Unit6When-was-it-invented-SectionA(Grammar-Focus-4c)教案.doc

Unit6 SectionA（Grammar Focus-4c）名师教案 【教材版本与册数】新目标人教版九年级上册 【单元名称】Unit 6 When was it invented?【课时】Section A Grammar Focus-4c （第3课时）【课型】Grammar（语法课） 教材分析【本单元话题】讲述各种发明的历史。【本单元重点掌握目标】一般过去时的被动语态。【教材内容拆分分析】Grammar Focus主要是对本单元的句型，语法的总结4a通过把下列句子变成被动语态，训练单元语法知识。4b 通过词形的正确形式填空，对单元重点词汇及动点语法巩固。4c用所给词的正确形式填空，通过文章了解电话的发明史。 【通过本单元的学习学生需掌握哪些综合技能】 通过本单元的学习使学生学会谈论各种发明的历史，熟练使用被动语态。教学目标语言知识目标：1.熟练使用以下词汇、短语和句型： 单词:fridge, low, somebody, translate, lock, earthquake, sudden, bell, biscuit, cookie, musical,instrument短语： at a low price all of a sudden work on less than advise sb. (not) to do sth. around the world句型： When was the zipper invented? It was invented in1893. Who was it invented by? It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries. What is the hot ice-cream scoop used for? Its used for serving really cold ice-cream. Alexander Graham Bell invented the telephone in 1876. The telephone was invented (by Alexander Graham Bell) in 1876. 2一般过去时的被动语态的构成及被动语态需要注意的地方。 3.学会合作探究学习，学习解决难题 情感态度价值观目标： 通过教师的引导，学生在学习中的讨论、总结，了解英语学习的方法。 教学重难点教学重点：1.掌握所有重点单词，短语和句型。2.掌握一般过去时的被动语态。教学难点：一般过去时的被动语态的运用建议教法1. 小组协作式任务教学法2. 感知语法3. 语篇教学法4. 归纳和演绎教学法5. 操练教学流程（详见相应教学活动设计） 教学评价1.本课时的目标设计清晰可操作，活动的设计紧扣目标要求并与目标达成一致。 2语法操练的活动设计遵循语言规律，由易到难逐层递进，充分体现语言输入到语言输出的完整过程。 3语法操练活动设计体现对文本内容的深度挖掘和文本再构，体现了对学生思维品格的训练与培养。步骤过程措施（教师活动与学生活动） 目的 持续性评价DELC41预备与激活先期知识Step 1Lead in ( 5mins )1.T：When was the telephone invented?S1：It was invented in 1876.Now please practice conversations with your partners like this according to the information that the teacher gives.2.Retell the history of tea 1.通过生生互动，复习了学过的内容被动语态，同时还锻炼了学生的口语表达能力。2通过复述文章，对前期知识的巩固，训练学生的归纳总结及语言精练能力。学生能否用先前所学的知识进行加工处理再现知识。DELC52获取新知识Step2-Presentation15mins1:Let the Ss read Grammar Focus then fill in the blanks 拉链是什么时候被发明的？ _ _ the zipper _? 它于1893年被发明。 It _ _ in 1893. 它是由谁发明的？ _ _ it invented _? 它是由惠特科姆贾得森发明的。 It _ _ _ Whitcomb Judson. 茶叶什么时候被带到朝鲜去的？ _ _tea _ to Korea? 茶叶在六到七世纪之间被带到朝鲜。 It _ _ to Korea _the 6th and 7th centuries. 热冰淇淋勺用来做什么？ What _ the hot ice-cream _ _? 它用于挖很冷的冰淇淋。 Its _ _ _ really cold ice-cream. 电话机在1876年被贝尔所发明。 The telephone _ _ _ Alexander Graham Bell in 1876. 贝尔于1876年发明了电话机。 Alexander Graham Bell _ the telephone in 1876. 学生关着书做，然后翻书检查2.学生背诵Grammar Focus3.一般过去时的被动语态的构成 一般过去时被动语态的结构为“主语+ was /were +及物动词的过去分词 (+by+动作的执行者).”。如： Trees were planted last year.去年种了树。1）. 肯定句： 主语 + was/were +及物动词的过去分词 + 其他. The building was built in 1987.这个建筑物是在1987年修建的。2）. 否定句： 主语 + was/were not +及物动词的过去分词 + 其他. The machine wasnt repaired yesterday. 这台机器昨天没有修理。 3）. 一般疑问句： Was/Were +主语 +及物动词的过去分词 + 其他? Was the book written in 1977?这本书是在1977年写的吗？4、被动语态的用法：1）. 不知道谁是动作的执行者，或没有必要指出谁是动作的执行者。e.g. English is spoken all over the world. 全世界都在说英语。2）. 需要突出或强调动作的承受者。 e.g. This dictionary is used by most students. 这本字典是大多数学生在用的。 1:通过对语法聚焦的练习，背诵能够对本单元重点句型再强化记忆2.通过对一般过去时的被动语态的讲解，能够更好的理解，运用这个语法点。 学生是否能熟练掌握一般过去时的被动语态。学生是否能通过泛读，精读文章获取文章信息。 DELC63深度加工知识Step 3 Practice (15 mins)14a Tell Ss to read the sentences in 4a and rewrite the sentences using the passive voice.Answers:1).The fridge was sold at a low price. 2).My camera was stolen from my hotel room. 3).Where were these photos taken? 4).We were advised not to go out alone. 5).The book was translated into different languages by different writers. 2. 4b: Complete the sentences with correct forms of the verbs in the box.Answers: 1). were invited2). were brought3). was locked rang4). were told broke5). were eaten liked3.4c: Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. 学生做题时，老师讲解做题技巧，要点，然后订正答案。Answers:was invented, was born, worked, learned, was invented, was said, is used通过三个不同类型的题对语法知识训练。强化知识，培养学生合作探究，解决难题的能力。学生能否在题中对语法知识很好的运用。DELC74评价学生学习Step 4Summary5minsWork in groups and talk about :Q1:What have you learnt in this period? Q2: What do you still have problem with?Q3: How will you work ou