现在完成时态ppt课件

  • 发布时间:2014-06-20
  • 课件大小:36 KB
  • 所属栏目:八年级英语
  • 课件格式:.rar(压缩解压).ppt(使用格式)
  • 课件等级:现在完成时态ppt课件推荐等级为3星
  • 简略标题:现在完成时态
  • 应用环境:多媒体教学
  • 制作使用:PowerPoint
  • 应用阶段:通用版本

现在完成时态ppt课件介绍

现在完成时态ppt课件内容预览:构成:用法一:表示过去发生的某一动作对现在造成的影响或产生的结果.现在完成时这一时态强调是过去动作与现在的联系,也就是强调现在的影响和结果.havehas +过去分词1.都表示过去发生的事2.现在完成时强调过去和现在的联系,不能和具体的时间状语连用;3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用(last,ago,yesterday,etc.)presentpastI have lived here for two yearsI lived there 2years agoeg.1. He had his breakfast at 6:00He has had his breakfast.2. When did you come here?I watched the football match on TV at 9:00.Adverbs of timepptbefore,by now (so far),once,twice…,just,recentlyyet(否疑),already(肯),ever,never,all one’s life ,in during the past last 5years,Exercises1. I________(have)lunch already.2. Has the train_______(arrive),yet?3.Tome ____never_______(be to )China.4. The twin ______just _____(see)my father.5. The twins ____(see)my father just now.6. Many tall buildings ____________(build)in the past 5years.have hadarrivedhasbeen tohasseensawhave been built用法二:for+段时间since+点时间since+句子(过去时)E.g. Kate has lived here for 3years.Kate has lived here since 3years ago.Kate has lived here since she came toChina.表示过去某个时间开始的动作或存在的状态,一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用常见非延续性动词和延续性动词的转变arrivecomego to diebecome a borrowLeavemovebuy openjoinstartbegin finishendcatch a cold get upget to know get outclose wake upgo to sleepbecome interested inbe inbe deadhavekeepbe away be outbe abe ina member ofbe openbe onbe overhave a coldbe upknowbe outbe closedbe awakebe asleepsleepbe interested inExercisesHis father has died.(for 2years)The football match has begun.(since9:00a.m)The twins have joined the army.(since they are 18years old)My teacher has just left Nanjing.(for 3days)His father has been dead for 2years.The football match has been on since 9:00a.m.The twins have been soldiersbeen in the army since they are 18years old.My teacher has been away from Nanjing for 3days重点句型:It ishas been+段时间+since从句段时间+has passed+since从句eg.他死了两年了:He died two years ago.He has been dead for two years since two years agoIt ishas been two years since he died.Two years has passed since he died.1.这本书我借了一个月了。I borrowed this book a month ago.It ishas been a month since I borrowed the book.I have kept the book for a month.since a month ago.A month has passed since I borrowed the book.Havehas gone tohavehas been to havehas been inhavehas gone to:已经去了或在途中,还没有返回;havehas been to:曾今去过某地,现在已经回来了,后面可接表示“次数”的状语;havehas been in:表示某人“已在某地停留一段时间,现仍在那里”,其后常带表示一段时间的状语。ExercisesTom 在哪儿?他去书店买书了。我在北京待了5年了。Jack 去过上海两次了-Where isTom?-He has gone to the bookshop to buy some books.I have been in Beijing for 5years.Jack has been to Shanghai twice.Correcting1. I have borrowed the book for 3months.2. My bother has joined the army since he was 18.3. Jack and Tom have lived here since 5years.

课件关键字:时态,现在完成时

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