人教版九年级Unit 8 It must belong to Carla.-Section A Grammar focus 4a—4c-ppt课件-(含教案)-市级公开课-(编号：303b9).zip

Unit 8 It must belong to Carla. Section A Grammar Focus-4c 学习目标 1.学习掌握下列词汇：laboratory, coat, sleepy, pocket。 2. 掌握情态动词的用法和物体所属的句型 : Whoseis this? must be It might be cant be laboratory outdoors coat sleepy n. 实验室实验室 adv. 在户外；在野外在户外；在野外 n. 外套；上衣外套；上衣 adj. 困倦的；瞌睡的困倦的；瞌睡的 Words Review It could be _. It also might be _. Can you guess what it is? three birds a beautiful face Can you guess what it is? It could be _. It also might be _. a white vase two faces It could be _. It also might be _. Can you guess what it is? a dog two girls Could A be bigger than B? In fact, A and B must be _. Which one is bigger, A or B? A B the same size No. Whose volleyball is this? It must be Carlas. She loves volleyball. Whose hair band is this? It could be Meis hair band. Or it might belong to Linda. They both have long hair. What did you see that night? Im not sure, but it cant be a dog. It was bigger. I think it might be a bear or a wolf. Grammar Focus Grammar: 表示推测的情态动词有表示推测的情态动词有must, may, could, might, can。 1. 这是谁的排球? _ volleyball is this? 这一定是卡拉的。她热爱排球运动。 It _ _Carlas. She loves volleyball. Whose must be Fill in the blanks. 合作探究 2. 这是谁的发带？ Whose_ _ is this? 它可能是梅的发带。或者可能属于琳达 。她们两人都是长头发。 It _ be Meis hair band. Or it might _ _ Linda. They both have long hair. could hair band belong to 3. 那晚你看见了什么？ _ _ you see that night? 我不确定，但肯定不可能是狗。它更 大。我想也许是一头熊或一匹狼。 Im not sure, but it _ _ a dog. It was bigger. I think it _ _ a bear or a wolf. What did cant be might be 可能性可能性: must can/could may/ might can not ( cant) could not (couldnt) may not / might not 否定否定否定否定 精讲点拔Grammar: 情态动词表推测情态动词表推测 must表示可能性最大的_推测，意思是 _。只能用于肯定句。如果要表示“一定不”，应 该用cant。如果询问可能性时，应该用can。 e.g. He _ _ the answers. 他肯定知道答案。 mustnt 在英语中不能用于表示推测，但是可以表示在英语中不能用于表示推测，但是可以表示“ 禁止，不允许禁止，不允许”之意。之意。 must 肯定 一定 must know e.g. Dont eat it. It _ go bad. 不要吃它，可能坏了。 The plane _ _ put off by the storm. 这趟飞机可能会因为暴风雨而推迟。 He _ _ the answers. 他肯定不知道答案。 can/could can /could用于表示某事有可能发生或可能是事实,意思 是“会，可能”。can表示推测“可能性”时，一般用于否定 句或疑问句。cant表示_ 推测，意思是_。 could可用于表示客气、礼貌、委婉的请求语气。 否定一定不 could could be cant know may/might表示推测“可能性”时，意思是_ 。might不表示过去时态，语气更委婉，可能性 更小。might表推测时，可用于否定句，但不用 于疑问句。 e.g. He _ _ _ at home, but Im not sure. may/might 可能 might/could not be 1. must/could/might/cant do sth. 推测现在发生的动作。 e.g.他一定有一辆小汽车。 He _ _a car now. 2. must/could/might/cant be doing sth. 推测正在发生的 动作。 e.g. 他们一定不在图书馆读书。 They_ _ reading in the library. 他一定在家做作业。 He _ _ _ his homework at home. 推测时态 must have cant be must be doing 3. must/could/might/cant have done sth. 推测已经发 生的动作。 e.g.他可能已完成了工作。 He _ _ _ the work. 4. must/could/might/cant be done sth. 表示被动语态 的推测。 e.g.我的书包不可能被偷。 My schoolbag _ _ _. could/might have finished cant be stolen 4a 1. A: Wheres Jean? B: Im not sure. She _ (is/ might be/ must be) in the laboratory. might be n. 实验室 Choose the best way to complete each sentence using the words in brackets. 2. A: Everyone is going to the pool after school. B: Really? It _ (must be / cant be /could be ) hot outdoors. must be 表示“位移”的动词用现在进行时态表将来，例 如：go去，come来，leave离开，arrive到达， return 回来，fly 飞。 