语法专题：定语从句

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发布时间：2015-11-28 11:45:00
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内容提要：在复合句中充当定语的从句叫定语从句

She wore the same dress that she wore at Mary's wedding.

她穿着她在玛丽婚礼上穿过的同一条连衣裙。（that指的是与先行词同一事物）

② 在非限制性定语从句中，as可代表主句整个句子，引导的定语从句可以放在主句之前或主句之后，一般用逗号与主句分开。

As everyone knows, Taiwan belongs to China.

众所周知，台湾属于中国的领土。

He is from the South, as we can know from his accent.

他是南方人，这一点我们从他的口音可以知道。

必背：

一些由as引导的定语从句常位于句首，已形成了固定的说法。

as is known to all

这是众所周知的

as has been said before

如前所说

as is often the case

情况常常如此

as may be imagined

这可以想象得出

as has been pointed out

正如已经指出的那样

as often happens

这种情况常常发生

2．but

but作关系词只能引导限制性定语从句，同具有否定意思的主句连用，相当于that not, who/not或which/not。

There is not a single student in my class but would like to study more.

我班上没有一个学生不愿意多学一点的东西的。（but = who not ）

There are very few but are against war

很少人不反对战争。（but = who not）

G．介词+关系代词引导的定语从句

介词+关系代词引导的定语从句是一种非常常见但也比较复杂的定语从句结构。

1. 介词+关系代词中介词的位置

关系代词whom, which在从句中作介词宾语时，可以跟介词一起放在从句与主句之间（that, who不可以），也可以把介词放在从句中有关动词的后面，使关系代词紧跟它所修饰的先行词。

He is a man of rich experience, from whom much can be learned.

= He is a man of rich experience, whom much can be learned from.

他是个经验丰富的人，从他那儿可以学到很多。

The school in which he once worked is a key school.

=The school （which/that） he once worked in is a key school.

他曾经工作过的学校是一所重点学校。

The manager in whose company I work pays much attention to improving

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