九年级英语《Unit5 It must belong to Carla Section A 1》课件.ppt
新目标新目标 九年级九年级 Unit 5Unit 5Unit 5It must belong to CarlaIt must belong to Carla Section A Period 1 Section A Period 1学学学学.科科科科.网网网网It cant be 可可能能性性0%学学.科科.网网It might/could be 可可能性能性20-80%It must be 可能可能性性100%What kind of animal is it?She may be.No,I think she could be.I know she must be Who is the singer?Pair workPair workA:A:Whose football is Whose football is this?this?B B:Bills?Bills?A:A:It might be Bills.It might be Bills.Lets ask him.Bill,Lets ask him.Bill,is this your is this your football?football?C C:No,its not mine.No,its not mine.A:A:Well,it isnt Bills.He says its Well,it isnt Bills.He says its not his.not his.C C:Is it Annas?Is it Annas?A:A:Lets ask her.Anna,is this your Lets ask her.Anna,is this your football?football?C C:No,it isnt.No,it isnt.A:A:So its not Annas football.And So its not Annas football.And it cant be Marias.Because I it cant be Marias.Because I didnt take hers.Then whose didnt take hers.Then whose football is it?football is it?B B:Is it Lees?Is it Lees?A:A:Yes,it doesnt belong to Bill,Yes,it doesnt belong to Bill,Anna or Maria.So it must be Anna or Maria.So it must be Lees.Lees.Listening and speaking(1b:P34)is her favorite author.is her favorite author.1.Janes little brother1.Janes little brothertoy cartoy carHe was the only little kid at the picnic.He was the only little kid at the picnic.2.Mary2.MarybookbookHemingwayHemingwaylistens to classical music.listens to classical music.3.Carla3.Carla volleyballvolleyballShe loves volleyball.She loves volleyball.4.Deng Wen4.Deng WenmagazinemagazineHe loves cats.He loves cats.学学学学.科科科科.网网网网5.Grace5.GraceCDCDShe alwaysShe alwaysPractise making conversationsPractise making conversationsSample dialogue 1:Sample dialogue 1:A A:Look!Whose toy car Look!Whose toy car is this?is this?B B:It must be Janes little:It must be Janes little brothers.Because he brothers.Because he was the only little kid was the only little kid at the picnic.at the picnic.Sample dialogue 2:Sample dialogue 2:A A:Look!Whose:Look!Whose book is this?book is this?B B:It must be Marys.:It must be Marys.Because Hemingway Because Hemingway is her favorite is her favorite author.author.Sample dialogue 3:Sample dialogue 3:A A:Whose CD is:Whose CD is this?this?B B:It must be:It must be学学学学.科科科科.