定语从句是高考语法填空必考的一个内容，也是高考很多考生的一个难点。可以说掌握好了定语从句的基础知识以及对应的考试技巧，至少会给您的英语多增加5分。从这个目的出发，我总结了从2009-2015广东历年高考中考到的定语从句知识，并对此给大家提供一个比较明确的复习方向。
一、定语从句的历年考点
在2009-2015年广东高考中，一共涉及到的定语从句知识点有这些：
关系副词where考察3次。
关系代词that/who 考察2次。
介词+关系代词考察1次。
非限制性定语从句which 考察1次。
从这些知识点可以看出，定语从句在高考中涉及到关系代词，关系副词，介词+关系代词，以及先行词为一句话的知识点。
二、掌握重点考点，逐个击破
1.that:限制性定从中，先行词指人或物在定语从句中作主语或宾语
考题：
She is the most beautiful girl______ I have ever seen.
2. who: 非限制性定从中，先行词指人，作主语或宾语。
考题：
Nick’s guests,_________ had heard their conversation, asked why they should not buy salt more cheaply if they could.
3.横线前有介词to, in, on, with, of 等,如先行词指人,用whom; 先行词指物,用which.
考题：
Behind him were other people to_______ he was trying to talk, but after some
minutes they walked away and sat near me, looking annoyed.(2011广东)
4.whose：横线后是名词，先行词放到定从去需加’s
考题：
The boy, _______legs were badly hurt, were quickly taken to the hospital.
5.which：非限制性定从中，先行词作主语或宾语；或是先行词为一句话。
考题：
You can find whatever you need at the shopping centre, ______ is always busy at the weekend.
6.先行词放到定从中时，需加介词，作状语，就需要用关系副词where,when,why
考题：
when harvest came around, he was already selling herbs, vegetables and cotton in the market_______ people from the town met regularly.
三、定语从句在语法填空中中的考点
1.主句（最有有定语从句）+ 定语从句
考题：
Jane paused in front of a counter _______ some attractive ties were on display.(2009广东)
2.主语+定语从句+谓语+其它成分
考题：
Nick’s guests,_________ had heard their conversation, asked why they should not buy sale more cheaply if they could.（2013广东高考）
四、视频讲解
针对上面的内容，我制作了一集讲解视频，希望大家能通过视频更好的理解。
