8.非限制性定语从句中关系代词的选择

(1)在非限制性定语从句中，通常用who/whom指人，用which指物。

Bob's father，who worked on the project，spent four years in Egypt．

鲍勃的父亲从事这项工程，在埃及度过了四年。

Dad，this is Zheng Jie，who I knew in Paris．

爸，这是郑杰，我在巴黎认识的。

His mother，whom he loved dearly，died in 1818．(95人教版高一上第50页)

他非常爱他的母亲，她死于1818年。

This book，which was only published a year ago，has gone through severaleditions．

这本书已经再版几次了，虽然它只是在一年前出版的。

(2)在非限制性定语从句中，which的先行项还可以是上文整个句子，也可以是指前面句子的一部分。

Bamboo is hollow，which makes it very light．(which指代上文整个句子)

竹子是空的，这就使得它很轻。

He tried to stand on his hands for five minutes，which—as you know—is rather a difficult thing to do．(which指代上文整个句子)

他试图倒立5分钟，这一点正如你们知道的那样，是一件难做的事。

I tried to persuade him into going with his family，which he did not accept．(which指代上文him into going with his family)

我试图说服他跟他的家人一起走，他没有同意。

提示：

作这种用法的which从句还可以作为插入语位于句中。

New Concept English，which is known to all of us，is intended for foreign students．

我们知道，《新概念英语》是为外国学生而编写的。

(3)that也可引导非限制性定语从句，虽然这种用法比较罕见。

Behind the fountain there were glass shelves，and bottles of new kinds of soft drinks，that nobody ever heard of．

喷水池后面有几个玻璃架子和新上市的软饮料，这是人们从未听说过的饮料。

The navy was planning an expedition to the South Pacific Ocean with the purpose of watching a very unusual event，that is the planet Venus passing between the earth and the sun in 1769．(95人教版高三第8页)

海军计划到南太平洋进行考察，目的是为了观察一次不平凡的事件，即金星将于1769年在地球与太阳之间穿过。

I looked at Mary's sad face，that I had once so passionately loved．

我望着玛丽那悲伤的面容，过去我曾一度非常热爱的那副面容。