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===大学生成长生活平台===

英语专业四级词汇与语法全真模拟练习三十二

2012-12-25来源/作者:卫凯点击次数:654

  从今天开始我们要专攻助动词。好啦,现在大家先来回忆一下助动词有哪一些?
  助动词包括:be (is, am, are, was, were, been, being);have (has, had, having);do (does, did);shall (should), will (would)
  " be + 动词不定式"可以表示下面几种意思:
  1.命令或指示。例如:
  No one is to enter the room without permission.
  2.计划或安排。例如:
  A new bridge is to be built over the river soon.
  3.可能。例如:
  This kind of tree is to be found in that forest.
  4.应该。例如:
  Such people are to be criticized.
  5.表示后来发生的事,可以用来表示一种命运。例如:
  They said good-bye, little knowing that they were never to meet again.
  Task:这一期你的任务一:仔细观察下面三个句子,指出各个句子中的"be+动词不定式"是上面五种意义的那一种。
  1.The books are not to be taken out of the reading-room.
  2.The expedition is to start in a week’s time.
  3.He was to regret the decision.



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