Unit 5 It must belong to Carla.Section ATeacher: Mr YuanLook and guess.Who is she?She cant be Guo Jingjing.She might/could be Wang Nan.She must be Zhang Yining.?Oh, yes. She is Zhang Yining.cant在此表示猜测，译为“不可能”，一定不是， 。might/could在此表示猜测，译为“也许，可能”， 。must在此表示猜测，译为“肯定，极可能”， 。 Li XingA: Whose book is this?B: 我们通常用以下的情态动词我们通常用以下的情态动词表示推测：表示推测： must, might, could, cant,得到结论得到结论1,must表示一定，肯定（100%的可能性）2,might/could表示有可能,也许（20%80%的可能性）3,cant表示不可能，一定不（可能性几乎为零）Guessing gamesYou can use must /could/might/cant to guessListen and find out Challenge 2（听力挑战）（测测你的听力是否合适作侦探）测测你的听力是否合适作侦探）Use: It might/could/must be What does she do?She _ be a/an_What does she do?She _What does he do?He could/might be a/an_?He cant be might/could be must beWho is he?Look and guess. Using “cant , might (could), must.1a : Look at the picture. Write the things you see in the correct columns in the chart.ClothingFun thingsKitchen thingshatjacketT-shirtvolleyballmagazinetoy carbookplatecupsCD1b1bPersonThingReasonJanes littlebrotherMaryCarla Deng Wen Gracevolleyball toy carmagazine book CDHemingway is her favorite author.She loves volleyball.He was the only little kid at the picnic.She always listens to classical music.He loves cats.2.A: Whose book is this?2.A: Whose book is this? B: B: It must be MarysIt must be Marys. . Because Hemingway is her favorite author. Because Hemingway is her favorite author. （利用利用1b1b中的信息两人一组练习对话中的信息两人一组练习对话 ）1.A: Whose volleyball is this? B: It must belong to Carla. She loves volleyball.It must belong to MaryIt must be Carlas 属于某人属于某人= =是某人的是某人的belong to sb=be sbsThe bike belongs to me.=The bike is mineThe book belongs to Xie Ning.=The book is Xie Nings.Pairwork:Look at the picture above and make conversations using the information in the chart in 1b . A: Whose is this ? B: It Whose skirt is this?MikeIt _belong to Mike.It _ be Janes.Jane1、Exercise: 用用must, could, might, cant填空。填空。 1.When traffic lights are red, we _ stop and wait. A. may B. can C. must (2007南京) 2.-Look at the boy running on the playground. Is it Davis? -It _be him. I saw him go to the teachers office just now. A. must B. cant C. might (2007湖北黄岗) 3.Even the top students in our class didnt work out the problem. So it _be very difficult. A. need B. must C. cant (2007山东滨州） 走向中考走向中考C CA AB B1.The dictionary _belong to Ming. It was on her desk.2.Lucy _ be in school. She was ill in hospital today.3.The basketball _ be Johns or Tonys. They both like to play basketball, dont they?4.The French book _ be Li Yings. Shes the only one whos studying French.5.I cant find my pen. It _ be in your pencil-box.6.The photo _ belong to Lily. Because she is in the photo.7.The red bike _ be Meis. Her bike is blue.8.This ticket _ be my aunts or uncles. Theyre both going to the concert.Homework: Fill in the blanks with “must, might, could, cant”. mustcantmightmustcould /mightmustcantcould