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：704cf).zip

Period3GrammarFocus 王荣沫河口中学 1. How long have you had that bike over there? Ive had it for three years. 2. How long has his son owned the train and railway set? Hes owned it since his fourth birthday. 3. Have you ever played football? Yes, I did when I was little, but I havent played for a while now. how long, how soon, how often, how far How long 多久, 多长(时间)。对时间段提 问, 如: for+时间段；since+过去的时间点/时间 段+ago/一般过去时的句子。 e.g. -How long have you worked in Beijing? -For five years. - How long have you had that bike over there? - I have had it for three years. How soon多久以后。对“in+时间段提问, 常 用于一般将来时”, 其答语常用“in+时间段”。 e.g. -How soon will Mr. Li be back? -In a week. How often 多久一次, 对频率提问, 其答语 为: once (twice/)+时间段, always, usually 等。 e.g. -How often do you exercise? -Once a day. How far 多远，对距离提问，其答语是 表距离的内容。 e.g. -How far is it from here to your school? -Three kilometers. 现在完成时二: 用法2: 现在完成时表示从过去一直持续到现在的动作或状 态，并可能还将持续下去。简称“延续用法”. 1）常与for, since引导的时间状语连用. since,for的用法: 2）动词使用延续性动词。 此用法需注意两点： 因为瞬间动词在肯定句、 since:(自以来) 1)since+时间点 Hehasstayedheresince5oclock. 2)since+时间段+ago Hehasstayedheresince5hoursago. 疑问句中不能和时间段连用. since一段时间agofor时间段; sincetwoweeksago=fortwoweeks; Ihavekeptthelibrarybookforaweek. =Ihavekeptthelibrarybooksinceaweek ago. 在现在完成时态中，for与since引导的时间 状语可以相互转换。 3)since+从句(句子要用一般过去时态） ShehastaughtEnglishsincehecamehere. for:(长达）for+时间段 Hehaskeptthebookfor2weeks. 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。 用for和since填空。 _three hours _three oclock _two days _yesterday afternoon _I came here _last Sunday _a week _a long time _1997 _two weeks _three years ago _ last month for since for since since since for for since for since since 在现在完成时中短暂性动词在肯定句、疑问句中不 能与时间段连用。为了表述这种意思，我们常 将短暂性动词转变成相应的延续性动词来代替非 延续性动词，或变成： It is + 时间段 +since +一般过去时的句子. 常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变 v第一类：短暂动词be+adj. vdiefinish vopen/close vfallill/asleep vmarrysb/getmarriedto v第二类：短暂动词be+介词. vstart/begin vleave vjoin bedead beawayfrom bein/beamemberof beopen/closed beon beover beill/asleep bemarriedto v第三类：短暂动词另一个动词 vbuy vborrow vbecome vputon keep have be wear 巧记瞬间性动词的转换 “开始离去借来还， 出生入死买到家， 穿衣入睡要感冒， 开开关关变结束。” 1 beginbe on6 returnbe back 2 leavebe away from7 joinbe in 3 gobe off8 diebe dead 4 borrowkeep9 buyhave 5 comebe here10 arrivebe here 10 reachbe here11put onwear 12fall asleepbe asleep13catch a coldhave a cold 14openbe open15closebe closed 16becomebe17end/finishbe over A: How long have you studied in this school? B: I _ _(study)in this school for 2 years. havestudied =I _ _(study)in this school _2 years_. havestudied sinceago It is two years _ I studied English. since 4a Rewritethesentencesusing fororsince. 1. Jim is in Japan. He arrived there three days ago. 2. They are very hungry. Their last meal was ten hours ago. They havent eaten for ten hours/since ten hours ago. Jim has been in Japan for three years. 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. I have had a camera since 2009. I have known Ann for three years/ since three years ago. Linda has been ill since Monday. 4b Fillintheblankswiththecorrect formsoftheverbsinbrackets. 1. I _ (never be) to the water park before. I want to _ (go) next month before the weather gets too cold. 2. They _ (never own) any pets, but they _ (always want) to have a dog. have never been go have never owned have always wanted 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 years. They _ (miss) their hometown a lot and hope to visit the place next year. have had bought havent been miss very much 5. This museum _ (be) here for over 20 years. It _ (be) one of the oldest buildings in this small town. has been is 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. 这本书我已借了4个月了. 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. I have kept the book for 4 months. Exercise1 Exercise 2: It is + 时间段 +since +一般过去时的句子 . 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. 这本书我已借了4个月了. It is 2 years since his grandpa died. It is 3 years since Nick joined the army. It is a long time since he left Shenzhen. It is 4 months since I borrowed the book . 他参军五年了。 HejoinedtheArmyfiveyearsago. HehasbeenintheArmyforfiveyears. HehasbeenintheArmymember forfiveyears. itisfiveyearssincehejoinedtheArmy 电影开始五分钟了。 Thefilmbeganfiveminutesago. Thefilmhasbeenonforfiveminutes. Thefilmhasbeenonsincefiveminutes ago. Itisfiveminutessincethefilmbegan. =Ive had this bike since three years ago. =Its three years since I bought this bike. =I bought this bike three years ago. Summary Homework v(1)Learnthepresentperfecttenseby heart. v(2)RecitethesentencesinGrammar Focus. v(3)PreviewthenewwordsandSection B(1a-2d)onPage77-79. 