定语从句详解

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定语从句是怎么样的呢?你们对这个句型了解多少呢?下面是小编为大家提供的关于定语从句的详解，内容如下：

关系副词引导的定语从句

关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。

1)when, where, why

关系副词when, where, why的含义相当于介词+ which结构，因此常常和介词+ which结构交替使用，例如：

There are occasions when (on which) one must yield.　任何人都有不得不屈服的时候。

Beijing is the place where (in which) I was born.　北京是我的出生地。

Is this the reason why (for which) he refused our offer?　这就是他拒绝我们帮助他的理由吗?

2)that代替关系副词

that可以用于表示时间、地点、方式、理由的名词后取代when, where, why和介词+ which引导的定语从句，在口语中that常被省略，例如：

His father died the year (that / when / in which) he was born.　他父亲在他出生那年逝世了。

He is unlikely to find the place (that / where / in which) he lived forty years ago. 他不大可能找到他四十年前居住过的地方。

　判断关系代词与关系副词

方法一：用关系代词，还是关系副词完全取决于从句中的.谓语动词。及物动词后面无宾语，就必须要求用关系代词;而不及物动词则要求用关系副词。例如：

This is the mountain village where I stayed last year.

Ill never forget the days when I worked together with you.

判断改错(注：先显示题，再显示答案，横线;用不同的颜色表示出。)

(错) This is the mountain village where I visited last year.

(错) I will never forget the days when I spent in the countryside.

(对) This is the mountain village (which) I visited last year.

(对) Ill never forget the days (which) I spent in the countryside.

习惯上总把表地点或时间的名词与关系副词 where, when联系在一起。此两题错在关系词的误用上。

方法二：准确判断先行词在定语从句中的成分(主、谓、宾、定、状)，也能正确选择出关系代词/关系副词。

例1. Is this museum ___ you visited a few days age?

A. where　B. that　 C. on which　 D. the one

例2. Is this the museum ____ the exhibition was held.

A. where　　B. that　 C. on which　　D. the one

限制性和非限制性定语从句

1) 定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分，去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开，例如：

This is the house which we bought last month.　　　这是我们上个月买的那幢房子。(限制性)

The house, which we bought last month, is very nice.这幢房子很漂亮，是我们上个月买的。(非限制性)

2) 当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限制性的，例如：

Charles Smith, who was my former teacher, retired last year. 查理史密斯去年退休了，他曾经是我的老师。

My house, which I bought last year, has got a lovely garden.　我去年买的的那幢房子带着个漂亮的花园。

This novel, which I have read three times, is very touching. 这本小说很动人，我已经读了三遍。

3) 非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数，例如：

He seems not to have grasped what I meant, which greatly upsets me. 他似乎没抓住我的意思，这使我心烦。