人教版八下-Unit 10 I 've had this bike for three years.-Section A Grammar focus 4a—4c-ppt课件-(含教案)-市级优课-(编号：73198).zip

Unit 10 Ive had this bike for three years Grammar Focus 4a-4c Read the Grammar Focus and discuss in groups Present Perfect Tense 1)现在完成时表示过去发生的动作现在完成时表示过去发生的动作,并对现在有影响。并对现在有影响。 2)现在完成时表示从过去一直持续到现在的动作或状态。现在完成时表示从过去一直持续到现在的动作或状态。 How long has she learned English? She has learned English for 7 years. She has learned English since she was 8 . She has learned English since 2010. for+ 时间段 since+时间点 , since +时间段+ago , since+ 句子（一般过去时） = since 7 years ago 用for 或since填空 1. Mr. Brown has had his TV _ 15 years. 2. Ive taken driving lessons _ last month. 3. My sister has had her cell phone _ a month . 4. My friends havent visited me _ my birthday. 5. We havent used our car _ a long time . 6. She hasnt had a good cup of coffee _ years. 7. Tom has worn glasses _ he was 7 years old. for since for since for for since 1. 他的爷爷已经去世2年了。 2. Nick 参军3年了. 3. 他离开深圳好长时间了。 4. 4. 5. His grandpa has died for 2 years. Nick has joined the army for 3 years. He has left Shenzhen for along time. X X X X His grandpa has been dead for 2 years. Nick has been in the army for 3 years. He has been away from Shenzhen for a long time How long has he kept the book? How long has he borrowed the book? 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此种用法中表示持续性的动 作或状态的动词必须是延续作或状态的动词必须是延续 性动词（否定句除外）性动词（否定句除外） 实义动词分为: 1) 瞬间动词 2)延续动词 瞬间动词瞬间动词 join begin/start borrow finish/end arrive/come leave die buy 注意注意: 瞬间动词不能和瞬间动词不能和时间段时间段连用连用. Method : 动作动作状态状态 die be over leave borrow/buy arrive begin end/finish join marry keep/have be away be （in） be on(上演） be married be in/a member of be dead 1.The English professor arrived here about a week ago The English professor _ _ here for about a week . 2.Her husband started to work on the farm three hours ago . Her husband _ _ on the farm for three hours . 3.The French musician came to China last month , and he is still here . The French musician _ _ _ China for a month . 4.He joined the army in 1985 . He _ _ _ the army _ 1985 . 5. The film began ten minutes ago . The film _ _ _ for ten minutes . . 改写句子，使原句的意思不变，每空一词。 has been has worked has been in has been in since has been on 4a.Rewrite the sentences using for or since. 1.Jim is in Japan. He arrived there three days ago. _ 2.They are very hungry.Their last meal was ten hours ago. _ 3.I have a camera. I bought it in 2009. _. 4. I know Anna. I first met her three years ago. _ . 5.Linda is ill. She became ill on Monday. _. They have been hungry for ten hours/since ten hours ago I have known Anna since three years ago./for threeyears. I have had the camera since 2009. Linda has been ill since Monday. Jim has been there for three days. 4b.Fill in the blanks with the correct forms of the verbs in brackets. 1.I _(never be)to the water park before. I want to _(go) next month before the weather gets cold. 2. They _ (never own) any pets,but they _(always want) to have a dog. 3.We _(have)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 years. 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. have never been go have never owned always want have had bought havent been miss has been is 4c.Fill in the question and ask two students. Then complete the chart. 1. Do you have a(n)_? How long have you had it? 2.Do you own a(n) _? How long have you owned it? Thing s How long Tonyfavorit e book for two years basket ball since he was 10 years old Jackcamer a since his fourth birthday Lucypianosince 3 years ago Homework 1.Use “ since” and “for” to make sentences . 2.Do more exercises about Present Perfect Tense after class. 课课 题题:Unit10 Ive had this bike for three years.(Grammar Focus4a 4c) 预计授课日期：预计授课日期：2017.6.19 教材分析：教材分析：本单元的重点语法项目是带有 since 和 for 的现在完成时的句子。 Grammar Focus 表格总结了本单元的典型例句，包括由 how long 引导的现在完 成时的特殊疑问句，分别用 for 和 since 回答的例句，还有现在完成时的一般疑 问句。教材 4a-4c 的活动编排不仅体现了从易到难的层次性，活动的设计也是 从控制性到开放性，从机械的语法练习到实际运用。这一活动有助于学生之间 的信息沟，使他们能在相对真实的交际环境中使用目标语言，也增强了学生之 间的互动和相互了解。 学生分析（学情分析）：学生分析（学情分析）： 从整体来说，学生的学习积极性还是比较强的， 大多数学生学习态度较端正。部分学生学习的兴趣不够浓厚，学习的主动性不 强，两极分化现象比较严重，尖子生不够突出。大部分学生还存在着依赖性， 不愿意自己探究知识，没有好的学习习惯，还要教师在今后的学习中进行渗透。 