e.g. I am coming.=I will come. He is leaving for Paris.=He will leave for Paris. adv. 在户外，在野外 3. A: Thats the phone. B: Hmm. I wonder who it _ (must be / could be / should be). could be 4. A: I wonder if there are Jims glasses. B: They _ (cant be / might be / could be) his. He doesnt wear glasses. cant be wonder v. “想知道” (want to know) no wonder+句子，“难怪.” e.g. No wonder you are angry. 难怪你觉得生气。 5. A: I hear water running in the bathroom. B: It _ (could be / must be / cant be) Carla. She was thinking of taking a shower. could be/ must be think of 想要；打算 e.g. I thought of playing basketball. 我想打篮球。 1. A: Many people are wearing coats. B: The weather must be _ _. 2. A: Sally has been coughing a lot. B: She might be _. getting colder/ cold outside having a sore throat 4b n. 外套 Complete the responses(答复）. 3. A: This restaurant is always very crowded. B: The food _. 4. A: Whenever I try to read this book, I feel sleepy. B: It cant _. must be delicious be boring adj. 困的 Look at this picture of a room. How much can you tell about the person who lives here? Is it a boy or a girl? What are his/her hobbies? Discuss your ideas with a partner. 4c A: It could be a girls room because its very tidy. B: I guess so. But it might be a boys room because the clothes look like a boys clothes. 1. Excuse me. Is this the right way to the Tian anmen Square? Sorry, I am not sure. It _ be. A. might B. will C. must D. can 一、单选选择 。 2. Isnt that Bettys husband over there? No, it _ be him. Im sure he doesnt wear glasses. A. cant B. must not C. wont D. may not 3. You _ be tired .Youve only been working for two hours. A. must not B. wont C. cant D. may not 4. Is Frank coming by bus? He should, but he _ not. He likes driving his car. A. must B. can C. need D. may 1. He must be an actor.(改为否定句) He _ be an actor. 2. Peter has a black T-shirt.(同义句） (1)The black T-shirt _ _Peter . (2) The black T-shirt _ _. (3) _ _ _ the black T-shirt is Peter. 3.I didnt go out because of the heavy rain.（同义句） I didnt go out _ it rained _. 二、句型转换。 neednt belongs to is Peters The owner of because heavily 【浙江湖州浙江湖州】 Whos singing in the next room? It _ be her. She has gone to New York. A. cant B. must C. shouldnt D. can 【解析解析】考查情态动词表推测。表示否定推考查情态动词表推测。表示否定推 测时，用测时，用cant，意为，意为“一定不一定不”。must表表 示推测时，意为示推测时，意为“一定一定”，用于肯定句；，用于肯定句； 根据答语根据答语“她已经去了纽约她已经去了纽约”可知是否定推测可知是否定推测 ，故选，故选A。 【湖北黄冈湖北黄冈】41. Whose T-shirt is this? It _ be John s. Its _ small for him. A. cant; much too B. cant; too much C. mustnt; much too D. mustnt; too much 【解析解析】情态动词的用法。根据句意情态动词的用法。根据句意“它不它不 可能是约翰的，对他来说太小了。可能是约翰的，对他来说太小了。”故排除故排除C 、D，too much为为“太多太多”的意思，的意思，much too 为为“太太”。故选。故选A。 【天津天津】 Where are you going this month? We_ go to Xiamen, but were not sure. A. neednt B. must C. might D. mustnt 【解析解析】 neednt (不必不必)表建议；表建议； must (一一 定定)表猜测的可能性很大；表猜测的可能性很大； might (可能，也可能，也 许许)表不是很肯定的猜测。表不是很肯定的猜测。 mustnt(不允许不允许) 表命令。句意：表命令。句意：-这个月你们将去哪？这个月你们将去哪？-我我 们或许去厦门，但还不确定。们或许去厦门，但还不确定。 C 【福建泉州福建泉州】- Have you decided where to go for your summer vacation? - Not yet. We _ go to Qingdao. Its a good place for vacation. A. may B. need C. must 【解析解析】句意：句意：- 你已经决定到哪里过暑假你已经决定到哪里过暑假 了吗？