英语人教版八年级下册现在完成时.ppt

thePresentPerfectTense BYYuYizhong 现在完成时 Conclusion 现在完成时表示一个到现在时间为止已经完成了的 对现在有影响的动作或状态 现在完成时的已完成用法 What sthePresentPerfectTense 什么是现在完成时 Ihavevisitedsomebeautifulcities Afriendhastoldmeaboutanicelittlefishrestaurantnearhere Theyhaveputupalotofhigh risebuildingsrecently JohnMartin Oh lookatthathugeapartmentblock XiaoLi Yes theyhavejustcompletedit 1 2 3 4 Conclusion 现在完成时表示一个从过去某一刻开始延续到现在的动作或状态 这个动作或状态也许还会持续下去 常与for since或一段时间连用 现在完成时的未完成用法 AmIrightinthinkingthatyouhavelivedhereallyourlife Thefamilyhaslivedinthistownfortwentyyears HehasstudiedEnglishsincehewas12yearsold IhaveknownhimsincelastDecember What sthePresentPerfectTense 什么是现在完成时 1 2 3 4 IhaveseenquitealotofChina Wehavestartedaholidayclubforchildren Theyhaveputupalotofhigh risebuildingsrecently Ithasbeenverysuccessful sofar Haveyoucollectedanyinformationaboutoccupations HasTomleftourtown Yes hehas Andhowlonghashebeenaway Abouttwohours 肯定句 主语 have has 过去分词 Ithasnotbeenverysuccessfulyet hasnot hasn t 否定句 主语 have hasnot 过去分词 疑问句 疑问词 Have Has 主语 过去分词 Wehavenotfinishedthework havenot haven t 1 2 3 SentenceStructures现在完成时的构成 We vealreadydoneourbesttohelppeoplefindemployment They veputupalotofhigh risebuildingsrecently lately Wehaveseenthatfilmbefore Haveyoucollectedanyinformationaboutoccupationsyet Conclusion 现在完成时的已完成用法往往同表示不确定的过去时间状语连用 如already recently lately just yet ever before等 TimeExpressionswithPresentPerfectTense现在完成时常用的时间短语 Mywife sjustboughtabeautifuldressfromoneoftheshopsthere HaveyoueverbeentoGulangyuIsland 1 2 3 4 5 6 Conclusion 现在完成时未完成用法往往同包含现在时间在内的时间状语连用 如sofar uptonow tillnow allone slife等 AmIrightinthinkingthatyou velivedhereallyourlife It sbeenverysuccessful sofar Uptonow I veunderstoodeverythingtheteacher ssaid We vehadverygoodweatherthiswinter tillnow TimeExpressionswithPresentPerfectTense现在完成时常用的时间短语 1 2 3 4 TimeExpressionswithPresentPerfectTense现在完成时常用的时间短语 Ihaveneverseensuchahighbuilding Ihavealwayslivedinthesameneighbourhood Ihavesometimeshadlettersfromhim Wehaveoftenbeenthere 1 2 3 4 Conclusion 现在完成时还可以与表示频度的时间状语连用 如often sometimes never always once twice threetimes等 I vebeentheretwice threetimes 5 ContinuousVerbORNon ContinuousVerb延续性动词还是非延续性动词 JohnMartinhascometoXiamen JohnMartinhascometoXiamenforthreeyears JohnMartinhasnotcometoXiamenforthreeyears Conclusion 非延续性动词 终止性动词 的肯定式不能和一段时间的状语连用 应改用相应的延续性动词或其它句型 1 JohnMartinhasfallenillsincehemovedtoXiamen JohnMartinhasbeenillsincehemovedtoXiamen JohnMartinhasnotfallenillsincehemovedtoXiamen 2 3 4 5 6 leavebeaway diebedead finishbeover marrybemarried joinbein fallillbeill buyhave borrowkeep movetolivein Non ContinuousVerbContinuousVerb非延续性动词转换为延续性动词 翻译 这辆自行车我已买三年了 1 Ihavehadthisbikeforthreeyears 2 IthasbeenthreeyearssinceIboughtthisbike XiaoLihasgonetoGulangyuIsland Oh canyoutellmewhenheleft IsthatJackspeaking Sorry heisn tinrightnow Hehasgonetothecinemawithhisaunt Conclusion havebeento表示去过某地 有去过某地的经历 人可以在说话处 或其它任何地方 可与表示次数的状语连用 JohnMartinhasbeentoGulangyuIslandtwice Conclusion havegoneto表示去某地了 人一定不在说话处 要么在去的路上 要么已经到了 要么在回来的路上 havebeentoORhavegoneto 去过 还是 去了 HaveyoueverbeentoGulangyuIsland Yes Ihave 1 2 3 4 Ithasbeensixyearssincewelastsaweachother Thisisthefirsttime that I vevisitedyourhometown ThisisthebestfilmthatIhaveeverseen Ifithasstoppedraining wewillgotothepark I llreturnthebookthelibraryassoonasIhavefinishedit Conclusion 在一些特殊的句型中要使用现在完成时态 PresentPerfectTenseinSpecialSentences特殊句型中的现在完成时 1 2 3 4 5 IhavebeentoGulangyuIslandinthelastyear IwenttoGulangyuIslandlastyear HehasreturnedfromParis HereturnedfromParisyesterday Hehasbeeninthearmyforthreeyears Hejoinedthearmythreeyearsago XiaoLihaslivedinXiamenfor30years XiaoLilivedinXiamenfor30years Conclusion1 一般过去时表示在确定的过去时间发生过的动作 仅陈述这一发生的动作属实 该动作和现在没有任何关系 而现在完成时表示过去发生的动作对现在造成的影响或结果 该动作现已完成或可能持续 强调的是过去对现在的影响或结果 1 2 3 4 Conclusion2 一般过去时常与具体的时间状语连用 如ago yesterday lastweek in1980 inOctober 而现在完成时通常与模糊的时间状语连用 或无时间状语 PresentPerfectTenseORSimplePastTense现在完成时还是一般过去时 ReviewofKeyPoints要点回顾 Key Points 1 Thatmusthavebeenalongtrip Yeah it usawholeweektogetthere 2011北京 A takesB hastakenC tookD wastaking2 In1492 Columbus ononeoftheBahamaIslands buthemistookitforanislandoffIndia 2011湖南 A landsB landedC haslandedD hadlanded3 Inthelastfewyearsth