九年级英语unit8,Section A 2a-2d课件

SectionA2a—2dSectionA1bGirl1:Whosevolleyballisthis?Boy1:ItmustbeCarla’s.Shelovesvolleyball.Girl1:Howaboutthistoytruck?Girl2:Hmm…thattoytruckmustbelongtoJane’slittlebrother.Hewastheonlylittlekidatthepicnic.AndthemagazinemustbelongtoDengWen.Helovesrabbits.Boy1:Oh,look,someoneleftabook.Girl2:ThatbookmustbeMary’s.J.K.Rowlingisherfavoritewriter.Girl1:OK…andhowaboutthisCD?Girl2:Hmm…TheCDmustbelongtoGrace.Shealwayslistenstopopmusic.Whose…isit?Itmustbe…LiMeiWangFangItmustbe…Itmightbe…Theymightbe…2aBobandAnnafoundaschoolbagatthepark.Listenandwritedownthethingsintheschoolbag.Thingsintheschoolbag1.__________________________.2.__________________________.3.__________________________.T-shirthairbandtennisballs1.Theperson________gotoourschool.2.Theperson________beaboy.3.It________beMei’shairband.4.Thehairband_______belongtoLinda.5.It________beLinda’sschoolbag.can’tcouldmightmust2bListenagain.Fillintheblanks.mustBob:Hey,look!Whoseschoolbagdoyouthinkthisis?Anna:Idon’tknow.Look,here’saschoolT-shirt.Bob:Wellthen,thepersonmustgotoourschool.Oh!Hereisahairband,sothepersoncan’tbeaboy.Anna:ItcouldbeMei’shairband.Shehaslonghair.Bob:OrthehairbandmightbelongtoLinda.Shewasatthepicnic,wasn’tshe?Anna:Yes,shewas.ButthentheschoolbagcouldbelongtoRita.She’salwaysforgettingthings.Bob:Oh,look!Tennisballs.Anna:ThenitmustbeLinda’sschoolbag.Shehaslonghairandshe’sonthetennisteam.Bob:You’reright!Use“must”toshowthatyouthinksomethingisprobablytrue.Use“might”or“could”toshowthatyouthinksomethingispossiblytrue.Use“can’t”toshowthatyouarealmostsuresomethingisnottrue.情态动词must,might,could,can’t表示推测，后面都接动词原形，都可以表示对现在情况的揣测和推断，但他们含义有所不同。must一定，肯定(100%的可能性)might,could有可能，也许(20%－80%的可能性)can’t不可能，不会(可能性几乎为零)Thedictionarymustbemine.Ithasmynameonit.TheCDmight/couldbelongtoTonybecausehelikeslisteningtopopmusic.Thehairbandcan’tbeTom’s.Afterall,heisboy!Fillintheblankswithmust,might,couldorcan’t.1.Thenotebook___________beMing’s.Itwasonherdesk.2.Thehomework________beCarol’s.Shewasn’tatschooltoday.3.Thesoccerball____________beJohn’sorTony’s.Theybothplaysoccer,don’tthey?4.TheFrenchbook_________beLiYing’s.She’stheonlywhoisstudyingFrench.must/mightmustmight/couldcan’t5.Ican’tfindmybackpack.It___________bestillatschool.6.Thephoto__________beLu’s.Thosearehisparents.7.Theredbicycle___________beHu’s.Shehasabluebicycle.8.Thisticket___________bemyaunt’soruncle’s.They’rebothgoingtotheconcert.must/mightmustcan’tmight/could1.—Isthatyourteacher?—That_____beMr.Wang.HehasgonetoJapanwithhiswife.A.can’tB.mustn’tC.maynot2.