广西玉林市兴业县第一初级中学八年级英语下册 Unit 6 How long have you been collecting shells Section A 课件 人教新目标版.ppt

新目标八年级 下 unit6 英语课件 howlonghaveyoubeencollectingshells unit6 discussthefollowingquestions didyou lastnight yesterday whendidyoustart istarted at howlonghaveyou ihave for groupwork howlonghaveyoubeendoing i vebeendoing for 一段时间 since 一个时间点 yaoming1980 beborn1989 2011 playbasketball hestartedplayingbasketballin1989 hehasbeenplayingbasketballsince1989 hehasbeenplayingbasketballfor20years pairwork liyuchun1984 beborn1987 2011 sing howlonghasshebeensinging whendidshestartsinging shestartedsingingin1987 shehasbeensingingfor22years since1987 成龙 jackiechan 1954 beborn1961 now act hehasbeenactingfor49years howlonghasjackiechanbeenacting hehasbeenactingsince1961 michaeljackson1958 beborn1963 2009 singer howlonghasmichaeljacksonbeenasinger michaeljacksonhasbeenasingerfor45years a what syourhobby b a howlonghaveyoubeen b ihavebeen for since talkaboutyourhobbies 1 howlongdidyousleeplastnight 2 whendidyoustartclasstoday 3 howlonghaveyoubeeninclasstoday isleptfor hourslastnight westartedclassat today ihavebeeninclassfor hourstoday questions i vebeenskatingforfivehours howlonghaveyoubeenskating 1blistening i vebeenskatingforfivehours iskatedforfourhours i vebeenskatingforfivehours iskatedfortwohours pairworkaskandanswerquestionsaboutthepeopleinthepicture a howlonghasalisonbeenskating b she sbeenskatingforfivehours a howlongdidsamskate b heskatedforfourhours 2alistening 1 howlongdidyouskatetoday 2 howlonghaveyoubeenskatingtoday 3 wasthisyourfirstskatingmarathon 4 doyouskateeveryday 5 whendidyougetyourfirstpairofskates 6 howlonghaveyoubeenskating questions1 howlongdidyouskatetoday 2 howlonghaveyoubeenskatingtoday 3 wasthisyourfirstskatingmarathon 4 doyouskateeveryday 5 whendidyougetyourfirstpairofskates 6 howlonghaveyoubeenskating 2blistening answersa no iskatedinamarathonlastyear b yes ido c forsixhours d sinceiwassevenyearsold 1 congratulationsonwinningtheskatingmarathon congratulations 祝贺你 congratulationsondoingsth 祝贺你做了某事2 iskatedinamarathonlastyear 我在去年的一场马拉松比赛中滑过冰 explanation 3 howlongdidyouskate 一般过去时 howlonghaveyoubeenskating 现在完成进行时 howlonghaveyoubeenhere 现在完成时 howlong 多长时间 疑问句 e g howlonghaveyoubeenwaiting 你已经等了多久 howlongwillthemeetinglast 会议将持续多长时间 4 ihavebeencollectingshellsforfiveyears 现在完成进行时的构成 have hasbeen 现在分词 表示从过去某一时间开始一直延续到现在的动作 并有肯能持续下去 现在完成进行时的这种用法多用于延续性动词 比如 work live study等 它所表示的动作可能一直延续到说话时为止 或可能继续持续下去 现在完成进行时还可以表示从过去到现在的重复性动作 现在完成时的语法作用 1 在强调指出动作还未结束 还要继续下去 如 i vebeenreadingthisbookfortwohours butihaven tfinishedit 这本书我已读了两个小时了 但我还没读完 2 强调动作延续时间的长久或带感情色彩 shehasalwaysbeenworkinglikethat 她一贯是这样工作的 3 动作不包含持续意义的动作 要表示延续到现在的动作 要用现在完成进行时 they vebeenbuildingaship 他们一直在造一艘船 在进行 4 现在完成进行时也可表示现在以前这段时间反复发生的事情 we vebeenseeingquitealotofeachotherrecently 最近我们经常见面 2cpairwork a howlonghaveyoubeenskating b i vebeenskatingsinceiwassevenyearsold 定义 表示某动作从过去开始 一直延续到现在经历了多长时间 常有可能持续下去 常和表示一段时间的状语连用 此时态包含现在进行时的含义 也包含现在完成时的含义 时间状语 1 for 一段时间2 since 过去的时间点3 since 一般过去时的句子 构成 have hasbeen v ing 现在完成进行时 注意 for表示时间的持续 后跟时间段 表示一段时间 多与带数词的名词连用 谓语需用延续性动词 since表示 自从过去某一时间点以来 后面接时间点 强调动作或状态一直延续到现在 一般用现在完成时或现在完成进行时 since后可接表时间的名词或名词短语 也可接一个时间状语从句 i vebeenstudyingenglishfortwoyears i vebeenstudyingenglishsincetwoyearsago hehasbeencollectingshellssincehewasten 否定句 主语 have has not doing 现在分词 ihaven tbeenwritingtheletterfortwohours hehasn tbeensleepingfor4hours 一般疑问句 have has 主语 been doing 现在分词 1 haveyoubeenwritingtheletterfortwohours 2 hashebeensleepingfor4hours 现在完成进行时与一般过去时的区别这两种时态所表示的动作虽然都发生在过去 但是现在完成进行时强调的是动作的持续或进行 而一般过去时则只表示过去的动作或状态 和现在没有什么联系 例如 hehasbeenswimmingsincefouro clock 他从四点起一直在游泳 现在还在游 heswamatfouro clock 四点钟他在游泳 不涉及现在是否还在游 howlonghasshebeendancing shehasbeendancing for3hours since3hoursago pairwork 3hours 45minutes howlonghasshebeenlearning shehasbeenlearning for45minutes since45minutesago whatis are doing howlonghas have been usingsince for 45minutes halfanhour 2year 5years 1hour 2hours 一 选择填空 1 i vebeenskating threehourstoday a aboutb forc since 2 we vebeenstudyingenglish twoyearsago a forb fromc since b c 练习坊 3 shestartedskating 9o clock a forb atc since 4 sam collectingshellsforfiveyears a isb startedc hasbeen 5 howlonghaveyou today a swimmingb beenswimmingc startedswimming b c b 二 用for或since填空1 ihavebeenpracticingmyoralenglish 10 30 2 maryhasbeenrunning 15minutes 3 sarahhasbeensleeping 9 00 4 dalehasbeentalkingonthephone 5minutes since for since for 5 louiehasbeenstudyingchinese hewas6yearsold 6 ihavebeenwatchingyou 10minutes 7 lanahasbeenrunning 15minutes8 tomhasbeensleeping 9 00 since for for since 9 hehasbeenlivinghere 2001 10 shehasbeendoingherhomework twohours 11 ihavebeenwatchingtv 10minutes 12 howlonghasmarybeenateache