必修5Unit13教学课件U13Lesson3.pptx

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1、北师大 高二 (5) Unit 13,Lesson 3 Making Guesses about People,Unit 13 People, To practise using modals when guessing To distinguish between modals used for decision, advice and guesses,Do you often watch news on TV? What news are you most interested in?,When we watch TV serial plays, we want to know what

2、will happen in the future.,Which words do you think we will use to express our guess?,What might the two people be discussing about?2. How might they feel?3. What might they be doing?,They might be discussing about,They may feel upset / sad / worried,They might be on a camp / be caught in a rain / l

3、ose their way / be sheltering under a tree / They might feel hungry / cold / anxious / frightened by thunder,Listen to the dialogue and do the exercise.,The two students were missing _. A. perhaps because they were separated from the other students. B. in a case. C. for the reason we dont know.,2. T

4、he dialogue tells us _. A. The two students disappeared 3 days ago. B. My French tutor know where they are. C. People found them in a cottages.,3. The dialogue make various guessed except _. A. They must be frightened. B. They both are injured. C. They might have some food to eat.,Listen to the dial

5、ogue and complete the gaps.,A: Have you heard anything about the two missing students? I think my French tutor might know one of them. I saw she had tears running down her cheeks at lunch today and one of the other teachers gave her a hug.B: I heard about it from the news report on TV last night, bu

6、t havent heard about anything more since then.,A: Their friends are really upset and have been waiting anxiously for more news.,B: I cant believe that theyve been missing in the mountains for three days now! They must be so (1) _!,frightened,A: I wonder how they got lost and whose fault it was.,B: T

7、hey may have been (2) _ from the other students and couldnt hear anyone when the thunder started, or they might have (3) _ behind and taken the wrong path.,separated,fallen,A: Maybe. Or they could have gone exploring on their own and lost their way back to the group.,B: I hate to think how they must

8、 be feeling right now. Its so cold at the moment. They must be (4) _! I hope they have warm jackets made of wool.,freezing,A: They might be (5) _ in a cave.,sheltering,B: Or they could be in one of those empty cottages near the pine trees right at the top of the mountain.,A: They cant be there. Peop

9、le would have looked there first, Im sure.,B: True. Imagine how hungry they are! They cant exactly eat seeds like squirrels and sparrows do!,A: They might have (6) _ left from camping but they may not have any water.,some food,A: Me too. Their parents must be very (7) _. Itll be a real relief when t

10、heyre found.,worried,B: And one of them might be bleeding or have a broken arm or leg. I really hope the someone finds them soon.,Friends: really upset; have been waiting anxiously for more newsParents: must be very worried,Read the dialogue and answer the questions.,3. How are their friends and par

11、ents feeling?,1. What are the people discussing about?,2. Why were the two students missing?,Perhaps they were separated from the others,Two missing students,4. Who might know the students?5. Why do you think the tutor know them?,Tears running down her cheeks; one of the other teachers gave her a hu

12、g.,the French tutor,When someone has difficulty or trouble, we should care about him or her and stand on his or her feet. We cant laugh at his or her misfortune. We should show our mercy to him or her. We should have a kind heart to this world。,From the dialogue, we should learn :,Emotional meaning,

13、Discuss the following questions.,What might cause the accident? Where might they be sheltering? How might people, who know them, feel?,It was reported on TV last night that 1. _ got lost in the mountains three days ago. They may have been 2. _ from others and couldnt hear anyone, or they may have fa

14、llen behind and taken 3. _, _or they could have gone 4. _ on their own and lost their way back to the 5. _.,Read the dialogue (P12) carefully and fill in the following blanks.,two students,separated,the wrong path,exploring,group,They must be 6. _ and hungry at the moment. They might have some food

15、but may not have any 7. _. And whats worse, they may get 8. _. People hope theyll be found soon.,freezing,water,hurt,Modals for Guessing,I think my French tutor _ know one of them.2. They _ be so frightened!3. They _ have been separated from4. Or they _ have gone exploring5. They _ be there.6. they

16、_ have any water.,might,must,may,could,cant,may not,Look at the dialogue again and complete the gaps with modal verbs:,must, may, may not, might, cant, could,What meaning do the sentences above express:,decision? advice? guesses?,Which of the modal verbs in above exercise express the following?,a st

17、rong belief that something is / was true,a strong belief that something is /was not true,a possibility that something is / was true,a possibility that something is /was not true,Answers:,Strong belief/true:,Strong belief/ not true:,They cant be there.,They must be so frightened! Their parents must b

18、e very worried.,Possibility /true:,I think my French tutor might know one of them. They may have been separated from They could have gone exploring,Possibility /not true:,They may not have any water.,I think my French tutor might know one of them.,b) unlimited present time,Look at these sentences ag

19、ain and decide what they are talking about: a), b) or c),They might have fallen behind.,They might be sheltering in a cave.,a) past event,c) something happening now,表推测的情态动词情态动词must, can / could, may / might均可表示推测,但用法不同,小结如下: must表示有把握的推测,只用于肯定句中, 意为“一定, 准是”。如: They have been working hard all day. T

20、hey must be tired., can表推测时,多用于否定句或疑问句中。 could可以表示过去的可能,多用于间接引语 中;也可表示现在的可能,语气比can更委 婉。can / could意为“可能, 也许”,cant / couldnt意为“不可能”。 What can Neal possibly mean? Sam cant be at home now, for I saw him going shopping just now. At that time we thought the story could not be true., may / might表示可能性时,用于肯

