2019学年八年级英语下册 Unit 10 I’ve had this bike for three years（第4课时） A教案.doc

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1、1UnitUnit 1010课题Unit 10 Section A (Grammar focus -4c)授课类型语法课课标依据理解附录“语法项目表”中所列语法项目并能在特定语境合作使用; 了解常用语言形式的基本结构和常用表意功能;在实际运用中体会和领悟 语言形式的表意功能。知识与 技能1.总结本单元语法现象，然后一起学习语法部分2.掌握现在完成时的用法过程与 方法正确区分现在完成时与一般过去时正确运用 for 和 since 的用法教学 目标情感态 度与价 值观正确处理并充分利用自己的废旧物品。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) 熟练掌

2、握和运用询问困难和提建议的表达方式。教学 重点 难点教学 难点1) 总结询问问题和提出建议的句型，掌握规则。2) 练习运用所学的句型。教学媒体选择分析表知识点学习目标媒体 类型教学 作 用使用 方式所得结论占用 时 间媒体来源介绍知识目标图片AG拓展知识2 分钟自制讲解过程与方 法图片AE熟练运用句型5 分钟自制媒体在教学中的作用分为：A.提供事实，建立经验；B.创设情境，引发动机；C.举例验证， 建立概念；D.提供示范，正确操作；E.呈现过程，形成表象；F.演绎原理，启发思维；G.设 难置疑，引起思辨；H.展示事例，开阔视野；I.欣赏审美，陶冶情操；J.归纳总结，复习巩 固；K.其它。 媒体

3、的使用方式包括：A.设疑播放讲解；B.设疑播放讨论；C.讲解播放概括； D.讲解播放举例；E.播放提问讲解；F.播放讨论总结；G.边播放、边讲解；H. 设疑_播放_概括.I 讨论_交流_总结 J.其他教学过程 设计师生活动设计意图2Step 1 Group work 出示下面的典型例句，让学生们先自己观察句子结构，对比现在完成时和一般过去时的不同。1. How long have you had that bike over there? 那边的那辆自行车你买了多长时间了？ Ive had it for three years. 我买了三年了。2. How long has his son o

4、wned the train and railway set? 他的儿子拥有这套轨道火车多长时间了？Hes owned it since his fourth birthday. 自他四岁生日起，他就拥有了它。3. Have you ever played football? 你曾经踢过足球吗？Yes, I did when I was little, but I havent played for a while now.是的，当我很小时就踢过，但是现在我有好长一段时间没有踢了。Step 2 精讲点拨现在完成时表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一

5、段时间状语”连用，如“for + 时间段”、“since + 过去时间点”、“since + 过去时的从句”、“since + 一段时间 + ago”。且 for 与 since 引导的时间状语可以相互转换。e.g. My uncle has worked at this factory for ten years.= My uncle has worked at this factory since ten year ago. Ive lived here since 1990自从 1990 年以来我就住在这里。 I havent seen him for three years.我三年没有

6、看见他了。 Shes been at this school since five years ago. 通过复习句型 熟悉本单元句 型让学生小组 讨论总结语法 规律和现象。3自从五年前以来她就在这个学校。歌诀：含有 for，since 的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在，for、since 把时间带句中动词的特点此种用法中表示持续性的动作或状态的动词必须是延续性动词（否定句除外）1.这本书我买了 5 年了。I have bought the book for five years. ( )Ive had the book for five years. ( )2. 你

7、哥哥参军多长时间了？How long has your brother joined the army? ( )How long has your brother been in the army/been a soldier? ( )非延续性动词和延续性动词之间的转换1. 转换为相应的延续性动词，用于现在完成时。borrow keep buy have put on wearcatch a cold have a cold get to know knowget to sleep sleep2. 转化为“be + 形容词/副词/介词/名词”begin / start be on go out

8、 be out close be closed open be open get to/arrive/reach be (in)die be dead leave be away finish be overfall sleep be asleep join be in/be a 4member of become be make friends be friendscome/go be + 相应的介词短语Step 3 4a Rewrite the sentences using for or since1. Jim is in Japan. He arrived there three ye

9、ars ago.Jim has been in Japan for three years.2. They are very hungry. Their last meal was ten hours ago.They have been hungry for ten hours/since ten hours ago.3. I have a camera. I bought it in 2009.I have had a camera since 2009.4. I know Ann. I first met her three years ago.I have known Ann for three years/since three years ago.5. Linda is ill. She became ill on Monday.Linda has been ill since Monday.Step 4 4b Fill in the blanks with correct forms of the verbs in brackets.Step 5 Group work4a 是为了帮 助学生分辨和 正确使用语法 中的结构。4b 通过完成 表格然后做对 话继续熟悉提 建议的句子