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2015年MBA备考冲刺英语:英语语法概述(五)

2014-01-23 14:14:15来源:233网校

  [提示]

  1. 当先行词是all, something, nothing等不定代词时;或先行词前有first,last, only, few, much, some, any, no等修饰时;或先行词前有形容词最高级修时, 一般只用that而不用which来引导定语从句。

  I’ve explained everything (that) I can to you.

  This is the most beautiful compus (that) I’ve ever been to.

  2. 定语从句分为限定性定语从句和非限定性定语从句, 限定性定语从句与主句关系紧密, 为句中不可缺少的部分, 如去掉, 主句意思不完整。非限定性定语从句与主句关系松散, 如去掉, 主句内容仍完整。在书面语中, 非限定性定语从句一般被逗句隔开。非限定性定语从句一般不用that引导。引导非限定性定语从句的关系词不可省略。

  His speech, which bored everyone, went on and on.

  The general’s daughter, whose name is Ann, gave me a sweet smile.

  3. 先行词也可以是整个句子。这时, 一般用which或as来引导定语从句。 which在从句中可充当主语、宾语等, as在从句中一般只充当主语。which与as引导此类定语从句的区别在于: which只能置于句中或句末, 而as的位置比较灵活, 可置于句中、句末, 又可置于句首。

  Water consists of hydrogen and oxygen, which (as) is known to all.

  He was awarded a gold medal, which the whole family considered a great honor.

  As had been expected, he finished first in decathlon(十项全能) at that Olympic Games.

  4. 关系代词在定语从句中有时也做介词的宾语。如果介词被置于关系代词前, 一般只用介词+which或介词+whom, 而不用介词+that来此导定语从句。如果介词被置于从句句末, 则可用that代替which或whom,且that这时可省去。

  This is the ring on which she spent 1,000 dollars.

  One of my colleagues whom (that) you are familiar with will come today.

  三、状语从句

  在复合句中, 起状语作用的从句称作状语从句。

  根据语义, 状语从句分为:

  时间状语从句、地点状语从句、条件状误从句、原因状语从句、

  让步状语从句、比较状语从句、目的状语从句、结果状语从句、

  方式状语从句。

  状语从句可放在句首或句末。如状语从句位于主语前,一般用逗号将其与主句隔开。


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