微课现在完成时-PPT赵俊萍

现在完成时ThePresentPerfectTense南关一中赵俊萍present(now)futurepastMum,Ihavealready(已经)cleanedthem.John,cleanyourhandplease.我已经洗过了。（手是干净的）一.复习第一种用法：１.“完成法”：表示过去发生或已经完成的某一动作对现在造成的影响或结果。标志性词：already、never、ever、just、yet、before、sofar、once等。Someonehasbrokenthewindow.(窗户现在是坏的)Ihavealreadylostthekey.(我现在没有钥匙)Ihaven’treadthatbookyet.(不了解书的内容)二.学习：２.“未完成法”：表示动作或状态从过去已经开始，持续到现在并有可能延续到将来。时间状语：for；sincesince:(自…以来)1)since+时间点Hehasstayedheresince5o’clock.2)since+时间段+agoHehasstayedheresince5hoursago.3)since+从句ShehastaughtEnglishsincehecamehere.for:(长达）for+时间段Hehaskeptthebookfor2weeks.since,for的用法:Takenotes用for或since填空1.Mr.BrownhashadhisTV______15years.2.Myfriendshaven’tvisitedme______afewdaysago.3.Tomhaswornglasses_______hewas7yearsold.forsincesince注意：“未完成法”中，非延续性动词不能与for和since引导的表示一段时间的状语连用，通常是用相应的延续性动词来代替。常用的非延续性动词及替代形式如下：close—→beclosed,puton→wearopen—→beopengetup—→beup,finish/end—→beover,lose—→belost,marry—→bemarried(to),gettoknow—→knowfallasleep/gotosleep—→beasleep(sleep),come/arrive—→behere/in,come/getback—→beback,go/leave-beaway,become—→be,borrow—→keep,buy—→have,begin/start—→beon,die—→bedead,join—→bein/beamemberofcatchacold—→haveacold等，（记笔记本上,边用边积累）三.考查非延续性动词的用法1.Hisfather______thePartysince1978.Ａ.joinedＢ.hasjoinedc.hasbeenin2.—Doyouknowhimwell?—Sure.We_________friendssincetenyearsago.Ａ.wereＢ.havebeenＣ.havebecome3.Hurryup!Themovie__________fortenminutes.Ａ.hasbegunＢ.beganＣ.hasbeenon4.Hisunclediedtwoyearsago.（改变句子，句意不变）Hisunclehas_______fortwoyears5.It_____tenyearssinceheleftthearmy.Ａ.isＢ.hasＣ.willＤ.wascBCbeendeadA四.易混词have/hasbeento,have/hasgoneto,和have/hasbeenin１.have/hasbeento表示“过去曾去过某地”，但现在已经回来了。２.have/hasgoneto表示“已去了某地”，现在还没有回来。３.have/hasbeenin表示“已在某地（呆了多久）”，如果是小地方用at代替in。HehasgonetoShanghaiforameeting.他（已经）去了上海。HehasbeentoShanghaiforameeting.他（曾经）去了上海。Shehasbeenthere.她（曾经）去过那儿。（人已经回来了）HehasbeeninShandongfortenyears他呆在山东10年了。Thankyou!用have/hasbeento,have/hasgoneto填空：1.—Whereisyourbrother?—He____________theshop.He’llbebacksoon.2.—______youever_________toAmerica?—Yes,I___________NewYorktwice.3.—IsBennyhere?—No,he__________theschoollibrary.Heleftfiveminutesago.hasgonetoHavebeentohavebeentohasgoneto