人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-教案、教学设计-省级优课-(配套课件编号：91cb4).doc

1、1 课课题题 UnitUnit 1010 I Iveve hadhad thisthis bikebike forfor threethree years.years. SectionSection A A ( (GrammarGrammar focusfocus 4c4c) )（第（第 3 3 课时课时 ） 教学批注教学批注 教教学学设设计计 一、教学目标一、教学目标 1.知识与技能： 知识目标 掌握现在完成时的用法 能力目标 正确区分现在完成时与一般过去时 正确运用 for 和 since 2.过程与方法：创设情境，讲练结合，最后落实到写作。 3.情感目标 正确处理并充分利用自己的废旧物品

2、。 二、教学重点、难点二、教学重点、难点 1.现在完成时的用法。2.for 和 since 的用法 三、教学准备三、教学准备 多媒体课件; 达标测试题 四、教学课时四、教学课时 1 1 课时课时 五、教学过程五、教学过程 StepStep 1 1 G Grouproup workwork 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 lon

3、g has his son owned 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。 2 StepStep 2 2 PracticePractice anda

4、nd emphasisemphasis 现在完成时现在完成时 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， 可以和表示可以和表示“从过去某一时刻从过去某一时刻 延续到现在的延续到现在的一段时间状语一段时间状语”连用，如连用，如“forfor + + 时间段时间段”、“sincesince + + 过去时过去时 间点间点”、“sincesince + + 过去时的从句过去时的从句”、“sincesince + + 一段时间一段时间 + + agoago”。且。且 fofor r 与与 sincesince 引导的时间状语可以相互转换。引导的时间状语可以相互转

5、换。 e.g.My uncle has worked at this factory for ten years. = My uncle has worked at this factory since ten year ago. Ivelivedheresince1990 自从 1990 年以来我就住在这里。 Ihaventseenhimforthreeyears. 我三年没有看见他了。 Shesbeenatthisschoolsincefiveyearsago. 自从五年前以来她就在这个学校。 歌诀歌诀：含有：含有 forfor，sincesince 的现在完成时的用法歌诀的现在完成时的用

6、法歌诀: : 过去的动作或状态，一直持续到现在，过去的动作或状态，一直持续到现在，forfor、sincesince 把时间带把时间带 句中动词的特点句中动词的特点 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） 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. 你哥哥参军多长时间了？ How long has your brother joined the army?

7、() 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 keepbuy haveput on wear catch a cold have a coldget to know know get to sleep sleep 2. 转化为“be + 形容词/副词/介词/名词” begin / start be ongo out be outclose be closed open be openget to/arrive/re

8、ach be (in) die be deadleave be awayfinish be over fall sleep be asleepjoin be in/be a member of become bemake friends be friends come/go be + 相应的介词短语 StepStep 3 3 4a4a RewriteRewrite thethe sentencessentences usingusing forfor oror sincesince 1.Jim is in Japan. He arrived there three years ago. Jim

9、 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 教教学学设设计计 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 f

10、or three years/since three years ago. 5.Linda is ill. She became ill on Monday. Linda has been ill since Monday. StepStep 4 4 4b4b FillFill inin thethe blanksblanks withwith correctcorrect formsforms ofof thethe verbsverbs inin bracketsbrackets. . 1. I _ (never be) to the water park before. I want t

11、o _ (go) next month before the weather gets too cold. 2. They _(never own) any pets, but they _ (always want) to have a dog. 3. We _ (have) a piano since last November. We _ (buy) it from the Li family when they moved to the US last year. 4. Cathy and Amy _ (not be) back to their hometown for two ye

12、ars. They _ (miss) their hometown a lot and hope to visit the place next year. 5. This museum _ (be) here for over 20 years. It _ (be) one of the oldest buildings in this small town. StepStep 5 5 GroupGroup workwork 4c Fill in the questions and ask two students. Then complete the chart. 1. Do you ha

13、ve a(n) _? How long have you had it? 2. Do you own a(n)_? How long have you owned it? ThingsHow long Tonyfavoritebook basketball for two years since he was 10years old Student 1 Student 2 StepStep 6 6 WritingWritingWrite a short passage with the form in 4c. StepStep 7 7 ExaminationExamination当堂检测,检查掌握情况。 StepStep 8 8 HomeworkHomework 1.Remember the new words in SectionA. 2.Finish off the exercises.in TB and PT 3. Preview SectionB 1a-1d . 4 教教学学反反思思