2013考研英语复习语法要点:时间状语
作者:佚名       时间:09-26

2013考研英语复习语法要点:时间状语

2.时间状语
  1)名词短语引导时间状语,如the moment, the minute, the instant, the day, the year
      等。例如:
      She wired her father the moment she reached the hotel.
      她一到旅馆就给她父亲发了电报.
      The instant she saw me she knew I was his brother.
      她一着见我就知道我是他兄弟.
      I will notify them of your arrival the minute you reach the city.
      你们一到本市我就将通知他们。
      这里the moment, the minute, the instant都相当于... as soon as,二
  2)某些由副词充当的连词如immediately, directly, instantly也可引导时间状语,愈
      为二、. as soon as...。例如:
      I got in touch with him immediately I received his letter.
      我一收到他的信就和他联系了。
      The doctors performed an operation on the patient directly he was sent to the hospi-
        tal.
    病人一送到医院医生们就给他动了手术.
    I recognized her instantly I saw her get down the train.
    她一下火车我就认出了她。
3) on+Ving或upon+n.结构亦可表示时间状语
  On inquiring,we found that the plane had already left.
  经询问,我们才知飞机已经起飞了。
  On entering the room,I saw him seated at the corner.
  一进房间我就看见他坐到角落里.
  Upon his arrival,all the audience stood up and applauded.
  他一到,所有的观众都站起来鼓掌.
4) when, while, whenever可以引导无动词时间状语从句.例如:
  Experience,when dearly bought,is seldom thrown away.
  付出昂贵的代价得来的经验是不会轻易抛弃的.
  We read them when young; we remember them when old.
  我们年轻时读过它们,年老时还记得.
  Whenever in difficulty,you can count on our support.
  每当遇到困难时,你可以依靠我们.
其他一些连词如until, once等有时也能引导无动词时间状语。
Do not leave the building until instructed to do so.
除非接到指示,否则不要离开这幢大楼。
Once printed,this book will be very popular.
一旦付印,这本书将很受欢迎

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