1 Unit 10 Ive had this bike for three years. Period 3 Section A (Grammar Focus-4c) Teaching Goals Language goals 1. Key words: hometown 2. Key sentences : The sentences in Grammar Focus. 3. Ss will learn new grammar structure: The present perfect tense ( have/has+ P.P) Ive had this magazine for a couple of months. Ive had them since I was a child. Ability goals 1. Consolidate the target language in Grammar Focus. 2. The students can use the present perfect tense ( have/has+ P.P) 3. Ss can use the new structures to talk about their possessions and things around them; 4. Ss can improve their speaking ability. Emotion and Attitude goals Practice makes perfect. Teaching Points and Difficulties Teaching Points 1. Master the new words, phrases and key sentences in Grammar Focus. 2. Review the tense and structures learned before. 3. Develop students integrated skills. Teaching Difficulties Review the tense and structures in Grammar Focus. Teaching Methods 1. Consolidate the target language and grammar through some practice. 2. Autonomous and cooperative approach. Preparation before the period Teachers preparations: A projector. Students preparations: Students preview Grammar Focus-4c in Section A. Teaching Procedures Step 1 Lead in Greet the students as usual. Step 2 Presentation and Practice Explain the present perfect tense. Work on Grammar focus. Tell students to read the sentences in Grammar Focus together and try to translate them into Chinese. Also, pay attention to the differences between the present perfect tense and simple past tense. Then explain the differences about “how long, how soon, how often and how far” 现在完成时: 现在完成时表示从过去一直持续到现在的动作或状态，并可能还将持续下 去。简称“延续用法”. 此用法需注意两点： 1）常与 for, since 引导的时间状语连用. 2）动词使用延续性动词。因为瞬间动词在肯定句、疑问句中不能和时间段连用. since , for 的用法: since: (自自以来以来) 1)since+时间点时间点 He has stayed here since 5 oclock. 2)since+ 时间段时间段+ ago He has stayed here since 5 hours ago 3)since+ 从句从句(句子要用一般过去时态）句子要用一般过去时态） She has taught English since he came here. for: （长达）（长达） for+ 时间段时间段 He has kept the book for 2 weeks. 2 在现在完成时态中，for 与 since 引导的时间状语可以相互转换。 since一段时间agofor时间段 e.g. since two weeks ago=for two weeks; I have kept the library book for a week.= I have kept the library book since a week ago. 歌诀：含有歌诀：含有for，since的现在完成时的用法歌诀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，过去的动作或状态，一直持续到现在， for、since把时间带把时间带. 用用 for 和和 since 填空。填空。 _three hours _three oclock _a long time _1997 _two weeks _three years ago _ last month _a week _two days _yesterday afternoon _I came here _last Sunday 在现在完成时中短暂性动词在肯定句、疑问句中不能与时间段连用。为了表述这种意思，在现在完成时中短暂性动词在肯定句、疑问句中不能与时间段连用。为了表述这种意思， 我们常将短暂性动词转变成相应的延续性动词来代替非延续性动词，或变成：我们常将短暂性动词转变成相应的延续性动词来代替非延续性动词，或变成：It is + 时间时间 段段 +since +一般过去时的句子一般过去时的句子. 常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变 第一类：短暂动词第一类：短暂动词 be + adj. die finish open/close fall ill/asleep marry sb/get married to 第二类：短暂动词第二类：短暂动词 be + 介词介词. start/begin leave join 第三类：短暂动词第三类：短暂动词 另一个动词另一个动词 buy borrow become put on Let the students make notes and present a form on the big screen and then let the students try remembering the changes of the verbs . Task 1 Test A: How long have you studied in this school? B: I _ _(study)in this school for 2 years. =I _ _(study)in this school _2 years_. It is two years _ I studied English. Task 2 Lets practice! 1. Turn to Activity 4a: Rewrite the sentences using for or since. Then let several students report their answers. 2. Turn to Activity 4b: Fill in the blanks with correct forms of the verbs in brackets. Then answer and check together. Exercise 1 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.这本书我已借了 4 个月了. Exercise 2 It is + 时间段时间段 +since +一般过去时的句子一般过去时的句子 1.他的爷爷已经去世 2 年了。 2.Nick 参军 3 年了. 3 3.他离开深圳好长时间了。 4.这本书我已借了 4 个月了. Step 4 Summary Ive had this bike for three years. =Ive had this bike since three years ago. =Its three years since I bought this bike. =I bought this bike three years ago. Step 5 Homework (1)Learn the present perfect tense by heart. (2) Recite the sentences in Grammar Focus. (3) Preview the new words and Section B(1a-2d) on Page 77-79. Blackboard Design Unit 10 Ive had this bike for three years. Period 3 Section A (Grammar Focus-4c) 1.Key words: hometown 2.第一类：短暂动词 be + adj. die finish open/close fall ill/asleep marry sb/get married to 第二类：短暂动词 be + 介词. start/begin leave join 第三类：短暂动词 另一个动词 buy borrow become put on Teaching Reflection