现在完成时ppt课件

  • 发布时间:2014-06-20
  • 课件大小:177 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ppt课件推荐等级为3星
  • 简略标题:现在完成时
  • 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ppt课件介绍

现在完成时ppt课件内容预览:1.现在完成时态表示过去发生的动作对现在造成的影响或结果Our teacher has left.We have studiedEnglish.I have already finished the homework.He has had his lunch.He has become a doctor.我们老师已经离开了. Our teacher has been away.(F)Our teacher has left.(T)错误的认识:(1)必须使用延续性动词.(2)延续性动词必须和一段时间连用.havehas+过去分词2.某个动作从过去已经开始,一直持续到现在,还有可能持续到将来.动作的持续性要通过一段时间来表示.一段时间的表达方法有两种:for:+一段时间for a year for two weeks for three yearsSince 过去的某一时刻,since nine since last week一般过去时态的时间状语从句since you came since you got home.ppt注意:for 和since 所引导的时间状语都表示一段时间.He has been away since last week.He has been away since last week.对划线部分提问都用How long结束性动词不能和表示一段时间的时间状语连用,但是他可以转换成相应的延续性动词.1.直接用延续性动词buy– have catch(get)a cold –have a cold borrow—keepComego become—be put on--wear2.转换成be+名词join the army – be a soldierJoin the Party –be a Party membergo to school– be a student3转换成be+形容词或副词die—be dead finish – be over begin—be onleave—be away fall sleep – be asleep close – be closed4.转换成be+介词短语go to school– be in school join the army – be in the army1.我们买这本书三年了.We have had the book for three years.2.他感冒三天了.He has had a cold for three days.We bought the book three years ago.He caught a cold three days ago.一般过去时态和现在完成时态可以构成同意句3.自从上星期我借的这本书I have kept the book since last week.4.我成为一个学生两年多了.I have been a student for over two years.I borrowed the book last week.I became a student two years ago.5.MrBlack死了三年了。Mr Black has been dead for three years.Mr Black died three years ago.6.小名参军半年了。Xiao Ming has been a soldier for half a year.Xiao Ming joined the army half a year ago.7.我们上了8年学了。We have been students for eight years.8.下课10分钟了The class has been over for ten minutes.9.电影开始了一小时了The film has been on for an hour.10.门打开半小时了The door has been open for half an hour.You’ve never seen such a wonderful film before,_______?A haven’t you B have you C do you D don’t you2.--Ann has gone toShanghai.---So ____her parents.3.– I have watched the game.--When ____you ____it?A have watched B do watch C did watch D will watch4. Mr. Green ____in China since five years ago.A lived B has lived C lives D is going to live5. His grandma ______for two years.A died B has been dead C was dead D has died6.–Where is Han Mei now?--- She ____to Shanghai. She will be back in two days.A has gone B has been C goes D had gone7.---_____to the United Stated ?---- No,never,but I went to Canada a few years ago8. You haven’t changed your mind,_______?A do you B are you C have you D did you9. How long have you _____the football team of the school?A been on B been at C joined D played10.---Where have you _____these days?---- I have _____to Dazhu with my friends.A been ,gone B been ,been C gone ,been D gone,gone11. How long have you ____this book?

课件关键字:现在完成时

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