九年级英语It must belong to Carla课件1.ppt

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1、Section AUnit 5It must belong to Carla.九年级新目标九年级新目标Warm up He must beHe might beSummarizeModal verbPossibilitymust100%(sth is probably true)mightcould 20-80%(sth is possibly true)cant 0%(sth isnt true)1a.Look at the picture and classify the following things.Clothing Fun things Kitchen things hat vol

2、leyball plateT-shirttoy carCDmagazinebookjacketcupsWrite the things you see in the correct columns in the chart.1b.Listen and find the owner of those things.PersonThing Reason Janes little brotherMaryCarla Deng wen Grace volleyballtoy carmagazinebookCDHemingway is her favorite author.She loves volle

3、yball.He was the only little kid at the picnic.She always litens to classical music.He loves cats.1c.PairworkIt must be Janes little brothers.Because he was the only little kid at the picnic.Look!whose toy car is this?Another example It might belong to Alice.She plays the guitar.Whose guitar is this

4、?2a.Listen and write down the things in the backpack.Check your answerT-shirt Hair bandTennis balls2b.Listen again and fill in the blanks.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.mustmustcantcantcould

5、couldmightmightmustmustcouldmightmustcant100%probably true20%-80%possibly true0almost not true2c.Fill in the blanks with“must”,“could”,“might”,“cant”.The notebook _ be Mings.The homework _ be Carols.The soccer ball _ be Johns or Tonys.The French book _ be Li Yangs.must/mightcantmightmustIt _ be stil

6、l at school.The photo _ be Lus.The red bicycle _ be Hus.This ticket _ be my aunts or uncles.mustcantmightmight/must3a.Reading and SpeakingA thank-you letter must be a personal letter.In the letter the writer may express his gratitude for what the receiver has done for him/her.Number the parts in ord

7、er.Read the thank-you message Linda wrote to Anna on page 36.Order:5,2,4,3,1Key wordsanxious crucial algebraoptometrist worriedvery important,because it will affect other things a type of mathematicsa person whose job is to examine peoples eyes and to recommend and sell glassessymphonya long piece o

8、f music for a large orchestra in three or four main parts.(交响乐）交响乐）Explanation1.If you have any idea where it might be,please call me.If you have any idea =If you know 意思是“如果你知道”,any用于if 引 导的条件从句中,意为“若干的，有多少”。e.g.If you have any time,Id like to talk with you.2.no more 与 notany more的区别 二者都是表示“不再”，“再没

9、有”，no more 要用在谈数量或程度，notany more用在谈时间时。e.g.There is no more bread.(指数量)Hes no more genius than I am.(指程度)He doesnt live here any more.(指时间)3.I think I dropped it during the concerts so it might still be in the symphony hall.during用在已知的时期、节日或表示 时间观念的名词前。e.g.during the summer,during my holidays during

10、意思为:“当之际”既可指某一动作 在某个时期内连续不断的发生,也可指某个 动作在这一时期内的某一时间发生。e.g.It snowed all day but stopped snowing during that night.4.Its crucial that I study for it because it makes up 30%of the final exam.它对它对我备考学习至关重要我备考学习至关重要,因为它占期末考试因为它占期末考试 的百分之三十。的百分之三十。(1)此句中的此句中的it是形式主语是形式主语,that 引导的句子是引导的句子是 真正的主语，即主语从句。真正的主

11、语，即主语从句。e.g.It is a mystery how the man escaped.那个人是如何逃跑的是个谜。那个人是如何逃跑的是个谜。It is certain that she will succeed.她会成功是肯定的。她会成功是肯定的。(2)crucial 是形容词是形容词,在这里意为在这里意为“至关重要的至关重要的”,常与常与to 连用。连用。e.g.The travel was crucial to his writing later.那次旅行对他后来的写作至关重要。那次旅行对他后来的写作至关重要。3b.PairworkTalk about the words you

12、dont understnd.Use“cant”,“must”,“could”or“might”.What do you think“anxious”means?Well,it cant mean happy.It might mean“worrie”.Oh,yes.Shes worried because of her test.A Sample dialogue 4.Pairwork Look at the things in the backpack below.Make guesses about the owner of the backpack.Sample dialogue 1A

13、:Here is a Chinese-English dictionary.It could belong to Mary.I know she has one.B:I dont think so.It cant be Marys.This one is new,but hers is old.Sample dialogue 2Well,it could be a boy.The flower might be a present for his teacher.Here is a flower.The owner must be a girl.Grammar focus 在英语中，表示对某件

14、事物的确定程度即表示推测的时候，我们通常会用到以下情态动词:must,might,could,may,cant,couldnt.确信程度大小：must may might肯定和否定的推测：must（肯定），cant，couldnt(否定）情态动词must,might,could,cant 后接动词原形,可以表示对现在的情况的推测.It cant(不可能不可能)It might/could(有可能有可能)It must(肯定肯定)+be(cold/happy/sbs)It must be Tonys（是（是的）的）belong to Tony.(属于属于)一一.can和和could的区别和用法的

