Lesson3MakingGuessesaboutPeople.ppt

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1、北师大北师大北师大北师大 高二高二高二高二 (5)Unit 13(5)Unit 13Lesson 3 Making Guesses about PeopleObjectives To practise using modals when guessing To distinguish between modals used for decision,advice and guessesAt the end of this lesson,youll be able to：Do you often watch news on TV?What news are you most interested

2、 in?When we watch TV serial plays,we want to know what will happen in the future.may mustcan cant mightWhich words do you think we will use to express our guess?Guess at the pictures 1.What might the two people be discussing about?2.How might they feel?3.What might they be doing?They might be discus

3、sing aboutThey may feel upset/sad/worriedThey might be on a camp/be caught in a rain/lose their way/be sheltering under a tree/They might feel hungry/cold/anxious/frightened by thunderListen to the dialogue and do the exercise.1.The two students were missing _.A.perhaps because they were separated f

4、rom the other students.B.in a case.C.for the reason we dont know.2.The 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.

5、C.They might have some food to eat.Listen to the dialogue 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 ab

6、out it from the news report on TV last night,but 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)_!frightenedA:I wonder how they

7、got lost and whose fault it was.B:They 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.separatedfallenA:Maybe.Or they could have gone exploring on their own and lost their way back to the group.B:I hate

8、 to think how they must be feeling right now.Its so cold at the moment.They must be(4)_!I hope they have warm jackets made of wool.freezingA:They might be(5)_ in a cave.shelteringB: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 the

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

10、und.worriedB: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 worriedRead the dialogue and answer the questions.1.How are their friends and parents feeling?2.Who

11、might know the students?3.Why do you think the tutor know them?Tears running down her cheeks;one of the other teachers gave her a hug.the French tutorSpeakers guessesGuessesEvidenceCausesmay have been separated from others and couldnt hear anyone;(A)-might have fallen behind and taken the wrong path

12、;(A)-could have gone exploring on their own and lost their way back.(B)-Present situationGuessesEvidencemight be sheltering in a cave;(A)-could be in one of the empty cottages;(B)-cant be in one of the empty cottages;(A)People could have looked there first.Present situationmight have some food left

13、from the camping but may not have any water;(A)one of them might be bleeding or have a broken arm or leg.(B)-GuessesEvidenceFeelingmust be so frightened;(B)Theyve been missing in the mountain for 3 days.must be freezing.(B)Its so cold at the moment.Pair workDiscuss the following questions.What might

14、 cause the accident?Where might they be sheltering?How might people,who know them,feel?Grammar Modals for Guessing 1.I think my French tutor _ know 2.one of them.3.2.They _ be so frightened!4.3.They _ have been separated from5.4.They _ have gone exploring6.5.They _ be there.7.6.They _ have any water

15、.mightmustmaycouldcantmay notLook 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:A.decision?B.advice?C.guesses?Which of the modal verbs in above exercise express the following?a strong belief that something i

16、s/was truea strong belief that something is/was not truea possibility that something is/was truea possibility that something is/was not trueAnswers:Strong belief/true:Strong belief/not true:They cant be there.They must be so frightened!Their parents must be very worried.Possibility/true:I think my F

17、rench tutor might know one of them.They may have been separated from They could have gone exploringPossibility/not true:They may not have any water.I think my French tutor might know one of them.b)unlimited present timeLook at these sentences again and decide what they are talking about:a),b)or c)Th

18、ey might have fallen behind.They might be sheltering in a cave.a)past eventc)something happening now表推测的情态动词表推测的情态动词情态动词情态动词must,can/could,may/might均可表均可表示推测，但用法不同，小结如下：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，表示有把握的推测，只用于肯定句中，意为意为“一定，一定，准是准是”。如：。如：They have been working hard all day.They must be tired.c

19、an表推测时，多用于否定句或疑问句中。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，语气比中；也可表示现在的可能，语气比can更委更委 婉。婉。can/could意为意为“可能，可能，也许也许”，cant/couldnt意为意为“不可能不可能”。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 n

