1.WhathappenedtoDickyesterday?He_offhisbikeonthewaytotheschool.A.fellB.isfallingC.wasfallingD.hasfallen2.I_mysistersixtimestillnowbutherlinewasalwaysbusy.A.hadphonedB.wasphoningC.havephonedD.havebeenphoningWe use the simple past tense to tell what happened in the past.pastpresentDanielwenttoBeijingtwoyearsago.We use the present perfect tense to talk about an action that started in the past and continues to the present.DanielhaslivedinBeijingfortwoyears.pastpresentWe use the simple past tense to tell what happened in the past.pastpresentDanielboughtanewcomputerlastmonth.We use the present perfect tense to talk about the result of an action. When the action happened is not very important. Danielhasboughtanewcomputer.(Hehasacomputernow.)pastpresentWe use the simple past tense to tell what happened in the past.pastpresentHevisitedCanadain2010and2011.We use the present perfect tense to tell how many times an action has happened till now.HehasbeentoCanadatwice.pastpresent一、构成不同一、构成不同Theylivedherein2011.他们他们2011年住在这里。年住在这里。Wehavelivedhereforthreeyears.我们已经在这里住了我们已经在这里住了3年了。年了。一般过去时：主语一般过去时：主语+谓语动词的过去式谓语动词的过去式现在完成时：现在完成时：havehas+V-edHevisitedGuilinin1998.他他1998年参观过桂林。年参观过桂林。ShealwaysswamintheseawhenshelivedinQingdao.她住在青岛的时候，总是去海里游泳。她住在青岛的时候，总是去海里游泳。Jillhasboughtanewcomputer.吉尔买了一台新电脑。吉尔买了一台新电脑。Ihavehadmylunch.我已经吃了午餐。我已经吃了午餐。二、用法不同二、用法不同一般过去时一般过去时表示过去某个时间发生的事、表示过去某个时间发生的事、存在的状态或经常发生的动作。说话的存在的状态或经常发生的动作。说话的侧重点只在于陈述一件过去的事情，不侧重点只在于陈述一件过去的事情，不强调对强调对“现在现在”产生的影响。产生的影响。现在完成时现在完成时表示的动作或状态与现在的表示的动作或状态与现在的情况有联系，侧重这一动作对现在所造情况有联系，侧重这一动作对现在所造成的影响。成的影响。Hehasreadthatbook.(说明他现在知道那本书的内容。说明他现在知道那本书的内容。)Hereadthatbooklastyear.(只说明他去年读过那本书。只说明他去年读过那本书。)HehasgonetoAmerica.(他现在不在此地，他现在不在此地，到美国去了。到美国去了。)HewenttoAmerica.(只说明他去过美国。只说明他去过美国。)三、时间状语不同三、时间状语不同Didyouwatchthatfilmlastweek?你上周看那部电影了吗？你上周看那部电影了吗？Shecamebackyesterday.她是昨天回来的。她是昨天回来的。Hisfatherhasbeenateachersince1968.他父亲从他父亲从1968年以来一直当老师。年以来一直当老师。HaveyoueverbeentoLondon?No,Ihaveneverbeenthere.你曾经去过伦敦吗？你曾经去过伦敦吗？没有，以前从没去过。没有，以前从没去过。一般过去时一般过去时通常与表示过去的具体的通常与表示过去的具体的时间状语连用。如：时间状语连用。如：yesterday,lastweek,twoyearsago,justnow,in2002等；而等；而现在完成时现在完成时则常与则常与表示不确切表示不确切的时间副词连用，如的时间副词连用，如already,yet,ever,never,just,since,for,sofar,tillnow,uptonow等等。I_(visit)thePalaceMuseumwithmygrandparentstheotherday.I_(climb)MountHuanglastsummer.visitedclimbedCompletethesentenceswiththecorrectformsofthewordsinbrackets.(P41A)IamhappythatI_(learn)toswim._youever_(try)thefamousTianjinBaozi?Havetriedhavelearnt1.I_(finish/just)myhomework.Millie_(finish)herhomework20minutesago.2.I_(write)anemailtomyfriendyesterday.Daniel_(write/already)twoemails.havejustfinishedfinishedwrotehasalreadywrittenCompletethesentenceswiththecorrectformsofthewordsinbrackets.(P41B)3.I_(be)inHainanlastmonth.Someofourclassmates_(notbe)toHainanyet.4.I_(live)inSunshineTownsinceIwasborn.Daniel_(live)inNanjingin2007.washavenotbeenhavelivedlivedMillie:_(you/be/ever)toNanjing?Simon:Yes.I(2)_(be)therethreetimes.Millie:When(3)_(you/go)therelast?Simon:Lastsummer.I(4)_(spend)aweekthere.Millie:(5)_(you/like)it?Have you ever beenhave beendid you gospentDo you likeSimon:Ohyes.I(6)_(have)agreattimethere.I(7)_(visit)manyplacesofinterestand(8)_(eat)lotsoflocalfood.Millie:Luckyyou!I(9)_(be/never)there.hadvisitedatehave never beenbebuyreadreturnseeshowSaturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDanniel(1)_meanonlinetouroftheUSA.I(2)_never_somanywonderfulpictruesbefore.showedhave seenLastweek,I(3)_abookabouttheplacesofinterestintheUSA.I(4)_20pagesalready.Itsreallyinteresting.Mydad(5)_just_fromtheUSA,butI(6)_never_there.IhopeIcanvisittheUSAsomeday.bebuyreadreturnseeshowhave beenboughthave readhasreturned1.We_(plant)treeslastSunday.Sofarwe_(plant)over300treesthere.2.Aterribleearthquake_(happen)inWenchuanonMay12,2008.3.He_(work)heresincelastyear. 用所给动词的适当形式填空。用所给动词的适当形式填空。plantedhaveplantedhappenedhasworked4._you_(is)totheUnitedStates?Notyet.ButI_(go)toCanadaafewyearsago.5.LastyearI_(go)tothetheatreeveryweek.6.In1995,there_(be)averybigrace.7.LastSundayI_(get)upverylate.8.He_(teach)inourschoolfor30years.Havebeenwentwentwasgothastaught