15、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,或根据客观或根据客观条件能做某种动作的条件能做某种动作的“能力能力”。e.g.Can you speak English？Can you make a cake？can用在否定句和疑问句中时有时表示说话用在否定句和疑问句中时有时表示说话人的人的“猜测猜测”或或“不肯定不肯定”。e.g.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表示表示“允许允许”,may比较正式比较正式)2.could 是 can的过去式,表示过去有过的能力和可能性,还有怀疑和不肯定的意思(在否定和疑问句中

16、)。e.g.She couldnt skate when she was five years old.（能力）At that time we thought the story could be true （可能性）could用来提问,是有礼貌的请求.Could.,please?语气较为婉转。e.g.Could I speak to Mr.Smith,please?二.may和might的区别和用法:1.may的用法:表示“允许”或“请求”。e.g.May I come in？在使用这一用法时需注意:may表示“允许”的否定形式是must not,意思是“不应该”“不许可”。e.g.May

17、I take this book out of the reading-room？No,you mustnt表示说话人的猜测，认为某一事情表示说话人的猜测，认为某一事情“或许或许”或或“可能可能”发生。发生。e.g.He may know the answer may用在感叹句中可表示祝愿或愿望。用在感叹句中可表示祝愿或愿望。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:mightmight可以代替可以代替可以代替可以代替may,may,

18、表示现在时间的表示现在时间的表示现在时间的表示现在时间的动作，但语气较为婉转客气或更加不肯定。动作，但语气较为婉转客气或更加不肯定。动作，但语气较为婉转客气或更加不肯定。动作，但语气较为婉转客气或更加不肯定。e e.g.g.MightMight I take a suggestion I take a suggestion？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.You e.g.You mightmight pay more attention to pay more atten

19、tion to spoken Englishspoken English三三.must.must与与have tohave to的区别的区别 havehave to to比较强调客观需要比较强调客观需要,mustmust着重说明着重说明主观看法。另外主观看法。另外have tohave to能用于更多时态能用于更多时态,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.We We mustmust 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,

20、意思差别不大。意思差别不大。e.g.We e.g.We must/have tomust/have to leave now.leave now.mustmust在表示说话人对事物的推测时注意它在表示说话人对事物的推测时注意它在表示说话人对事物的推测时注意它在表示说话人对事物的推测时注意它比比比比maymay肯定得多肯定得多肯定得多肯定得多,相当于汉语的相当于汉语的相当于汉语的相当于汉语的“一定一定一定一定”或或或或“准准准准是是是是”。(只有在肯定句中能这样用。只有在肯定句中能这样用。只有在肯定句中能这样用。只有在肯定句中能这样用。)e.g.This e.g.This mustmust be

21、 your room 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,如果是否定的如果是否定的如果是否定的如果是否定的答复，不能用答复，不能用答复，不能用答复，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”的意思。的意思。的意思。的意思。各种预测各种预测1.按照推测的可能性来区别按照推测的可能性来区别,must的可能性的可能性2.最大

22、最大,may次之。次之。could和和might不表示过去不表示过去3.时态时态,只是表示推测的可能性比只是表示推测的可能性比较小。较小。4.e.g.Its two oclock now.He must be in 5.by now.He may go back in the fall.He thinks it could/might be wise to try his luck there.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：“情态动词情态动词+动词原形动词原形”表示对现在情况的表示对现在情况的 推测。例如：推测。例如：This book must be Toms.

23、He is looking for it.这本书一定是汤姆的。他正在找这本书。这本书一定是汤姆的。他正在找这本书。“情态动词情态动词+be+v-ing形式形式”表示对现表示对现 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。“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。例如：示对过去情况的推测。例如：The road is wet.It must hav

24、e 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。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我们的老师一定在办公室,因为灯还亮因为灯还亮 着。着。小帖士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”。e.g.He cant be at home because he has gone

25、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。.Choose the best answer1.I didnt hear the phone.I _ a sleep.A.must be B.must have been C.should be D.should have been2.Mary _ be in Paris.I saw her in town only a few minutes ago.A.mustnt B.shouldnt C.cant D.may notB C 3.Peter _ come with us tonight,but he is

26、nt 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 B.Translation1.这本书一定是李雷的。他正在找这本书。2.这个发带可能是韩梅的。她喜欢戴发带。This book must be Li Leis.He is looking for it.The hair band could be Han Meis.She likes wearing a h

27、air band.3.这个玩具熊可能是约翰的妹妹的。她还 是个小姑娘。4.这个排球不是玛丽的。她根本不喜欢 排球。The toy bear might belong to Johns sister.She is a little girl.The volleyball cant be Marys.She doesnt like playing volleyball at all.I think the bookmark must be useful whenwe are reading.Reading makes a full man.(阅读使人充实.）Chicken soup(心灵鸡汤心灵鸡汤)Homework1.Memorize the key words.2.Finish exercise 7 on page 43.