CET4 常考的语法讲义知识点CET4考试

文章作者 100test 发表时间 2009:04:30 07:55:53
来源 100Test.Com百考试题网


  四级语法讲义
  一:时态:所谓的"时态",就是时间 状态。谓语动词的时态见下表:
  1.主动形式
  过去 现在 将来 过去将来
  一般 did do will/shall do should/would do
  进行 was/were doing am/is/are doing will/shall be doing /
  完成 had done have/has done will/shall have done should/would have done用于虚拟语气
  完成进行 had been doing have/has been doing / /
  2.被动形式
  过去 现在 将来 过去将来
  一般 was/were given am/is/are given will/shall be given should/would be given
  进行 was/were being given am/is/are being given / /
  完成 had been given have/has been given will/shall have been given should/would have been given
  完成进行 / / /
  v CET-4 常考的三种时态:过去完成时;将来完成时;(现在/过去)完成进行时。
  v 时间状语从句当中的时态:
  一般过去时 所有的过去
  用 一般现在时 表示 现在和将来
  现在完成时 现在完成和将来完成
  一.非谓语动词
  一.不定式:
  一)不定式的常考形式:
  1) 一般形式:He decided to work harder in order to catch up with the others.
  被动形式: He preferred to be assigned some heavier work to do.
  语法功能: 表示与谓语动词同步发生
  2) 完成形式:He pretended not to have seen me.
  被动形式:The book is said to have been translated into many languages.
  语法功能:表示发生在谓语动词之前
   二)不定式常考的考点:
  1)不定式做定语----将要发生
  2)不定式做状语----目的
  3)不定式充当名词功能---To see is to believe.
  三)不定式的省略
  1)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.
  昨天我见他正在花园里干活。(强调"我见他正干活"这个动作)
  v 感官动词后面接形容词而不是副词:The cake tastes good. It feels comfortable.
  2) 使役动词 have bid make let 等词后不定式要省略但同1)一样被动以后要还原to
  I ‘d like to have John do it.
  I have my package weighed.
  Paul doesn’t have to be made to learn.
  3) help help sb do help sb to do help do help to do

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