定语从句的引导词有很多，但最常用的可能就是which和that，它们两者在引导定语从句时有哪些规则？

那今天小编就帮大家总结了定语从句中用which不用that引导定语从句的三种情况，供大家阅读。

①非限制性定语从句用which，不用that引导。

如： Football，which is a very interesting game，is played all over the world．

He changed his mind, which made me angry. 

She is an artist，which I am not. 

②先行词为that时，为了避免重 复，定语从句用which不用that引导。

如： That which you borrowed from me wasn't a real diamond necklace．

Let me show you the novel that I borrowed from the library which was newly open to us. 

③介词后用which不用that引导。

如： The method with which you solved the problem is very good．

This is the one of which I'm speaking./This is the one I'm speaking of.

Bejing is the place in which i was born. 

定语从句是高中阶段的难点，大家要记住以上的语法规则，并且需要通过以后的练习来逐渐透彻掌握。希望大家可以用心钻研学习。