网网网网 Graces.Because Graces.Because she always listens she always listens to classical music.to classical music.Listening Practice(2a:P35)Listening Practice(2a:P35)Things in the backpack1._2._3._4.3._hat,jacket,T-shirthat,jacket,T-shirtvolleyball,CD,toy car,magazine,volleyball,CD,toy car,magazine,bookbookplate,cupsplate,cups Listening Practice(2b:P35)Listening Practice(2b:P35)1.The person go to our school.2.The person be a boy.3.It be Meis hair band.4.The hair band belong to Linda.5.It be Lindas backpack.mustmustcantcantcouldcouldmightmightmustmust Listening Practice(2c:P35)Listening Practice(2c:P35)must/mightcantmightmustmight/mustmustcantmightCheck the answer:Check the answer:1.The homework cant be Carols.She wasnt at school today.考例考例Look at the boy running on the ground.Is it Davis?It _ be him.I saw him go to the teachers office just now.A.mustB.cantB.C.couldD.might(2007湖北湖北黄冈黄冈)B答案和解析答案和解析 B。cant表示否定的推表示否定的推测;测;must表示肯定的推测;表示肯定的推测;could,might表示可能的推测。表示可能的推测。2.The French book must be Li Yings.Shes the only one whos studying French.考例考例 Even the top students in our class didnt work out the problem.So it _ be very difficult.A.needB.mustC.cantD.shouldnt(07山东滨州山东滨州)解析解析 此处此处must表示肯定的推测。表示肯定的推测。BGrammar Focus(P35)表示推测的情态动词表示推测的情态动词 在英语中,表示对某件事物的确在英语中,表示对某件事物的确定程度,即表示推测的时候,我们定程度,即表示推测的时候,我们通常会用到以下情态动词:通常会用到以下情态动词:must,might,could,may,cant,couldnt.意思意思推测程度推测程度must一定,肯定一定,肯定100%的可能性的可能性maymight/could有有可能,也许可能,也许20%-80%的可能性的可能性cant不可能,不会不可能,不会可能性几乎为零可能性几乎为零 一一.can和和could的区别和用法的区别和用法 1.can表示体力和脑力方面的能力表示体力和脑力方面的能力,或或根据客观条件能做某种动作的根据客观条件能做某种动作的“能力能力”。例如:例如:Can you speak English?Can you make a cake?can用在否定句和疑问句中时有时表用在否定句和疑问句中时有时表示说话人的示说话人的“猜测猜测”或或“不肯定不肯定”。例如:例如:Can the news be true?(在日常会话中在日常会话中,can可代替可代替may表表示示“允许允许”,may比较正式比较正式)2.could 是是 can的过去式的过去式,表示过去有表示过去有过的能力和可能性过的能力和可能性,还有怀疑和不肯还有怀疑和不肯定的意思定的意思(在否定和疑问句中在否定和疑问句中)。e.g.She couldnt skate when she was five years old.(能力)(能力)At that time we thought the story could be true (可能性)(可能性)could用来提问用来提问,是有礼貌的请求是有礼貌的请求 Could.,please?语气较为婉转。语气较为婉转。e.g.Could I speak to Mr.Smith,please?二二.might和和may的区别和用法的区别和用法:1.may的用法的用法:a.表示表示“允许允许”或或“请求请求”。e.g.May I come in?在使用这一用法时需注意在使用这一用法时需注意:may表表示示“允许允许”的否定形式是的否定形式是must not,意思是意思是“不应该不应该”“不许可不许可”。e.g.May I take this book out of the reading-room?No,you mustnt b.表示说话人的猜测,认为某一表示说话人的猜测,认为某一事情事情“或许或许”或或“可能可能”发生。发生。e.g.He may know the answer c.may用在感叹句中可表示祝愿、用在感叹句中可表示祝愿、愿望。愿望。e.g.May you succeed(祝你成功。祝你成功。)May you have a pleasant journey (一路平安。一路平安。)2.2.mightmight的用法的用法的用法的用法:a.a.mightmight可以代替可以代替可以代替可以代替may,may,表示现在表示现在表示现在表示现在时间的动作,但语气较为婉转客气时间的动作,但语气较为婉转客气时间的动作,但语气较为婉转客气时间的动作,但语气较为婉转客气或更加不肯定。或更加不肯定。或更加不肯定。或更加不肯定。e.g.e.g.MightMight I take a suggestion I take a suggestion?b.b.mightmight用来表示现在时间时用来表示现在时间时用来表示现在时间时用来表示现在时间时,还可表示还可表示还可表示还可表示“规劝规劝规劝规劝”。e.g.e.g.You You mightmight pay more attention to pay more attention to spoken Englishspoken English 三三三三.must.must与与与与have tohave to的区别的区别的区别的区别 have tohave to比较强调客观需要比较强调客观需要比较强调客观需要比较强调客观需要,must,must着重说明主观看法。另外着重说明主观看法。另外着重说明主观看法。另外着重说明主观看法。