2015外研版英语下课件22相关素材since和for的用法

Sincefor表示过去已经开始持续到现在的动作或状态常用的时间状语有：for,since,howlong,sofar,thesedays等。Since+过去点的时间，for+一段时间(数词+量词)howlong一、since短语或从句表示过去的动作延续至今，sinceMr.Smithhasworkedheresince1984.1984年以来，先生一直在这工作He’slearnedabout5,000Englishwordssincehewenttocollege.他上大学以来大约学了五千二、for短语表示动作延续多长时间，forWehaveknowneachotherfortwentyyears.我们认识有二十年了。Ihaven’tseenherforalongtime.我好久没有见到她了。sincefor1) two 2) twoyears3) last 4) 5) 6) 47) 4 8) anhour9) wewere 10) lunch11) sheleftHehaslivedinNanjing theyearbeforeI’veknownhim wewereOurteacherhasstudiedJapanese threeShehasbeenawayfromthecity abouttenIt’sabouttenyears sheleftthe①arriveat/insw.getto/e/go/movetosw. →beinsw./atschool/athome/onthefarm/behere/bethereHegottoBeijingfiveminutesHe Beijingfor ImovedtotheUSAlastI theUSAsince IwenthomeI homefor TheycameherelastThey heresince ②come/goback,return→bebackcome/goout→beHecameouttwoyearsHe for WereturntoFuzhouWe toFuzhousince e→IbecameateacherinI ateacherfor TheriverbecamedirtylastTheriver dirtyfor ④close→beclosedopen→beTheshopclosedtwohoursTheshop for ThedooropenedatsixintheThedoor forsix⑤getup→beupdie→be leavesw.→beawayfrom fallasleep/gettot→be finish/end→beovermarry→beIgotuptwohoursI since HeleftFuzhoujustHe FuzhouforfiveMygrandpadiedinMygrandpa for ThemeetingfinishedatThemeeting forsixIgottosleeptwohoursI since TheymarriedinThey since ⑥start/begintodosth.→dosth.begin→beIbegantoteachatthisschoolin1995.I atthisschoolsince ThefilmbegantwominutesThefilm for ⑦borrow→keeplose→nothavebuy→haveputon→wear catch/getacold→haveacoldgettoknow→knowTheyborroweditlastThey itsince IboughtapentwohoursI apenfor IgottoknowhimlastI himsince IputonmyglassesthreeyearsI myglassesfor ⑧have/hasgoneto→havebeenHehasgonetoHe Beijingfortwo⑨jointheleague/theParty/thearmy →bealeague/aPartymember/asoldier →beamemberoftheleague/theParty →beintheleague/theParty/thearmyHejoinedtheleagueinHe a fortwoHe a the fortwoyears.He theleaguefortwoyears.MybrotherjoinedthearmytwoyearsMybrother a for Mybrother in fortwo102I twoyearsI a fortwoI a of fortwoyears.I the fortwoyear