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1、Unit 5Unit 5It must belong It must belong to Carlato CarlaSection AGuessing games Who is he?He cant be _.He could/might be _.He must be _.He cant be _.He could/might be _.He must be _.He must be _.Can you guess what it is?It could be _.It also might be _.a white vasetwo faces It could be _.It also m
2、ight be _.Can you guess what it is?a dogtwo girls Could A be bigger than B?In fact,A and B must be _ _.Which one is bigger,A or B?ABthe same sizeNo.Lead-inLead-inA:Whose football is A:Whose football is this?this?B B:Bills?:Bills?A:It might be Bills.A:It might be Bills.Lets ask him.Bill,Lets ask him.
3、Bill,is this your football?is this your football?might beC C:No,its not mine.:No,its not mine.A:Well,it isnt Bills.He says its A:Well,it isnt Bills.He says its not his.not his.C C:Is it Annas?:Is it Annas?A:Lets ask her.Anna,is this your A:Lets ask her.Anna,is this your football?football?C C:No,it i
4、snt.:No,it isnt.A:So its not Annas football.And A: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:Yes,it doesnt belong to Bill,A:Yes,it doesnt belong
5、 to Bill,Anna or Maria.So it must be Anna or Maria.So it must be Lees.Lees.must becant be表示推测的情态动词小结1.Can用在否定句或疑问句中时表示说话人的“推测”和“不确定”例如：1.Where can he be?2.It may be the headmaster.No,it cant be him.He has gone to shanghai.Could 也有怀疑和不确定的意思（在否定句中和疑问句中）例如：1.At the time,we thought the story could be tr
6、ue.2.He couldnt be a bad man 2.May 表示说话人的猜测，认为某一事情“或许”或“可能”发生。There may be a terrible storm in the following few days.Might 表示推测时，不表示时态。只表示可能性更小。He might be at home.3.must用在肯定句中表示较有把握的推测，意为“一定”。He must be working at home.must 表示对已发生的事情的推测时，must 要接完成式.The road is wet.It must have rained last night Pr
7、e-task classify the things What is it?(P34:1a)Fill them in the correct columns in the chart.clothingFun thingsKitchen thingshatvolleyballplatejacket toy car glassT-shirt classical CD soccer skateboarding Listening and speaking(1b:P34)插入声音插入声音is her favorite author.is her favorite author.1.Janes litt
8、le 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.D
9、eng 4.Deng WenWenmagazinemagazineHe loves cats.He loves cats.5.Grace5.GraceCDCDShe alwaysShe alwaysListening textListening text插入声音插入声音Girl1:Whose volleyball is this?Boy1:It must be Carlas.She loves volleyball.Girl1:How about this toy car?Girl2:Oh,that toy car must belong to Janes little brother.He
10、was the only little kid at the picnic.And the magazine must belong to Deng Wen.He loves cats.Boy1:Oh,and look,someone left a book.Girl2:Oh,yeah This book must be Marys.Hemingway is her favorite author.Girl1:Ok and how about this CD?Girl2:Hmmm The CD must belong to Grace.She always listens to classic
11、al music.PractisePractise making conversations 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
12、 in the picnic.in 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 i
13、s this?this?B B:It must be:It must be Graces.Because Graces.Because she always listens she always listens to classical music.to classical music.Homework1Please do more practice as required in 1c on Page 34.Write 3 conversations like 1c in your exercises book.(Pay attention to must/might/could/cant)2
14、Prepare for the next period:If you are not sure of something,how do you make inferences?Do 2c on your book.Listening Practice(2a,2b,2c:P35)Listening Practice(2a,2b,2c: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 backpac
15、k.插入声音插入声音mustmustcantcantcouldcouldmightmightmustmustListening textListening text插入声音插入声音Bob:Bob:Oh,look!Whose backpack do Oh,look!Whose backpack do you think this is?you think this is?Anna:Anna:I dont know.Look,heres a I dont know.Look,heres a school T-shirt.school T-shirt.Bob:Bob:Well then,the pe
16、rson must go Well then,the person must go to our school.Oh!Here is a to our school.Oh!Here is a hair band,so the person cant hair band,so the person cant be a boy.be a boy.AnnaAnna:It could be:It could be MeiMeis hair band.s hair band.She has long hair.She has long hair.BobBob:Or the hair band might
17、 belong:Or the hair band might belong to Linda.She was at the picnic,to Linda.She was at the picnic,wasnt she?wasnt she?AnnaAnna:Yes,she was.But then the:Yes,she was.But then the backpack could belong to Rita.backpack could belong to Rita.Shes always forgetting things.Shes always forgetting things.B
