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1、Unit 5 It must belong to Carla.Section AGuessing Who has the following things? Lead in 表示推测的情态动词表示推测的情态动词 在英语中，表示对某事物的确定程度，在英语中，表示对某事物的确定程度，即表示推测的时候，我们通常会用到以下情态动词：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. Presentationmustcant could might100%probably true20%-80%possibly true0almo
2、st not true程度程度肯定句肯定句否定句否定句疑问句疑问句must may might/could cantcanLearn to make inference(推理推理) must用在肯定句中表示较有把握的推测，意为用在肯定句中表示较有把握的推测，意为“一一定定”。(100%) He must be working at home. must 表示对已发生的事情的推测时，表示对已发生的事情的推测时，must 要接完成要接完成时时 . The road is wet. It must have rained last night. He cant be _. He could/migh
3、t 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 might be _.Can you guess what it is?a dogtwo girls1a Look at the picture.Write the things you see in the correct columns.ClothingFun thingsKitchen thingshatvolleyballplateT-shi
4、rtsweaterbookmagazineCD toy carcup1b Listen and match each person with a thing and a reason.PersonThingReasonJanes little brothervolleyballHemingway is her favorite author.Marry toy carShe loves volleyball.Carla magazineHe was the only little kid at the picnic.Deng WenbookShe always listens to class
5、ical music.Grace CDHe loves cats.1c PAIRWORKA: Whose _ is this? B: It must be _s./It must belong to . .2.favorite, like, lovee.g. I like Yao Ming best.=I love Yao Ming.=My _ star is Yao Ming.favoriteLanguage Points1.must be +sbs 意为意为“一定是某人的一定是某人的” must belong to sb.意为意为“一定属于某人一定属于某人”The book must be
6、 Marys.=The book must belong to Mary.4. listen to musicpop music folk music jazz light music heavy musichip hop rock-roll rap tap 流行音乐流行音乐民乐民乐爵士乐爵士乐轻音乐轻音乐重金属音乐重金属音乐街舞街舞摇滚乐摇滚乐说唱乐说唱乐3. only (a.) & (ad.)e.g. 他是家里唯一一个男孩。他是家里唯一一个男孩。我只见过他一次。我只见过他一次。我的眼里只有你。我的眼里只有你。He is the only boy in his family.Ive only
7、 seen him once.Only you in my eyes.5.表示猜测的常用表达方式有表示猜测的常用表达方式有：(1)must be “肯定是肯定是” 表示把握较大的推测。表示把握较大的推测。(2)may/might/could be “可能可能/或许是或许是”把握不大。把握不大。(3)cant be “肯定不是肯定不是” 把握性很大的否定。把握性很大的否定。2a Listen and write down the things in the backpack.T-shirtHair bandTennis ballsThings in the backpack1. The pers
8、on must 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. cantcouldmustmight2b Listen again. Fill in the blanks.2c Fill in the blanks with “must”, “might”, “could” or “cant”. Then tell your partner why you choose the words
9、.1. The notebook _be Mings. It was on her desk.2.The homework _be Carols. She wasnt at school today.3. The soccer ball _be Johns or Tonys. They both play soccer, dont they?must/mightcantmight5. I cant find my backpack. It _ be still at school.6. The photo _be Lus. Those are his parents.7. The red bi
10、cycle _be Hus. She has a blue bicycle.8. This ticket _be my aunts or uncles. Theyre both going to the concert.mustmight/mustmust4. The French book _be Li Yings. Shes the only one whos studying FrenchcantmightGrammar focus:1. Whose notebook is this? It _(肯定肯定)Mings. It has her name on it.2. Whose Fre
11、nch book is this? It _(可能可能是是)Alices. She studies French.3. Whose guitar is this? It might _(属于属于)Alice. She plays the guitar.4.Whose T-shirt is this? It _(不可能不可能)Johns. Its much too small for him.must becould bebelong tocant be3a Read the thank-you message Linda wrote to Anna. Number the parts in o
12、rder and circle the words you dont know.If you have any idea where it might be, please call me.I think I dropped it during the concert so it might still be in the symphony hall.Dear Anna,交响乐，曲交响乐，曲52I tried to call you but your mom said you were still at your optometrist appointment (I hope your new
13、 glasses look nice!)验光师验光师约会，指定约会，指定4I really need it because I have a math test tomorrow. Its crucial that I study for it because it makes up 30% of the final exam.Im really anxious because I cant find my backpack. Thanks, Linda紧张；担忧紧张；担忧严重的；至关重要的严重的；至关重要的313b PAIRWORK Talk about the words you dont
14、 understand. Use “cant”, “must”, “could” or “might”.A: What do you think “anxious” means?B: Well, it cant mean “happy”.A: It might mean “worried”.B: Oh, yes. Shes worried because of her test. Sample conversations(4:P36) 1. Here is a Chinese-English dictionary. It could belong to Mary. I know she has
15、 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, it could be a boy. The flower might be a present for his teacher.1. I didnt hear the phone. I _ asleep.A. must be B. must have beenC. should be D. should have been2. Mary _
16、 be in Paris. I saw her in town only a few minutes ago.A. mustnt B. shouldnt C. cant D. may notPracticeI.单项选择单项选择 3. Peter _ come with us tonight, but he isnt very sure yet.A. must B. may C. can D. will4. I thought you _ like something to read, so I have brought you some books.A. may B. might C. cou
17、ld D. must1. 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。 This book _be Toms. He is looking for it.2. 这个发带可能是玛丽的。她喜欢戴发带。这个发带可能是玛丽的。她喜欢戴发带。 The hair band _be Marys. She likes wearing a hair band.mustcouldII.II.完成句子完成句子 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 _belong to Johns sister. She is a little girl. 4. 这个排球不是玛丽的。她根本不喜欢排球。这个排球不是玛丽的。她根本不喜欢排球。 The volleyball _be Marys. She doesnt like playing volleyball at all.mightcant1.Learn new words and phrases by heart.2.Make sentences about inferences with “must, might, could, may, cant ”. Homework Knowledge is power. 知识就是力量。