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Unit 8 It must belong to Carla类别课时要点重点短语1. run after 追赶 2. something strange 一些奇怪的事 3. run for exercise 跑步锻炼 4. wear a suit 穿西服 5. catch a bus to work 赶公汽上班 6. in the sky 在天空中 7. a woman with a camera 一位拿相机的妇女 重点句式1. -Why do you think the man is running? -He could be running for exercise. -No, he is wearing a suit. He might be running to catch a bus to work. -那个人为什么在跑？ -他可以正在跑步锻炼。 -不，他穿着西服，他可能正跑着赶公汽上班。 2. It cant be a helicopter. Its too big. It must be a UFO. 它不可能是直升机，它太大了，它一定是一个UFO。3. They must be making a movie.他们一定是在拍电影。第4课时 Section B（1a 1d）I. 知识目标II. 课堂环节自主学习方案【新词自查】根据汉语或首字母提示完成单词。1. You should wear a suit（西服）when you attend a concert.2. My father bought me a camera (照相机)as a birthday gift last year.3. We can see lots of stars in the sky at night.4. The plane finally landed on the airport safely after ten minutes.5. He got up so early that he caught the early bus this morning.课堂导学方案Step 1情景导入上课前，教师可以要求学生准备一些他们亲戚或者同班学生的一些照片，然后上课时，要求学生去猜他们都是谁。教师可以邀请2名学生在讲台上利用下面的对话进行猜测。A: Who is he/ she?B: He/ She cant be _, because _. / He/ she could/ might be _, because _. / He/ She must be _, because _.环节说明：这一环节的设置主要是继续巩固前面所学的情态动词表推测的用法，同时为下面继续学习这一用法奠定基础。Step 2完成教材1a-1d的任务1.要求学生翻开课本P61，迅速浏览1a中的图片。并按要求完成课本上相应的任务。然后要求5-8名同学给出自己的答案，教师可把这些问题在黑板上列举出来，看哪个同学对图片把握的更好。（3分钟）参考案例The UFO is landing2The alien is chasing the man1The man is running22.听第一遍录音，完成课本上1b部分的任务。(2分钟)3.听第二遍录音，完成课本上1c部分的任务。(2分钟)4. 听力内容巩固训练。要求学生根据所听到的内容完成下列对话。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（3分钟） Hes wearing a suit. He might be late for work. Theres something in the sky.It could be a helicopter.Whats that? Its woman with a camera.She could be form the TV news.Look at all those other people. Theyre actors.They must be making a movie.5. 听第三遍录音，并打开听力材料，全班逐句进行跟读。（2分钟）6. 放下听力材料，要求学生模仿听力内容，利用1b，1c的信息分角色练习对话练习。然后邀请2-3对同学当堂演示。看哪一对的表现最佳。（5分钟）7.完成任务1d。这一部分主要是分角色练习对话，借助1b 1c的信息，运用must be, could be, might be。掌握do you think作插入语用陈述语序，并掌握对正在发生事情的推测。环节说明：将听、说、读、写的任务结合起来不仅锻炼了学生的语言综合运用能力，还巩固了学生对目标语言的学习、识记和运用。当堂评价方案（详见当堂训练部分）备课资料包1.catch (v.)捕获；赶上（车船等）(1)作动词，意为“捕捉；捉住；接住”。【备课例句】The cat catches mice.猫捉老鼠。The police caught the prisoner. 警察抓住了那个囚犯。She threw the ball and I caught it. 她扔出了球，我接住了它。(2)作动词，意为“及时赶上（车船等）”。【备课例句】The police had to drive very quickly in order to catch the train.警察只好把车开得很快，以便赶上那趟火车。(3)作动词，意为“受感染；染患”。【备课例句】Youll catch (a) cold if you dont put a sweater on.你不穿上运动衫会感冒的。【课堂变式】Why do you get up so early every day?To _ the school bus, or Ill be late for school. A. catch B. drive C. race D. chase 【解析】由or Ill be late for school可知要赶校车，正确答案是A。b. 句式包：1. They see a man running. 他们看见一个男人在跑。hear/see sb doing sth.意为“听见/看见某人正在做某事”，doing表示动作正在进行。【备课例句】I heard the girl playing the piano at this time yesterday. 我昨天这个时候听见这个女孩正在弹钢琴。I saw her passing across the road . 我看见她正在穿过马路。【横向辐射】hear/see sb do sth.hear/see sb do sth.意为“听见/看见某人做了某事”，do 表示动作已经完成，即动作全过程结束了。【例句】I often hear the girl play piano in the next room. 我常常听见这个女孩在隔壁弹钢琴。I saw her pass across the road . 我看见她穿过了马路。【课堂变式】Do you often hear John _ in his room? Listen! Now we can hear him _ in his room. A. sing; to sing B. singing; singing C. sing; singing D. to sing; singing 【解析】前一空由often表示sing这个动作已完成，所此填动词原形。后一空由now确定sing这个动作正在进行，正确答案是C。2. He could be running for exercise. 他可能在跑步锻炼。could be running 意为“可能在跑”，是情态动词和现在进行时连用，表示猜测正在进行或发生的动作，其结构形式为“情态动词+be+动词-ing”。【备课例句】Where is Mr Wang, do you know?你知道王先生在哪里吗？He could be reading in the office. 他可能在办公室看书。【课堂变式】Where is Jim? I think he may be watching TV at home. Jim has lots of homework to do today, so _(他不可能正在看电视)now. 【解析】he cant be watching TV
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