了吗？- 还没有呢，我们也许去青岛，那是还没有呢，我们也许去青岛，那是 个度假的好地方。情态动词表示推测时，个度假的好地方。情态动词表示推测时， may表表“可能可能”，must表表“一定一定”，cant表表“不可不可 能能”。 A 【 【铜仁铜仁】 】 Must I water the flowers now, mum? No, you _. You _ do it later. A. mustnt; must B. mustnt; may C. neednt; may D. neednt; must 【 【2014连云港连云港】 】 _ I know by what time you want the project to be done? By the day after tomorrow. _ you finish it on time? A. May; Can B. Must; Need C. Could; Must D. Need; Would C A 【 【长沙长沙】 】Whos singing in the garden? It _ be Mr. Brown. He always practices singing at this time. A. must B. cant C. need 【 【2014河北河北】 】I _ follow you. Would you please repeat it? A. cant B. mustnt C. neednt D. shouldnt A A 1.Recite the sentences in Grammar Focus and remember the Grammar. 2. Finish the exercise in 4c. Homework 1 / 4 Unit8 SectionA（Grammar Focus-4c）教案）教案 一、教学目标：教学目标： 1. 语言知识目标：语言知识目标： 1) 学习掌握下列词汇：laboratory, coat, sleepy, pocket 2）进行一步复习巩固学习 Section A 部分所学的生词和词组。 3）掌握情态动词的用法和物体所属的句型。 2.2. 情感态度价值观目标：情感态度价值观目标： 面对身边暂时不可解释的现象，根据已有证据进行合理推测。不信谣，不传谣。 二、教学重难点教学重难点 1. 教学重点： 1) 复习巩固 Section A 部分所学的生词和词组，达到熟练运用的目标。 2) 总结情态动词的用法。 2. 教学难点： 1) 学习运用情态动词的用法。 2) 掌握物体所属的句型。 三、教学过程三、教学过程 . New word laboratory, coat, sleepy, pocket. .play guessing games .gramma focus 1,Fill in the blanks. 1. 这是谁的排球? _ _ is this? 这一定是卡拉的。她热爱排球运动。 It _ be _. She loves volleyball. 2. 这是谁的发带？ _ _ is this? 2 / 4 它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。 It _ be Meis hair band. Or it _ belong to Linda. They_ have long hair. 3. 那晚你看见了什么？ _ did you see that night? 我不确定，但肯定不可能是狗。它更大。我想也许是一头熊或一匹狼。 Im _ _, but it _ _a dog. It was bigger. I think it _ _ a bear or a wolf. 2,2,Try to Find 情态动词表推测，可能性：must can/could may/might 一、must 表示可能性最大的肯定推测，意思是“一定、准是” 。只能用于肯定句。如果要 表示“一定不” ，应该用 cant。如果询问可能性时，应该用 can。 e.g. He must know the answers. 他肯定知道答案。 二、can/could can 表示推测“可能性”时，一般用于否定句或疑问句。can 在疑问句中意思是 “会，可能” 。 e.g. He cant pick her schoolbag up. 他不可能拿了她的书包。 3、may/might may, might 表示推测“可能性”时，意思是“可能” ， “也许” 。might 不表示过 去时态，语气更委婉，可能性更小。may, might 表推测时，可用于否定句，但 不用于疑问句。 e.g. He may/ might not be at home, but Im not sure. 他可能不在家，不过我也不确 定。 四、推测时态 1. must: 推测现在/ 正在/ 过去发生的动作。 e.g. He must have a car now. 2. can can/ cant 后可接进行时/完成时，表示对现在发生的动作或过去发生的动作进 行推测。 3 / 4 e.g. They cant be reading in the library. 他们一定不在图书馆读书。 他不可能去了上海，我刚看见他了。 3. may/ might may，might 可以推测现在正在发生的动作或过去发生的动作，还可以推测将来 的情况。 e.g. He may/might be sleeping now. (现在) 他可能正在睡觉。 . Exercises 一、do 4a 二、finsish 4b 三、Choose the correct answer. . Practice （中考链接）（中考链接） . Group Work Look at this picture of a room. How much can you tell about the person who lives here? Is it a boy or a girl? What are his/ her hobbies? Discuss your ideas with a partner. A：It could be a girls room because its very tidy. B：I guess so. But it might be a boys room because the clothes look like boys clothes. A：It could/ might/ cant be. because. B：I guess so/ I dont think so. But it might/ could/ must be . because . . Homework 1.Recite the sentences in Grammar Focus and remember the Grammar. 2. Finish the exercise in 4c Blackboard design： Unit 4 I used to be afraid of the dark. 1.laboratory, coat, sleepy, pocket. 4 / 4 2. Useful phrases