－You_____behappywiththestrongpublicsupportyou’vereceived.－Yes,you’reright.I’mreallyexcited.A.mayB.canC.mustD.needAC3.Incompetition,asinlife,you_______notalwayswin.A.mayB.shallC.must4.InBritain,you____be18ifyouwanttodriveacar.A.canB.mustC.mayD.mightAB2dReadandanswerthequestions.1.WhyisLindaworried?2.Whatarethereinherschoolbag?3.DoesLindathinkherschoolbagislost?Why?Becauseshecan’tfindherschoolbag.Herbooks,herpinkhairbandandsometennisballs.No.Shethinksherfriendsmusthavepickeditup.Readafterthetapeandthenrole-playtheconversation.Linda:Mom,I’mreallyworried.Mom:Why?What’swrong?Linda:Ican’tfindmyschoolbag.Mom:Well,wheredidyoulastputit?Linda:Ican’tremember!Iattendedaconcertyesterdaysoitmightstillbeinthemusichall.Mom:Doyouhaveanythingvaluableinyourschoolbag?Linda:No,justmybooks,mypinkhairbandandsometennisballs.SectionA2dattend,join,joinin,takepartin都有“参加”的意思。区别是：attend主要指“到场”或“出席”会议、宴会、典礼、仪式等。join指参加某团体或组织成为其中一员或参加活动,是非正式用语。joinin表示“加入；参加(某种活动)”，in之后接名词或v.-ing形式；表示“参加某人的某种活动”时，可用joinsb.in(doing)sth.。takepartin指参加一项工作,在其中分担一部分,也指参加活动并积极工作。attendv.出席；参加Childrenmustattendschool.儿童必须上学。Ipromisedtoattendtheshow.我答应去观看文艺演出。Theyweresenttothehospitaltoattendshort-termtrainingcourses.他们被派到医院去参加短训班。Mom:Soitcan’tbestolen.Linda:Oh,wait!Iwenttoapicnicaftertheconcert.IrememberIhadmyschoolbagwithmeatthepicnic.Mom:Socoulditstillbeatthepark?Linda:Yes.Ileftearly,beforetherestofmyfriends.Ithinksomebodymusthavepickeditup.I’llcallthemnowtocheckifanybodyhasit.musthavepickeditup是“must+have+过去分词”的结构，表示对过去时间里可能发生的事情的推测，语气较强，具有“肯定”的意思。---Lindahasgonetowork,butherbicycleisstillhere.---Shemusthavegonebybus.Makeaconversation,using2dasamodel.Whereismycellphone?Makeaconversation,using2dasamodel.Whereismyearphone?(2010•保定)－Whodoesthiswatch_____?－It’sLinda’s．A.beB.belongtoC.belongD.have【解析】所有关系可以有两种表达：belongtosb．和besb’s。因问句用疑问词who来提问，故表达为“Whodoesthiswatchbelongto?”。改为同义句，则其疑问词应用whose，即“Whoseisthiswatch?”。显然本题应是第一种结构。B【2011山东烟台】---Doyouknow_______thisdictionarybelongsto?---Letmesee.Oh,it’s__________.A.whodoes,mineB.who,meC.whose,mineD.who,mine【解析】句意为“—你知道这本词典是谁的吗?—我看看。哦，是我的”。belongto后面应该加“某人”，而不是加“物主代词”,所以第一个空用who;名词性物主代词mine想当于mydictionary。D---Whosebikeisthis?---Itmust_______Adam’s.Look!Hisbagisonit.A.belongtoB.beC.isD.tobe【解析】must后接动词原形，排除C项；“be+sb.’s”意为“是某人的”。B【2012福建福州】—Hereisaschoolbag.Whoseisit?—Oh,it’s_________.Thankyou.A.myB.mineC.me【解析】my为形容词性物主代词意为“我的”；mine为名词性物主代词意为“我的”；me为人称代词的宾格意为“我”。名词性物主代词相当于形容词性物主代词+名词。此句的答语句意为：它是我的书包，回答Whose提问，因此需要用mine代替myschoolbag。B【2011湖南湘西】—Dad,______ismymp4?—It’sinyourdesk.A