您所在的位置:主页 > 新概念二册 > 补充知识 >
被动语态的构成
更新:2012-09-19 15:43 作者:LCivan 来源:未知 点击:1 次  

被动语态的基本构成形式为:主语 + be动词 + 动词过去分词 (+ by + 动作执行者)。
  被动语态的基本构成形式应用到各时态和句型中的形式如下:
  1.一般现在时的被动语态(am/ is/ are done)
  例:Once environmental damage is done, it takes many years for the system to recover.环境一旦遭到破坏,需要多年时间才能恢复过来。
  2.现在进行时的被动语态(am/ is/ are being done)
  例:Many things are being done by machines.许多工作现在由机器人来做的。
  3.现在完成时的被动语态(have/ has been done)
  例:A lot of work has been done in the past year.在过去的一年里许多工作都已经做完了.
  4.现在完成进行时的被动语态(have/ has been being done)
  例:How long has the research been being done?这项研究已进行了多久?
  5.一般将来时的被动语态(will be done)
  例:I assure you that the matter will be attended to as quickly as possible. Have a little patience.我向你保证这件事情会尽快得到处理,你要有点耐心。
  6.将来进行时的被动语态(will be being done)
  例:This piece of music will be being played at the same time tomorrow, and you can't even get it right!明天的这个时候就在演奏这首曲子了,而你居然还弹不对!
  7.将来完成时(will have been done)
  例:I hope that everything I have told you won't have been forgotten by the next lessen.我希望到下节课时,你们不会已经忘了我给你们讲授的所有知识。
  8.将来完成进行时的被动语态(will have been being done)
  例:By the end of next month, the project will have been being worked for 3 years.到下个月底为止,这项工程就已经不停地进行了3年了。
  9.一般过去时(was/ were done)
  例:Improvements were done in response to our customer's demands.应客户要求,我们做了改进工作。
  10. 过去进行时的被动语态(was/ were being done)
  例:While you were in London that year, the London Bridge was being repaired.你在伦敦的那年,伦敦大桥正在被维修。
  11.过去完成时的被动语态(had been done)
  例:I was shocked to hear that your house had been broken into.听说你的房间被盗,我感到很惊讶。
  12.过去完成进行时的被动语态(had been being done)
  例:The old clock had been being taken apart and fixed up a***n for several times by my 10-year old son before I came back.我回到家之前,我10岁大的儿子已经把这个旧钟表拆卸并重新组装了好几回了。(此处强调“拆卸”和“组装”这两个过去的过去的动作一直在反复进行。)

声明:如果本文侵犯您的权益,请联系本站删除!
上一篇:让步状语从句 下一篇:没有了

网站热点阅读