教学目标教学目标：1知识目标：掌握现在完成时的用法 2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 的用法。 3情感态度价值观：正确处理并充分利用自己的废旧物品。 教学重难点：教学重难点：1.教学重点：会运用现在完成时。 2.教学难点：学习现在完成时表示过去某一段时间已经开始一直 持 续到现在的动作或者状态。 教学方法与手段：教学方法与手段：任务教学法 情景教学法 教学过程教学过程： 教学环节教学环节 教师指导与评价教师指导与评价 学生学习活学生学习活 动动 设计意图设计意图 1. lead in 问题引领 Last class, we have learned something about Present Perfect Tense .How many things do you remember? Now open your book and turn to page 76. Read the Grammar Focus and the sentences on the blackboard and work in groups. (板书) （1） A:How long have you had that toy bear? B:I have had the toy bear for more than six years. Students work in groups and discuss together. (2)A: How long has he worked as a policeman? B:He has worked as a policeman for ten years. (3) A:How long have they worked there? B:They have worked here since June. (4) A:How long has she studied English? B:She has studied English since she was five. Questions: 1:现在完成时的特殊疑 问句的结构是什么？用 什么疑问句来询问拥有 某物品的时间？ 4. for 后面接什么？ 5. Since 后面接什么？ 7.for 与 since 的转换 1:现在完成时的 特殊疑问句的结 构：疑问词 +have/has+主语+ 过去分词+其他 成分。询问拥有 时间的疑问词用 How long. 介词 for 后接一 段时间，指某个 动作或情况到现 在为止已经持续 多久。 Since 有两种用 法，分别是 （1）作为介词， 接一个时间名词。 （2）作为连词， 引导一个时间状 语从句。Since 表示“自以 来”指某个动作 或情况从过去某 一点时间一直持 续到现在。(用 since 和 for 填空) since+时间点 =for+时间段 2.Expression 2. complete 4a Study by Themselves All of you have done a good work. Now look at the following sentences and tell me it is true or false. (1) How long has Mary left? How long has Mary been away? (2) How long has he borrowed the book? How long has he kept the book? (3) Maria has come back since Monday. Maria has been back since Monday. 教师总结 buy have had leavehave been away Borrowhave kept Diehave been dead Begin-have been on Open-have been Open Rewrite the sentences using for or since 1. Jim is in Japan. He ar rived there three year s ago. 2. They are very hungry . Their last meal was ten hours ago. 3. I have a camera. I bo ught it in 2009. 学生讨论完毕之 后，总结延续性 动词和短暂性动 词。 Jim has been in Ja pan for three year s. They have been h ungry for ten hour s/since ten hours ago. 3. complete 4b 4. I know Ann. I first m et her three years ago . 5. Linda is ill. She became ill on Monday. Fill in the blanks with co rrect forms of the verbs i n brackets. 1. I _ (never b e) to the water park befor e. I want to _ (go) n ext month before the wea ther gets too cold. 2. They _ (never own) any pets, bu t they _ (alw ays 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 th eir hometown for two ye ars. They _ (miss) their hometown a lot and hope to visit the p lace next year. 5. This museum _ _ (be) here for over 20 years. It _ (be) on e of the oldest buildings in this small town. Group work: I have had a camera since 200 9. I have known An n for three years/s ince three years a go. Linda has been il l since Monday. plete 4c 6.Exercise Fill in the blank and make your own conversation. Thin g How long Ton y S1 S2 1、 Do you miss your parents far away? Yes, very much. They _ _ the hometown si nce two years ago. A. left B.have left C. were away from D.have been away from 2、Hurry up! The film _ for fifteen minut es. A. begin B.has begun C. is beginning D. has been on 3、She _th is book since she bought it from the bookstore. . A. has borrowed B.has l ent C.has bought D. h as kept 4、Mr Fan _t his watch in 2005. He _ _ it for 8 years. . A. bought;has had B. bought; has C. has bought ;has had D. has bought; had 5、Some students in A:Do you own a basketball? B;No,but I own a basketball. A:Hwo long have you owned it? B:I have owned it for almost two years. Shanghai _ e- bags for several months. A. have B.have had C.had D.will have 板书设计 Unit 10 Ive had this bike for three years.(Grammar Focus 4a-4c) (1) A:How long have you had that toy bear? B:I have had the toy bear for more than six years. (2) A: How long has he worked as a policeman? B:He has worked as a policeman for ten years. (3) A:How long have they worked there? B:They have worked here since June. (4) A:How long has she studied English? B:She has studied English since she was five. buy have had leave-have been away borrowhave kept diehave been dead begin-have been on open-have been open