海口市中考英语-复习动词时态复习课件-人教新目标版.ppt

ReviewOfTenses现在完成时态不同时间发生的动作，动词要用不同形式已学习过的时态判断下列句子的时态现在完成时动词的过去分词形式am/is-was-beenare-were-beenbegin-began-begunbreak-broke-brokendo-did-donedraw-drew-drawndrink-drank-drunkdrive-drove-driveneat-ate-eatenfall-fell-fallenfly-flew-flownforget-forgot-forgottengive-gave-givengo-went-gonegrow-grew-grownhide-hid-hiddenknow-knew-knownlie-lay-lainride-rode-riddenring-rang-rungshow-showed-shownsee-saw-seensing-sang-sungspeak-spoke-spokentake-took-takencome-came-comerun-ran–runbecome-became-becomeI,finish,homework1.她成为一名护士已经三年了。2.我五年前就认识李雷了。3.那些相片我已经寄给他了。（post）4.我来到这个学校后，他就一直教我。5.我刚丢了我的历史书。现在完成时句中常见的时间A.表从过去一直持续到现在,不能是具体过去时间.already----------yet已经用于肯定句用于否定句，疑问句has/havebeentohave/hasgonetohave/hasbeenin1.whereisJim?HeWuhan.2.MyparentstheGreatWalltwice.Theylikethereverymuch.youevertheHappyvalley?HowlongPetertheWestHillfarm?Mysistertheshop.Shewillbebackintwohours.SheShanghai.Sheisn’there.SheShanghai.Sheishere.SheShanghaifortwoyears区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.即for,since短语或howlong问句come/go---goout---leave---begin---buy---borrow---join---die---arrive---改错:√近义句转换：JackjoinedtheLeaguefivemonthsago.JackaLeaguememberfivemonthsago2.It’salongtimesincewemetlast.Weeachotherforalongtimesincewemetlast.Icleantheblackboardeveryday.I'llcleantheblackboardinseveralminutes.I'mnowcleaningtheblackboard.Icleanedtheblackboardseveralminutesago.Ihavecleanedtheblackboardforseveralminutes.Thanks!!