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)-省级优课-(编号：803bc).zip

第一课时第一课时 Section A(1a-1c) 【Free【Free talk】talk】How long have you had your bike? 【学习目标学习目标】 1. 学习下列单词：yard, sweet, cent, toy, bear, maker, scarf, soft 等单词 2. 能熟练运用下列语句询问活动情况： 1. How long have you had that bike ? Ive had it for three years. 重点语法：现在完成时与 for 和 since 连用的用法。 （延续性动词） 【教学过程教学过程】 一、自主学习一、自主学习 . 熟记单词和短语，并运用主要句型进行问答练习。 二、合作探究，质疑解惑二、合作探究，质疑解惑 1.【语法详解】 表示过去发生的动作或状态持续到现在，还可能继续下去。谓语动词为延续性动词， 句中常带有表示一段时间的时间状语， for +时段 =since +时段+ ago ，since+一般过去时从句， since+过去时间点 例如： I have had this bike for three years .(同义句) I have had this bike since three years ago . I have had this bike since2014. I have had this bike since my father bought it as my birthday gift. 翻译： 我在这所初中已经学习了两年了。 2 课文 1a ，1b ，1c 根据课文 1c 编对话。班级展示 三、三、 【我的收获我的收获】： 结合学习目标来谈收获结合学习目标来谈收获 四、四、 课堂检测比比谁最棒课堂检测比比谁最棒 ( ) 1. -_ you ever _ to an aquarium? -Yes, we had a good time there. A. Have, gone B. Had, been C. Have, been ( ) 2. I _ my grandpa last Sunday. A. have visited B. visited C. was visiting ( ) 3. She _ Shanghai for a month. A. has come to B. came to C. has been in ( ) 4. Lu Xun _ more than fifty years ago. A. died B. has died C. has been dead ( ) 5. Fanny _ TV at this time last Saturday. A. has watched B. was watching C. watched 五五【家庭作业家庭作业】认真做作业，我是最棒的！认真做作业，我是最棒的！ 1 为庭院拍卖会准备更多的东西，把钱捐给有需要的人。为庭院拍卖会准备更多的东西，把钱捐给有需要的人。 也可以把一些东西捐赠给儿童之家，帮助需要的人。也可以把一些东西捐赠给儿童之家，帮助需要的人。 2 背单词，预习下一课。背单词，预习下一课。 学练优八年级英语下（学练优八年级英语下（RJRJ ） 教学课件教学课件 复习 Unit10Ivehadthisbike forthreeyears. Leadin Reviewtheconversationthey learnedinlastclass. Howlonghaveyouhadthatbike overthere? A:Doyouhavea(n)_? B:Yes,Ido. A:Howlonghaveyouhadit? B:Ivehaditfor/since Summary 现在完成时用法（二）现在完成时用法（二） 此用法需注意两点此用法需注意两点 ： 1）常与）常与for,since引引间 的的间间 段的段的间间 状状间间 用。用。 2）动词）动词使用使用延续性动词延续性动词。 since,for的用法的用法: since:自自.以来以来 1)since+时间点时间点 Hehasstayedheresince5oclock. 2)since+时间段时间段+ago Hehasstayedheresince5hoursago. 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） ShehastaughtEnglishsincehecamehere. for:(长达）长达）for+时间段时间段 Hehaskeptthebookfor2weeks. since一段时间一段时间agofor时间时间段段; sincetwoweeksago=fortwoweeks; Ihavekeptthelibrarybookforaweek. =Ihavekeptthelibrarybooksinceaweekago. 在现在完成时态中，在现在完成时态中，for与与since引导的时间引导的时间 状语可以相互转换。状语可以相互转换。 Itis+间间 段段+since+一般一般间 去去间 的句子的句子. 1.他的爷爷已经去世2年了。 2.Nick参军三年了。 3.他离开深圳好长时间了。 4.这本书我已借了4个月了。 Itis2yearssincehisgrandpadied. Itis3yearssinceNickjoinedthearmy. ItisalongtimesinceheleftShenzhen. Itis4monthssinceIborrowedthebook. 含有含有for，since的现在完成时的用法的现在完成时的用法 歌诀歌诀:过去的动作或状态，一直持续过去的动作或状态，一直持续 到现在，到现在，for,since把时间带。把时间带。 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 第一类第一类：短暂动词：短暂动词be+adj. diefinish open/close fallill/asleep marrysb/getmarriedto 第二类第二类：短暂动词：短暂动词be+介词介词. start/begin leave join bedead beawayfrom bein/beamemberof beopen/closed beon beover beill/asleep bemarriedto 第三类第三类：短暂动词：短暂动词另一个动词另一个动词 buy borrow become puton keep have be wear 巧记瞬间性动词的转换：巧记瞬间性动词的转换： 开始开始离去借来还离去借来还， 出生出生入入死死买买到到家家 ， 穿衣穿衣入睡入睡要要感冒感冒， 开开开开关关关关变变结束结束。 1 beginbe on6 returnbe back 2 leavebe away from 7 joinbe in 3 gobe off8 diebe dead 4 borrow keep9 buyhave 5 comebe here10 arrive be here 10 reachbe here 11 put onwear 12 fall asleep be aslee p 13 catch a cold have a cold 14 openbe open 15 closebe closed 16 become be17 end/finish be over 4a Rewritethesentencesusingfor orsince. 1.JimisinJapan.Hearrivedtherethreedays ago. 2.Theyareveryhungry.Theirlastmealwasten hoursago. Theyhaventeatenfortenhours/sincetenhours ago. JimhasbeeninJapanforthreeyears. Quiz 3.Ihaveacamera.Iboughtitin2009. 4.IknowAnna.Ifirstmetherthreeyearsago. 5.Lindaisill.ShebecameillonMonday. Ihavehadacamerasince2009. IhaveknownAnnforthreeyears/sincethree yearsago. LindahasbeenillsinceMonday. 4b Fillintheblankswiththecorrect formsoftheverbsinbrackets. 1.I_(neverbe)tothewater parkbefore.Iwantto_(go)nextmonth beforetheweathergetstoocold. 2.They_(neverown)any pets,butthey_(always want)tohaveadog. haveneverbeen go haveneverowned havealwayswanted 3.We_(have)apianosincelast November.We_(buy)itfromtheLi familywhentheymovedtotheUSlastyear. 4.CathyandAmy_(notbe)back totheirhometownfortwoyears.They_ (miss)theirhometownalotandhopetovisit theplacenextyear. havehad bought haventbeen miss 5.Thismuseum_(be)herefor over20years.It_(be)oneofthe oldestbuildingsinthissmalltown. hasbeen is