定语从句讲解|定语从句的知识点总结( 二 )

2. 根据从句效用分类2.1 限定性定语从句
2.1.1 特点
从句对被修饰的先行词有限定制约作用，使该词的含义更具体，更明确。
不能被省略，否则句意就不完整
大部分定语从句都是限定性的
2.2.2 例句

This is the boy you are looking for.
I lost my heart in the girl in which I fall in love last time.
She was the girl whom/that I saw in the restaurant.
Here is somebody who wants to speak to you.
2.2 非限定性定语从句
2.2.1 特点
解释说明作用
从句被省略后，句意完整
2.2.2 例句
I like singing for the very reason that(for which) she dislikes it. 我喜欢唱歌，基于同样的原因，她不喜欢。
He has a brother who works in Google. 他有个在谷歌工作的兄弟。（我们不知道他有几个兄弟，但是肯定有一个在谷歌工作，补充说明）
His wife, who loved him very much, went to see him. 他的妻子，爱他至深，赶过去看他。
An loquat tree in the yard, which I planted in the year my wife百思特网 died, is like a canopy now. 庭有枇杷树,吾妻死之年所手植也,今已亭亭如盖矣