unit6 how long have you been collecting shells

Unit6Howlonghaveyoubeencollectingshells?2000now(2011)startedtoteachEnglishhavebeenteachingEnglish11yearsYaoMing’ssportslife1980wasborn1989startedplayingbasketballhasbeenplaying16years2006playsHestartedplayingbasketballin1989.Hehasbeenplayingbasketballfor16years.MichaelJackson1958:beborn1963~2009:singerHowlonghasMichaelJacksonbeenasinger?MichaelJacksonhasbeenasingerfor45years.QuestionsAnswersDifferenceHowlongdidyoudo…?Idid…for…stopHowlonghaveyoubeendoing…?Ihavebeendoing…for…sincenineo’clocksince1995.sincetenyearago.sinceIwas…yearsold.continueGrammar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+……I’vebeenstudyingEnglishfortwoyears.I’vebeenstudyingEnglishsincetwoyearsago.Hehasbeencollectingshellssincehewasten.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?Shehasbeendancingfor3hours.since3hoursago.3hours45minutesHowlonghasshebeenlearning?Shehasbeenlearningfor45minutes.since45minutesago.Whatis/are…doing?Howlonghas/have...been…?Usingsince/for:45minuteshalfanhour2year5years1hour2hoursforsince表示时间的持续for+时间段表示“自从……以来”since+时间点HowlonghaveyoubeenlearningEnglish?IhavebeenlearningEnglishfor2years.IhavebeenlearningEnglishsince2yearsago.IhavebeenlearningEnglishsinceIwas13yearsold.Fillintheblankwithfororsince1.Lanahasbeenrunning____15minutes2.Tomhasbeensleeping_____9:00.3.Hehasbeenlivinghere_____2001.4.Shehasbeendoingherhomework____twohours.5.IhavebeenwatchingTV____10minutes.6.–HowlonghasMarybeenateacher?–_____twoyearsago.forsincesinceSinceforfor1.李明在都江堰住了5年。1.李明曾经在都江堰住过5年。2.我们学英语两年了。2.我们曾经学过两年英语。3.Tom滑冰滑了3个钟头了。3.Tom滑冰滑过3个钟头。LiMinghasbeenlivinginDuJiangyanfor5years.LiMinglivedinDuJiangyanfor5years.WehavebeenlearningEnglishfor2years.WelearnedEnglishfor2years.Tomhasbeenskatingfor3hours.Tomskatedfor3hours.Now,it’stimeforustorelax!