初二英语Howlonghaveyoubeencollectingshells八年级英语课件
日期：2010-06-28 06:03
并且有可能持续下去时，Unit6Howlonghaveyoubeencollectingshells?WhendidYaoMingstartplayingbasketball?HowlonghasYaoMingbeenplayingbasketball?YaoMing’ssportslife成龙（JackieChan）1954:beborn1961~now:actHehasbeenactingfor44yearsHowlonghasJackieChanbeenacting?Hehasbeenactingsincehewas7yearsoldHehasbeenactingsince1961MissLi1975:beborn2001~2005:teachChineseHowlonghasMissLibeenteachingChinese?ShehasbeenteachingChinesefor4yearsShehasbeenteachingChinesesince2001ShehasbeenteachingChinesesince4yearsagoWangLei1990:beborn1999~now:learnEnglishHowlonghasWangLeibeenlearningEnglish?ShehasbeenlearningEnglishsince1999ShehasbeenlearningEnglishfor6yearsShehasbeenlearningEnglishsinceshewasnineShehasbeenlearningEnglishsince6yearsagoPleasesayouthowlongyouandyourfamilyhavebeendoingsomethingPractice当我们谈论动作从过去某一时间开始一直延续到现在，我们常常用以下句型来表示:for+一段时间have/hasbeen+doingsth+since+过去的时间点since+从句(一般过，
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