18、obBob:Oh,look!Tennis balls.:Oh,look!Tennis balls.AnnaAnna:Then it:Then it must bemust be Lindas Lindas backpack.She has long hair backpack.She has long hair and shes on the tennis team.and shes on the tennis team.BobBob:Youre right!:Youre right!Grammar Focus(P35)Grammar Focus(P35)表示推测的情态动词。表示推测的情态动词
19、。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.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
20、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
21、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
22、 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
23、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 Engli
24、sh 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 had to be there at 10:00.We had to 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
25、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 must have to leave now.We must have to 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
26、中能这样用。)This must be your roomThis must be 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,如如如如果是否定的答复，不能用果是否定的答复，不能用果是否定的答复，不能用果是否定的答复，不能用mustnt,mustnt,而需要用而需要用而需要用而需要用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”的意的意的意的意思。思。思。思。1.Choose the best ans
27、wer1.Choose the best answer 1.I didnt hear the phone.I _ a sleep.A.must be B.must have been C.should be D.should have been 2.Mary _ be in Paris.I saw her in town only a few minutes ago.A.mustnt B.shouldnt C.cant D.may notB.must have beenB.must have beenC.cantC.cant 3.Peter _ come with us tonight,but
28、 he isnt very sure yet.A.must B.may C.can D.will 4.I thought you _ like something to read,so I have brought you some books.A.may B.might C.could D.mustB.mayB.mayB.mightB.might 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 the book.2.Translation2.Translation 2.这个发带
29、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.这个玩具可能是约翰的妹妹的。这个玩具可能是约翰的妹妹的。他还是个小姑娘。他还是个小姑娘。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 voll
30、eyball at all.23145Reading and Speaking(3a:P36)Reading and Speaking(3a:P36)A thank-you letterA thank-you letter must be a must be a personal letter.In the letter the personal letter.In the letter the writer may express his gratitude writer may express his gratitude for what the receiver has done for
31、 what the receiver has done for him/her.for him/her.1.1.If you have any ideaIf you have any idea where it might where it might be,please call me.be,please call me.If you have any idea If you have any idea =If you know =If you know 意思是意思是意思是意思是:如果你知道如果你知道如果你知道如果你知道 any any用于用于用于用于if if 引导的条件从句引导的条件从句
32、引导的条件从句引导的条件从句中中中中,有有有有“若干的，有多少若干的，有多少若干的，有多少若干的，有多少”的意思。的意思。的意思。的意思。ExplanationExplanation e.g.If you have any time,Id like to e.g.If you have any time,Id like to talk with you.talk with you.2.I think I dropped it 2.I think I dropped it duringduring the the concerts so it might still be in the conc
33、erts so it might still be in the symphony hall.symphony hall.用在已知的时期、节日或表示时间用在已知的时期、节日或表示时间用在已知的时期、节日或表示时间用在已知的时期、节日或表示时间观念的名词前观念的名词前观念的名词前观念的名词前 e.g.e.g.duringduring the summer,the summer,duringduring my my holidays,holidays,duringduring our stay in Japan.our stay in Japan.意思为意思为意思为意思为:“:“当当当当之际之际之
34、际之际”既可指某一动既可指某一动既可指某一动既可指某一动作在某个时期内连续不断的发生作在某个时期内连续不断的发生作在某个时期内连续不断的发生作在某个时期内连续不断的发生,也也也也可指某个动作在这一时期内的某一可指某个动作在这一时期内的某一可指某个动作在这一时期内的某一可指某个动作在这一时期内的某一时间发生：时间发生：时间发生：时间发生：e.g.It snowed all day but stopped e.g.It snowed all day but stopped snowing snowing duringduring that night.that night.Subject:Than
35、ks!From:SusanSubject:Thanks!From:Susan Dear Sandy,Dear Sandy,When you left a package for me When you left a package for me yesterday,I had difficulty waiting yesterday,I had difficulty waiting until my birthday to open it.until my birthday to open it.I dont know how to thank you I dont know how to t
36、hank you for such an for such an attractive present.attractive present.One sample thank-you letter:One sample thank-you letter:It is something that will give me It is something that will give me pleasure for a long time to come.pleasure for a long time to come.Please accept my sincere thanks Please
