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2015年公共英语考试综合辅导之语法精讲(12)
发布时间:2011/7/22 18:51:44 来源:城市学习网 编辑:admin

  感官动词 + doing/to do
  感官动词 see, watch, observe, notice, look at, hear, listen to, smell, taste, feel + do 表示动作的完整性,真实性;+doing 表示动作的连续性,进行性
  I saw him work in the garden yesterday.
  昨天我看见他在花园里干活了。(强调"我看见了"这个事实)
  I saw him working in the garden yesterday.(强调"我见他正干活"这个动作)
  昨天我见他正在花园里干活。
  典型例题
  1)They knew her very well. They had seen her ___ up from childhood.
  A. grow B. grew C. was growing D. to grow
  答案:A。因题意为,他们看着她长大,因此强调的是成长的过程,而非正在长的动作,因此用see sb do sth 的句型。
  2)The missing boy was last seen ___ near the river.
  A. playing B. to be playingC. playD. to play
  答案A. 本题强调其动作,正在河边玩,应此用see sb. doing sth句型

  一般现在时的用法
  1) 经常性或习惯性的动作,常与表示频腮度的时间状语连用。
  时间状语:every…, sometimes, at…, on Sunday
  I leave home for school at 7 every morning.
  2) 客观真理,客观存在,科学事实。
  The earth moves around the sun.
  Shanghai lies in the east of China.
  3) 表示格言或警句中。
  Pride goes before a fall. 骄者必败。
  注意:此用法如果出现在宾语从句中,即使主句是过去时,从句谓语也要用一般现在时。
  例:Columbus proved that the earth is round..
  4) 现在时刻的状态、能力、性格、个性。
  I don't want so much.
  Ann Wang writes good English but does not speak well.
  比较:Now I put the sugar in the cup.
  I am doing my homework now.
  第一句用一般现在时,用于操作演示或指导说明的示范性动作,表示言行的瞬间动作。再如:Now watch me, I switch on the current and stand back. 第二句中的now是进行时的标志,表示正在进行的动作的客观状况,所以后句用一般现在时。

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