21、定句和否 定句中。might表过去的可能,多用于间接引 语;也可表示现在的可能,口气比may更婉 转。如: Why not turn to Paul for help? He may know the answer. Dont be so sure. He might not lend us a hand this time. They all said that Adam might come home before Christmas., 对正在进行的情况进行猜测时,用“情态 动词 + be doing”。如: Theres a lot of noise from the next doo

22、r. They must be having a party. Hurry up! Mother might be waiting for us anxiously at home., 表示对过去的推测时,用“情态动词 + have done”。如: Laura looks very happy. She must have passed the exam. I cant find my purse anywhere. You might have lost it while shopping.【注意】表推测的情态动词所表达的肯定程度递增的顺序为:might may could can mus

23、t,may /might have +PP(过去分词)must have +PP(过去分词),对过去的推测,对现在的推测,must be + n. / adj.maybe/ must be + v-ingmust +v.(原形),cant have + PP(过去分词)cant have been+ n. / adj.,对过去的推测,对现在的推测,cant be + n. / adj.cant +v.(原形),Complete the gaps in the sentences with the modal verbs. More than one answer is possible.,Sh

24、e goes out every weekend. She _ have young children.,2. He looks upset. He _ be having some problems.,must, cant, may, might, might not, could,might not/ cant,may/might/could,3. This woman looks like a scholar. She _ work at the university.,4. His shoes are muddy. He _ be working in an office all da

25、y.,could/ might/ may,cant,6. He often goes abroad. He _ be working for the Foreign Office.,might/ must/ may/ could,5. Her clothes are all very expensive. She _ be earning a lot of money.,must/ might/could/may,Try to guess what happened in the past.,A young woman is looking at a new ring on her finge

26、r.,She might have got engaged recently.,2. A mother is telling her son off.,He might have come home late.,3. A boy has a broken arm.,He might have fallen out of a tree.,4. There is a lot of broken glass on the street.,There might have been an accident.,6. A housewife is cheering.,7. A driver is taki

27、ng a set of tools from his car.,8. A girl with wet hair is travelling on the bus.,Her husband may be cleaning the house.,His car must have broken down.,She may have been swimming.,5. A man is lying asleep on a park bench.,He could be drunk.,Rewrite the sentences using modal verbs and suitable verb f

28、orms. There may be more than one correct answer.,Im sure shes relaxing in her room. She _ in her room.,must be relaxing,2. Perhaps the postcode was wrong, and thats why the letter never arrived.,The postcode _ _wrong, and thats why the letter never arrived.,might/ may/ could have been,4. Its possibl

29、e that Sam doesnt like classical music. Sam _ classical music.,5. Im sure John is not forty-five yet. John _ forty-five yet.,may/might not like,cant be,3. I dont believe you failed the exam. You _ the exam.,cant /couldnt have failed,6. It is possible that hes studying astronomy now. He _ astronomy n

30、ow.,7. Maybe they lied to me about their adventure. They _ to me about their adventure.,may/ might/could be studying,may/might/could have lied,8. Its quite probable that Bill didnt win the competition. Bill _ the competition.,mustnt/couldnt have won,I.根据下面各句句意以及所给单词的首字母或 汉语提示词,写出该单词的正确形式(每空 一词)。1. L

31、ucy would have _ (流血) to death if we hadnt found her.2. These vegetables can be grown from _ (种子).,bled,seed(s),3. Lisa kissed her son lightly on both c_ and left.4. His jokes provided some funny r_ in what was really a dull speech.5. Dr. Miles was a distinguished _ (学者) of Russian history.6. Jane w

32、as very _ (不安的) to hear that the holiday had been cancelled.7. Did you notice the _ (眼泪) in his eyes when he talked about his father?,cheeks,relief,scholar,upset,tears,8. During my illness I was taught by a series of home _ (家庭教师).9. If a child does not attend school, the f_ lies with the parents.10

33、. You cant _ (庇护) your children from the realities of life.11. A_ is the scientific study of the stars, planets, and other natural objects in space.,tutors,fault,shelter,Astronomy,12. The t_ is getting louder and louder. I think it will rain heavily soon.13. I have to know your detailed mail address

34、: _ (邮政编码) and address.14. Married at nineteen, she is a traditional _ (家庭主妇) and mother of four children.,thunder,postcode,housewife,II.从括号内选择正确的选项填空。1. Is Simon joining us? Im not sure. He _ (must / might) be.2. Our son promised to clean his room, but it is still messy. He _ (couldnt / shouldnt) h

35、ave cleaned it.,might,couldnt,3. I dont really like James. Why did you invite him? Dont worry. He _ (might not / cant) come. He said he wasnt certain what his plans were.4. We _ (must / could) have faced the difficulty together. Why didnt you tell me?,might not,could,5. I didnt hear a sound when I p

36、assed by the childrens room earlier. They _ (could / must) have been sleeping.,must,1. Ive _ this sort of thing before. It is no news for me.2. John _ in the woods and did not get home until after midnight.3. The lighthouse _ the land by a wide channel.,III.选用方框内合适的短语并用其正确形式填空 (每个短语限用一次)。,heard about,got lost,is separated from,4. Evans had a fever, missed school and _.5. She admitted _ the police, and its she who stole the wallet on the bus yesterday.,fell behind,lying to,Do the exercise 10 and 11.,

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