37、accept my sincere thanks and best wishes.and best wishes.Cordially,Cordially,Susan SusanA:What do you think“anxious”mean?B:Well,it cant mean“happy”.A:It might mean“worried”.B:Oh,yes.Shes worried because of her test.3bA:What do you think“concert”mean?B:Well,it cant mean“music”.A:It might mean“a perfo
38、rmance of music by players or singers”.B:Oh,yes.She was in the symphony hall.Sample conversations(4:P36)1.Here is a Chinese-English dictionary.It could belong to Mary.I know she has one.I dont think so.It cant be Marys.This one is new,but hers is old.2.Here is a flower.The owner must be a girl.Well,
39、it could be a boy.The flower might be a present for his teacher.A:Heres a school T-shirt.The owner must be a student.B:Well,it could be a classmate of ours.The school T-shirt is the same as ours.A:Heres a hair band.The owner cant be a boy.B:Well,it could be a boy.The hair band might be a present for
40、 his mother.Fill in the blanks with must,may,might,could,cant1.Whose earrings are these?They _ be Marys.she wears earrings sometimes.2.Gina _ come to the party tonight,but Im not sure.3.The telephone is ringing,but nobody answers it.He _ be at home.4.Is this Lan Qiangs boxing glove?Yes,it _ be his.T
41、here is his name on the back.5.Youd better take an umbrella.It _ rain this afternoon.Please say what is happening in the classroom.Listening(1,2a,2b:P37)Listening(1,2a,2b:P37)插入声音插入声音The man is running.The man is running.The UFO is landing.The UFO is landing.The alien is The alien is chasing the cha
42、sing the man.man.1.The UFO is landing.It is coming down from the sky!2.The terrible,ugly,frightening alien is chasing the people.3.The frightened man is looking back at the alien.4.A woman with camera is shooting films.5.They must be making a movie.2aa helicoptera UFOan aliendreamingfrom the TV news
43、making a movieListening text 插入声音插入声音Man:Hey,look at the man running down the street.I wonder whats happening?Woman:He could be running for exercise.Man:But hes wearing a suit.WomanWoman:Well,he might be late for:Well,he might be late for work.work.ManMan:He looks kind of scared.:He looks kind of sc
44、ared.WomanWoman:Oh,no!Whats that?:Oh,no!Whats that?ManMan:Where?:Where?WomanWoman:Theres something in the sky.:Theres something in the sky.ManMan:It could be a helicopter.:It could be a helicopter.WomanWoman:No,it cant be a helicopter.:No,it cant be a helicopter.Its too big.It must be a UFO.Its too
45、big.It must be a UFO.ManMan:A UFO?Whats going on?:A UFO?Whats going on?WomanWoman:Look,now the UFO is:Look,now the UFO is landing landingManMan:And theres a strange creature:And theres a strange creature getting out.It must be an alien.getting out.It must be an alien.Woman:And the alien is chasing t
46、he man!I must be dreaming.Man:Maybe we should call the police.(pause)Hey,wait a minute.Whats that?Woman:Where?Man:Over there.Woman:Its a woman with a camera.Man:She could be from the TV news.Woman:No,look at all those other people.Theyre actors.Oh!They must be making a movie.A:Why do you think the m
47、an is running?B:He could be running for exercise.A:No,hes wearing a suit.He might be running to catch a bus.B:Theres something in the sky.It could be a helicopter.A:No,it cant be a helicopter.It must be a UFO.2cB:And theres a strange creature getting out.It must be an alien.A:I must be dreaming.B:Lo
48、ok,theres a woman with a camera.A:She could be from the TV news.B:Oh!They must be making a movie.Sample dialogue 1:A:Why do you think the strange creature is running after the man?B:It could be playing with the man for fun.A:No,cant you see it is very fierce?It must be hungry.PairworkPairwork(2c:P37
49、)(2c:P37)Sample dialogue 2:A:Why do you think the girl is crying?B:She could be crying for the failing of the exam.A:No,her cat died.She might be crying for her dead cat.Sample dialogue 3:A:Why do you think the boy is laughing?B:He could be laughing for the exciting result of the match.A:No,cant you
50、 see hes reading a storybook.He must be laughing for a funny story.1.-Whose pen is this?-It _ Liu Mei because I saw her use it the other day.A.cant be B.might be C.must belong to2.Thats a piece of good news.They _ glad to hear that.A.can be B.might be C.must be3.Mary _ be in Paris.I saw her in town