Unit 13 People 导学案（4）Lesson 3 Making Guesses about peopleTips: Eat to live, but not live to eat.吃饭是为了生存，但生存不是为了吃饭。
Learning aims:1.Get the general ideas of the text2.Grammar---Modals for guessingLearning important point: Modals for guessing情态动词猜测用法Learning difficult point: Modals for guessingLearning guides: 通过观察，归纳总结语法规律Learning processes:Step I 短语集结（在P12-13中划出下列词组）A级1.run down ___________2.give sb a hug ______________3.since then ___________4.have sth./sb. doing__________5.get lost______________6.separate from _____________7.on one’s way _________ 8.at the moment ____________9.lose one’s way _________10.at the top of the muntain _____________11.go abroad______________ 12.tell sb. off____________13.fail the exam____________Step II 文句分析B级1.I saw she had tears running down her cheeks at lunch today and one of the other teachers gave her a hug.译文：__________________________________________2.Their friends are really upset and have been waiting anxiously for more news.译文：_________________________________________have been waiting 是现在完成进行时，表示动作发生在过去并持续到现在。
Eg:我一直在做饭。
_________________________3.They may have been separated from the other students and couldn’t hear anyone when the thunder started, or they might have fallen behind and taken the wrong path 译文:_______________________________________________________________________________________________________________separate 指把原来结合在一起的或混合在一起的东西分开或隔开divide 着重指整体分成若干部分eg:The two dogs started to fight , so we tried to ___ them from each other.A. spiltB. separateC.distinguishD. divide4. Or they could have gone exploring on their own and lost their way back to the group.译文：______________________________________________________________________________________________________________5.Imagine how hungry they are!译文：how 引导_______从句imagine +doing/ to do / 宾从6.It’ll be a real relief when they’re found.relief n. 减轻，宽慰to one’s relief 使某人放心的是relief sb. of ……解除某人的负担StepIII: Grammar C级Discovery 1：Look at the dialogue and complete the gaps.•I think my French tutor ______ know …•They _____ be so frightened!•They _____ have been separated from…•Or they _____ have gone exploring…•They ____ be there.•… they ________ have any water.思考：上述句子所表达的意思是：______a) decision? b) advice? c) guesses?归纳总结：Strong belief/true（一定）:Strong belief/ not true（不可能）:Possibility/ true（可能、也许）:Possibility/ not true（可能不）:Discovery 2.Decide what they are talking about.1.I think my French tutor might know them.2. They might be sheltering in a cave.3. They might have fallen behind.a) 过去情况b)现在情况c)正在发生的事情归纳总结：1.表示对现在情况的推测用：2.表示对此时此刻正在发生的事情的推测用：3.表示对过去情况的推测用：找一找：在文章中找出其他含有情态动词的句子，并说出它表示的用法：语法练习：1.there’s no light on—they______be at home.A.can’tB.mustn’tC.needn’tD.shouldn’t2. Hurry up, our teacher _____for us at the school gate．A. must be waitingB. must waitC. might waitingD. can be waiting3．—Someone is knocking at the door. Who it be?—It be Tom. He is still in the school.A. can, can'tB. can, mustn'tC. might, couldD. might, may4. She doesn't answer the doorbell, she _____ be asleep．A. might toB. mightC. must haveD. should5．You have done so much work, you __________ rather tired.A. must be feelingB. could be feltC. may be feelingD. would feel6．.-- Is there a flight to Paris this evening?--There _______be. I’ll phone the airport and find it out.A. mustB. wouldC. mightD. can7. He left yesterday, so he __________ in Beijing.A. may arriveB. may have arrivedC. must arriveD. arrives8.--- When can I come for the photos? I need them tomorrow afternoon.---They __________ be ready by 12：00.A. canB. shouldC. mightD. need9. Mr. Li _____be in Beijing because I saw him in town only a few minutes ago．A. needn'tB. can'tC. shouldn'tD. mustn't10．It _____be Li Ming who took my dictionary away．It be Zhang Hua who did it．A. can't；mustB. mustn't；mustC. needn't；canD. may not；can1-5AAABA6-10CBBBAStep IV 小结与反思。