SectionA1 (2)

1、Unit 5It must belong to Carla.,Section A Period 1,must,cant,could may might,100% probably true,20%-80% possibly true,almost not true,Whose notebook is this? It be Nings. It has her name on it,must,Whose guitar is this?,It might belong to Alice. She plays the guitar.,What can the two boys be watching

2、? You can go and ask them, but they may not answer you.,Whose T-shirts is this?,It cant be Johns. Its much too small for him,Guessing game,It cant be ,It may/might/could be ,What kind of animal is it?,It must be ,She may be .,No, I think she could be .,I know she must be ,Who is the singer?,He cant

3、be _. He could/might be _.,He cant be _. He could/might be _.,He cant be _. He could/might be _.,He cant be _. He could/might be _.,He must be _.,Can you guess what it is? It could be _. It also might be _.,a white vase,two faces,It could be _. It also might be _.,Can you guess what it is?,a dog,two

4、 girls,It might be a young woman.,It could be an old woman.,Could A be bigger than B? In fact, A and B must be _ _.,Which one is bigger, A or B?,A,B,the same size,No.,表示推测的情态动词 在英语中，表示对某件事物的确定 程度，即表示推测的时候，我们通常会 用到以下情态动词: must, might, could, may, cant, couldnt。,一、can和could的区别和用法 1. can表示体力和脑力方面的能力, 或

5、根 据客观条件能做某种动作的“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 示说话人的“猜测”或“不肯定”。,例如： Can the news be true? (在日常会话中, can可代替may表示“允许”, may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)。,e.g. She couldnt skate when she was five years old. （能力） At that time we th

6、ought 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、might和may的区别和用法: 1. may的用法: a. 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 I take this book out of the reading-room? No, y

7、ou mustnt. b. 表示说话人的猜测，认为某一事情“或许”或“可能”发生。,e.g. He may know the answer.,c. may用在感叹句中可表示祝愿、愿 望。 e.g. May you succeed. (祝你成功。) May you have a pleasant journey. (一路平安。),2. might的用法: a. might可以代替may, 表示现在 时间的动作，但语气较为婉转客气 或更加不肯定。 e.g. Might I take a suggestion? b. might用来表示现在时间时, 还 可表示“规劝”。,e.g. You might

8、 pay more attention to spoken English,三、must与have to的区别： have to比较强调客观需要, must着 重说明主观看法。另外have to能用于更 多时态, 比较下面的句子：,We had to be there at 10:00. 有时两者都可以用, 意思差别不大。 e.g. We must/have to leave now. must在表示说话人对事物的推测时 候要注意它比may肯定得多, 相当于汉语 的“一定”或“准是”。(只有在肯定句中能 这样用。),e.g. This must be your room. 在回答由must引起

9、的问题时, 如果 是否定的答复, 不能用mustnt, 而需要 用neednt或dont have to, 因为mustnt 是“一定不要”的意思。,Choose the best answer.,( ) 1. Susans parents have bought a large house with a swimming pool. It _ be very expensive. A. mustB. can C. mustntD. may not ( ) 2. Henry _ be at home because he phoned me from the farm just now. A.

10、 mustntB. isnt able to C. may notD. cant,A,D,( ) 3. Whose red backpack is this? It _ be Toms. His backpack is red. A. mightB. need C. mustD. cant,A,1. 这本书一定是李雷的。他正在找这本书。 This book must be Li Leis. He is looking for the book.,2.Translation,2. 这个发带可能是韩梅的。她喜欢戴发带。 The hair band could be Han Meis. She li

11、kes wearing a hair band.,3. 这个玩具可能是约翰的妹妹的。 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。她根本不喜欢排球。 The volleyball cant be Marys. She doesnt like playing volleyball at all.,- It _ be the mans.,cant,must,- Whose dress is this?,- It _ be the ladys.,-It _ be the

12、boys.,could/ might,-Whose sport sweater is this?,-It _ be the girls.,could/ might,- Whose jacket is this?,- It .,1a Look at the picture. Write the things you see in the correct columns in the chart.,jacket,T-shirt,CD,toy car,magazine,book,cups,1b Listen and match each person with a thing for the fir

13、st time.,Person Janes little brother Mary Carla Deng Wen Grace,Thing volleyball toy car magazine book CD,Listen again and find the reason for each person with the thing.,Janes little brother with a toy car Mary with a book Carla with a volleyball Deng Wen with a magazine Grace with a CD,a. Hemingway

14、 is her favorite author. b. She loves volleyball. c. He was the only little kid at the picnic. d. She always listen to classical music. e. He loves cats.,c,a,b,e,d,1c Practice making conversations.,Sample dialogue 1: A: Look! Whose toy car is this? B: It must be Janes little brothers. Because he was

15、 the only little kid at the picnic.,Sample dialogue 2: A: Look! Whose book is this? B: It must be Marys. Because Hemingway is her favorite author.,Sample dialogue 3: A: Whose CD is this? B: It must be Graces. Because she always listens to classical music.,Things in the backpack _ _ 3. _,T-shirt,hair

16、 band,2a Listen and write down the things in the backpack.,tennis balls,2b 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.,must,cant,could,might,must,2c Fill in

17、 the blanks with “must”, “might”, “could” or “cant”. Then tell your partner why you chose the words.,The notebook _ be Mings. It was on her desk. The homework _ be Carols. She wasnt at school today. The soccer ball _ be Johns or Tonys. They both play soccer, dont they?,must,cant,might,The French boo

18、k _ be Li Yings. Shes the only one whos studying French. I cant find my backpack. It _ be still at school. The photo _ be Lus. Those are his parents. The red bicycle _ be Hus. She has a blue bicycle. This ticket _ be my aunts or uncles. Theyre both going to the concert.,must,cant,must,might,might/mu

19、st,A 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.,3a Read the thank-you message Linda wrote to Anna. Number the parts in order and circle the words you dont know.,Subject: Thanks! From: Linda Dear Anna, _

20、 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.,5,2,4,_ I tried to call you but your mom said you were still at your optometrist appointment (I hope your new glasses look nice!) _ I really need it because I

21、 have a math test tomorrow. Its crucial that I study for it because it makes up 30% of the final exam.,3,1,_ Im really anxious, because I cant find my backpack. Thanks, Linda,1) Whats the matter with Linda? 2) Why does she need it?,She cant find her backpack.,Because she will have a math test tomorr

22、ow and it makes up 30% of the final exam.,Read the letter again and answer the questions.,3) What did she do to deal with her problem? 4) Where might it be? And when was it dropped?,She asked Anna to help her.,She dropped it during the concert so it might still be in the symphony hall.,3b Talk about

23、 the words you dont understand. Use “cant”, “must”, “could” or “might”.,Sample 1 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 2 A: What do you think “crucial” means? B: Well, it cant mean “useless”. A: It might mean “important”. B: Oh, yes. It is important for her to study for the math test tomorrow.,I. 根据句意及首字母提示补全下列句中 所缺单词。 1. That big house b_ to Tom, not to his brother. 2. We shall have a p_ tomorrow. What food and dr