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1、Book5 Unit 13 Lesson 3 Modals for Guessing语法导学案Learning Objective：1: To practise using modals when guessing. 2: To distinguish between modals used for decision, advice and guesses. Task 1: Find out the guesses about the two students in the dialogue. About causes for getting lost:_About shelter place
2、:_About food _About their feeling:_About their physical problems:_Task 2: Meaning of the Modals for guessing.According to the sentences you find in task 1, please summarize which modals express the following meaning: .must, may, may not, might, might not, cant, could Strong belief / true“肯定”: _ Stro
3、ng belief / not true“不可能”: _Possibility / true “有可能”: _ Possibility / not true “不太可能: _Task 3: Tenses of the Modals for guessing.Match and decide what they are talking about.1.I think my French tutor might know them. a. something happening now They must be so frightened. 2. They might be sheltering
4、in a cave. b. something happened in the past3. They might have fallen behind. c. present situationTask 4: Form of the Modals for guessing.对现在情况的猜测:对正在进行的动作进行的猜测:对过去情况的推测: 课内探究Task 5: Rewrite the sentences using modal verbs and suitable verb forms. There may be more than one correct answer. 1. Im sur
5、e shes relaxing in her room. She _ in her room.2 Perhaps the postcode was wrong, and thats why the letter never arrived. The postcode _ wrong, and thats why the letter never arrived. 3. I dont believe you failed the exam. You _ the exam.4. Its possible that Sam doesnt like classical music. Sam _ cla
6、ssical music.5. Im sure John is not forty-five yet. John _ forty-five yet.6. Its possible that hes studying astronomy now. He _ astronomy now. 7. Maybe they lied to me about their adventure. They _ to me about their adventure.8. Its quite probable that Bill didnt win the competition. Bill _ the competition. Task 6: Translation1. 他现在一定是在家做作业。 _2. 不要玩小刀，你可能会伤了自己。 _3. 地湿了，昨晚肯定下雨了。 _4. 他也许不认识那位物理学家。 _5. 你刚才不可能看到校长，他去美国了。 _方法指导：找出文章中表示推测的句子，根据表达的意思进行总结归类。 辨析：You mustnt smoke in the public place.翻译：_