许possiblytrue0%不可能almostnottrueLet’splayagame!Hemustbe_____________.Hemustbe_____________.Hemustbe_____________.Whatisit?Whatisit?Whatisit?Whatisit?Whatisit?Whatisitdoing?Itmight/couldbe__________.Whatisitdoing?Itmight/couldbe__________.Whatdoesshedo?Shecould/mightbea/an______Whatdoeshedo?Hecould/mightbea/an______Itmustbe_______.Whosebookisthis?Itmustbelongto____.Itmustbe_________.Helovestoysverymuch.Whoseeraseristhis?Whoseeraseristhis?Itmustbe______.Shelovesbeautifulpencilcase.Whosepencilcaseisthis?幻灯片3e.g.Thedictionarymustbemine.Ithasmynameonit.TheCDmight/couldbelongtoTonybecausehelikeslisteningtopopmusic.Thebookcan’tbeTom’s.Hewasn’tatschooltoday.1abelongauthorpicnichairhandpossiblyv.属于n.作家；作者n.（自带食物的）郊游野餐发带adv.可能地；也许authorpossiblybelongpicnichairhandatapicnic在野餐Attention注意Itmustbesb’s一定是某人的东西Itmustbelongtosb一定属于某人Step2:lookatthepictureandfillinthechartCloth-ingFunthingsKitchenthingshatvolleyballplateT-shirtjacketToycarmagazineCDbookcup1bPersonJane’slittlebrotherMaryCarlaDengWenGraceThingVolleyballToycarMagazineBookCDReasonHemingwayisherfavoriteauthor.Shelovesvolleyball.Hewastheonlylittlekidatthepicnic.Shealwayslistenstoclassicalmusic.古典音乐Helovescats.Listenandmatcheachpersonwithathingandareason.2aListenandwritedownthethingsinthebackpack.Thingsinthebackpack.1.2.3.T-shirtHairbandTennisball2bThepersonmustgotoourschool.2.Thepersonbeaboy.3.ItbeMei’shairband.4.ThehairbandbelongtoLinda.5.ItbeLinda’sbackpack.can’tcouldmustmightListenagainandfillintheblank2c1.ThenotebookbeMing’s.Itwasonherdesk.2.ThehomeworkbeCarol’s.Shewasn’tatschooltoday.3.ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmust5.Ican’tfindmybackpack.Itbestillatschool.6.ThephotobeLu’s.Thosearehisparents.7.TheredbicyclebeHu’s.Shehasabluebicycle.8.Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.might/mustmustcan’tmight表示推测的情态动词　summary(1)must100%一定，肯定100%Probablytrue(2)may/might/could可能也许20%-80%possiblytrue(3)can’t不可能0%almostnottrue结构：must/may/might/could+domust/may/might/could+bedoing“……正在做”must/may/might/could+bedone“….被做’Fillintheblankswithmust,can’t,couldormight.2c1.ThenotebookbeMing’s.Itwasonherdesk.2.ThehomeworkbeCarol’s.Shewasn’tatschooltoday.3.ThesoccerballbeJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbookbeLiYing’s.She’stheonlyonewho’sstudyingFrench.must/mightcan’tmightmust5.Ican’tfindmybackpack.Itbestillatschool.6.ThephotobeLu’s.Thosearehisparents.7.TheredbicyclebeHu’s.Shehasabluebicycle.8.Thisticketbemyaunt’soruncle’s.They’rebothgoingtotheconcert.might/couldmustcan’tmight/could1.这本书一定是李雷的。他正在找这本书。Translation2.这个发带可能是韩梅的。她喜欢戴发带。ThisbookmustbeLiLei’s.Heislookingforthebook.ThehairbandcouldbeHanMei’s.Shelikeswearingahairband.3.这个玩具可能是约翰的妹妹的。他还是个小姑娘。4.这个排球不是玛丽的。她根本不喜欢排球。ThetoymightbelongtoJohn’ssister.Sheisalittlegirl.Thevolleyballcan’tbeMary’s.Shedoesn’tlikeplayingvolleyballatall.情态动词用法总结1.can否定can’t2.Could（1）表示能力“能”“会”（2）表委婉语气（3）can’t表推测“不可能”(1)can的过去式(2)表示委婉语气—couldyou………?你能…吗？__sure,Ican/sorry,Ican’t(3)表示推测“可能，也许”3.may/might（1）表推测“也许”（2.表委婉语气MayI…….?我可以...’吗?回答;yes,youcan/may.No,youcan’t（不能）/mustn’t(禁止)4.must=haveto（1）表示“必须，不得不”———mustn’t“禁止，不允许”___MustI……….?我必须…?—No,youneedn’t=youdon’thaveto不，你不必Yes,youmust是的，你必须做。（2）表示推测“肯定”“一定”否定形式Pleasedomorepracticeasrequiredin1conPage34.Write3conversationslike1cinyourexercisesbook.(Payattentiontomust/might/could/can’t)