职称英语指导:语法知识——介词的意义(3)

网络资源 Freekaoyan.com/2008-04-11

  3.表示原因的介词

  for常常表示褒贬、奖惩的原因或心理原因。

  They will reward you for your help.来源:考

  due to常常用来引导形容词性的短语,作定语或表语。

  Mistakes due to carelessness may have serious consequences.

  from和out of常常表示动机或原因;through表示消极或间接的原因。

  He feels weak from lack of sleep.

  He broke down through overwork.来源:考

  4.表示目的的介词

  for表示拟定的接收人或目的;to表示实际的接收人或目的。

  I bought the gift for my little sister.

  I gave the gift to my little sister.来源:考

  for和to都可以引导目的地。For跟在含有出发或开始意义的动词后,如:leave, set out,start, depart, sail等;to跟在含有来来往往地行动的意义的动词后,如:go, come, run ,walk,move, fly, drive, ride等。来源:考

  We have left for Hong Kong.

  He flew to America via Hong Kong.

  at表示起因;on表示依据。来源:考

  She is quite pleased at his help.

  Ken was arrested on a charge of that.

  at还可引导行为的目标或精力的集中点。

  He shot at the bird.

  5.表示“关于……”的介词

  一般about用于比较随便的谈话或非正式的文体;on用于正式的讲话、著作或报告中;of用于动词talk, read, know, say, hear, boast等的后面。如:

  What are you talking about?来源:考

  A paper on serfdom in Russian

  In terms of natural resources

  6.表示原料的介词

  of和out of表示制成品的材料仍保持原材料的性质;with表示制成产品的一种成分;from表示制成品已失去了原材料的性质;in表示制成品的材料的色调或特殊性。

  His house was built of brick.来源:考

  She made these toys out of old cigar-boxes.

  A fruitcake is made with fruit.

  Steel is made from iron.来源:考

  We have furniture of this design in oak and in walnut.


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