另外have tohave to能用能用能用能用于更多时态于更多时态于更多时态于更多时态,比较下面的句子:比较下面的句子:比较下面的句子:比较下面的句子:We We had tohad to be there at 10:00.be there at 10:00.有时两者都可以用有时两者都可以用有时两者都可以用有时两者都可以用,意思差别不大。意思差别不大。意思差别不大。意思差别不大。e.g.e.g.We We must/have tomust/have to leave now.leave now.must must在表示说话人对事物的推测时在表示说话人对事物的推测时在表示说话人对事物的推测时在表示说话人对事物的推测时候要注意它比候要注意它比候要注意它比候要注意它比maymay肯定得多肯定得多肯定得多肯定得多,相当于汉相当于汉相当于汉相当于汉语的语的语的语的“一定一定一定一定”或或或或“准是准是准是准是”。(只有在肯只有在肯只有在肯只有在肯定句中能这样用。定句中能这样用。定句中能这样用。定句中能这样用。)This This must bemust be your room your room 在回答由在回答由在回答由在回答由mustmust引起的问题时引起的问题时引起的问题时引起的问题时,如果如果如果如果是否定的答复,不能用是否定的答复,不能用是否定的答复,不能用是否定的答复,不能用mustnt,mustnt,而需而需而需而需要用要用要用要用needntneednt或或或或dont have to,dont have to,因为因为因为因为mustntmustnt是是是是“一定不要一定不要一定不要一定不要”的意思。的意思。的意思。的意思。表示对某件事的确定程度,即表示推测表示对某件事的确定程度,即表示推测的时候,通常会用到情态动词的时候,通常会用到情态动词must,may,might,could等。等。1.按照推测的可能性来区别按照推测的可能性来区别,must的可的可2.能性最大能性最大,may次之。次之。could和和might不不表表3.示过去时态示过去时态,只是表示推测的可能性比只是表示推测的可能性比4.较小。较小。例如:例如:Its two oclock now.He must be in by now.现在是两点钟。现在是两点钟。他一定到了。他一定到了。He may go back in the fall.他可能秋季回去。他可能秋季回去。He thinks it could/might be wise to try his luck there.他想在那儿碰碰运气可能是明智的。他想在那儿碰碰运气可能是明智的。2.情态动词表示推测的几种形式:情态动词表示推测的几种形式:1)“情态动词情态动词+动词原形动词原形”表示对现在表示对现在情况的推测。例如:情况的推测。例如:This book must be Toms.He is looking for it.这本书一定是汤姆的。他正在找这这本书一定是汤姆的。他正在找这本书。本书。2)“情态动词情态动词+be+v-ing形式形式”表示对表示对现现在正在进行的情况进行推测。例如:在正在进行的情况进行推测。例如:At this moment,our teacher may be correcting our exam papers.此刻,我们老师可能正在批改试卷。此刻,我们老师可能正在批改试卷。3)“情态动词情态动词+have+动词的过去分词动词的过去分词”表表示对过去情况的推测。示对过去情况的推测。例如:例如:The road is wet.It must have rained last night.路是湿的,昨天晚上一定下雨了。路是湿的,昨天晚上一定下雨了。【特别提醒特别提醒】1.must表示推测时只用于肯定句,表示表示推测时只用于肯定句,表示2.很有把握的推测,意为很有把握的推测,意为“一定一定”。例如:例如:Our teacher must be in the office because the light is on.我们的老师一定在办公室,因为灯还亮我们的老师一定在办公室,因为灯还亮着。着。2.表示否定推测常用表示否定推测常用cant,意为,意为“不可不可能能”。例如:例如:He cant be at home because he has gone to Beijing.他不可能在家,因为他去了北京。他不可能在家,因为他去了北京。1.Choose the best answer()1.Susans parents have bought a large house with a swimming pool.It _ be very expensive.A.must B.canC.mustntD.may not()2.Henry _ be at home because he phoned me from the farm just now.A.mustntB.isnt able toC.may notD.cantA AD D()3.Whose red backpack is this?It _ be Toms.His backpack is red.A.mightB.needC.mustD.cantA A 1.这本书一定是李雷的。他正在找这本书一定是李雷的。他正在找这本书。这本书。This book must be Li Leis.He is looking for it.2.Translation 2.这个发带可能是韩梅的。她喜欢这个发带可能是韩梅的。她喜欢戴发带。戴发带。The hair band could be Han Meis.She likes wearing a hair band.3.这个玩具熊可能是约翰的妹妹的。这个玩具熊可能是约翰的妹妹的。她还是个小姑娘。她还是个小姑娘。The toy bear might belong to Johns sister.She is a little girl.4.这个排球不是玛丽的。她根本不喜这个排球不是玛丽的。她根本不喜欢排球。欢排球。The volleyball cant be Marys.She doesnt like playing volleyball at all.Homework Homework Review the grammar box.Thank you Thank you for listening!for listening!