20、ot be true.may/might表示可能性时，用于肯定句和否表示可能性时，用于肯定句和否 定句中。定句中。might表过去的可能，多用于间接引表过去的可能，多用于间接引 语；也可表示现在的可能，口气比语；也可表示现在的可能，口气比may更婉更婉 转。如：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

21、正在进行的情况进行猜测时，用对正在进行的情况进行猜测时，用“情态情态 动词动词+be doing”。如：。如：Theres a lot of noise from the next door.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，用表示对过去的推测时，用“情态动词情态动词+have done”。如：。如：Laura looks very happy.She must have passed the exam.I cant find my pu

22、rse anywhere.You might have lost it while shopping.【注意注意】表推测的情态动词所表达的肯定程度递增的表推测的情态动词所表达的肯定程度递增的顺序为：顺序为：might may could can mustmay/might have+PP(过去分词过去分词)must have+PP(过去分词过去分词)肯定句肯定句对过去对过去的推测的推测对现在对现在的推测的推测must be+n./adj.maybe/must be+v-ingmust+v.(原形原形)cant have+PP(过去分词过去分词)cant have been+n./adj.对过去

23、的推测对过去的推测对现在的推测对现在的推测否定句否定句cant be+n./adj.cant+v.(原形原形)Complete the gaps in the sentences with the modal verbs.More than one answer is possible.1.She goes out every weekend.She2._ have young children.2.He looks depressed.He _ be having some problems.must,cant,may,might,might not,couldmight not/cantm

24、ay/might/could3.This woman looks like a scholar.She _ work at the university.4.His shoes are muddy.He _ be working in an office all day.could/might/maycant6.He often goes abroad.He _ be working for the Foreign Office.might/must/may/could5.Her clothes are all very expensive.She _ be earning a lot of

25、money.must/might/could/mayTry to guess what happened in the past.1.A young woman is looking at a new2.ring on her finger.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

26、broken glass on the street.There might have been an accident.6.A housewife is cheering.7.A driver is taking a set of tool kit from the boot.8.A girl with wet hair is traveling 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 a

27、sleep on a park bench.He could be drunk.Rewrite the sentences using modal verbs and suitable verb forms.There may be more than one correct answer.1.Im sure shes relaxing in her room.2.She _ in her room.must be relaxing2.Perhaps the postcode was wrong,and thats why the letter never arrived.The postco

28、de _ _wrong,and thats why the letter never arrived.might/may/could have been4.Its possible 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 likecant be3.I dont believe you failed the exam.You _ the exam.cant have fail

29、ed6.It is possible that hes studying astronomy now.He _ astronomy now.7.Maybe they lied to me about their adventure.They _ to me about their adventure.may/might/could be studyingmay/might/could have lied8.Its quite probable that Bill didnt win the competition.Bill _ the competition.mustnt/couldnt ha

30、ve wonBest Choice1.Do you know where David is?I 2.couldnt find him anywhere.Well.He _ have gone far-his coats still here.A.shouldnt B.mustnt C.cant D.wouldnt 2.Excuse me.Is this the right way to the Summer Palace?Sorry,I am not sure.But it _ be.A.might B.willC.must D.can3.Tom graduated from college

31、at a very young age.Oh,he _ have been a very smart boy then.A.could B.should C.might D.must4.I heard they went skiing in the mountains last winter.It _ true because there was little snow there.A.may not be B.wont be C.couldnt be D.mustnt be5.Jack _ yet,otherwise he would have telephoned me.A.mustnt

32、have arrived B.shouldnt have arrived C.cant have arrived D.neednt have arrived6.Didnt you know that you went driving at 100 kilometers an hour,Madam?_.My old car can do no more than 80,officer.A.I may not have been B.I couldnt have been C.I mustnt have been D.I shouldnt have been Do the exercise 10 and 11.