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近几年来，定语从句考点在中考试题中所占比率越来越高，然而有很多学生在学习这一语言知识时感到十分吃力，也有部分教师觉得定语从句教学非常头疼，收效甚微。为了有效突破这一重难点，本人在多年的教学实践中积累了不少巧学、乐教的经验，探索了一些切实可行、灵活多样的教学方法，现将定语从句教学中有关的注意事项简要概述如下：
一、“一关”两个基本
关系代词that、who、 whom、 whose、 which在定语从句中所指对像是人（物），在从句中作主语、宾语、介词定语或定语，也叫限定性定语从句，定语从句须放在关系词之后，其结构为：先行词（主句）＋关系词＋从句。
指代对象人物 人＋物 是否省略
主格 who/that which/thatthat 不
宾格 who/whom／that which/thatthat 可省
所有格 whose whose／of which不
1.who、whom 基本指人。
Eg.The man who/that spoke at the meeting yesterday is a famous scientist.（作主语不省）
The famous singer（who/whom/that）he met last weekend is Han Hong.（作宾语可省）
2. that 基本指物，有时也指人，在定语从句中作主语或宾语。指物时，其用法和which相似。
I’ve read the complete newsletter/essay that/which he wrote last month.
我看过了他上周写的那篇完整的实时通讯。（先行词指物作宾语）
Do you know who is the girl that got the first prize in the English Olympic Competition last month in our class?你知道我们班上月获得英语奥林匹克竞赛冠军的那个姑娘是谁吗？
二、“二关”六大聚焦（先行词指人作主语）
that 和which 都指物时常通用，但在下列情况下用that 不用which。
聚焦一：先行词为all、few、much、none、the one、everything、something、anything、little、somebody、anybody、nobody、no one、someone、each等不定代词时。
Eg. All that we have to do is to practice speaking English in and out of class.
聚焦二：现行词被序数词 first、second和 the only、the very、the sane、the last 等词修饰时及含形容词最高级时。
Eg.He was the only student that got full marks in the end exam in our class.
聚焦三：先行詞既有人又有物时。
They spoke highly of the teachers and schools that they had visited.
聚焦四：介词＋whom引导的定语从句中，whom不用who或that替代。
Eg. I wonder the headmaster whom you talked to just now.
聚焦五：在定语从句中，有that 引导的从句有介词或副词，将介词或副词提到关系代词或副词前面。用which，不用that。
Eg.This is the question about which we have had so much discussion.
聚焦六：含有两个定语从句时，其中一个关系词已用，另一个则用that。
Eg. Edison built up the factory which produced the things that had never seen before.
三、“三关”四个突破
对于when、where、why作关系副词引导的定语从句：
突破一：when代替at/in/on/during which在从句中做时间状语。
Eg.Tell me time when/at which the train leaves.
突破二：where代替at/in/to which在从句中作地点状语。
Eg. What’s the name of the town where（in which） we stayed last week？
突破三：where有时作关系副词，常用在from where等“介词短语＋从句”中。
Eg.His head soon appeared out of the window from where（=from which），he could see nothing beautiful but cenery.
突破四：why代替for which引导从句用作reason的宾语。
Eg.I don’t know the reason why（=for which） she failed the chemistry exam.
在口语中，why可用that代替或省略。
That’s the reason why/that she wanted to buy the souvenir for her cousin.
一、“一关”两个基本
关系代词that、who、 whom、 whose、 which在定语从句中所指对像是人（物），在从句中作主语、宾语、介词定语或定语，也叫限定性定语从句，定语从句须放在关系词之后，其结构为：先行词（主句）＋关系词＋从句。
指代对象人物 人＋物 是否省略
主格 who/that which/thatthat 不
宾格 who/whom／that which/thatthat 可省
所有格 whose whose／of which不
1.who、whom 基本指人。
Eg.The man who/that spoke at the meeting yesterday is a famous scientist.（作主语不省）
The famous singer（who/whom/that）he met last weekend is Han Hong.（作宾语可省）
2. that 基本指物，有时也指人，在定语从句中作主语或宾语。指物时，其用法和which相似。
I’ve read the complete newsletter/essay that/which he wrote last month.
我看过了他上周写的那篇完整的实时通讯。（先行词指物作宾语）
Do you know who is the girl that got the first prize in the English Olympic Competition last month in our class?你知道我们班上月获得英语奥林匹克竞赛冠军的那个姑娘是谁吗？
二、“二关”六大聚焦（先行词指人作主语）
that 和which 都指物时常通用，但在下列情况下用that 不用which。
聚焦一：先行词为all、few、much、none、the one、everything、something、anything、little、somebody、anybody、nobody、no one、someone、each等不定代词时。
Eg. All that we have to do is to practice speaking English in and out of class.
聚焦二：现行词被序数词 first、second和 the only、the very、the sane、the last 等词修饰时及含形容词最高级时。
Eg.He was the only student that got full marks in the end exam in our class.
聚焦三：先行詞既有人又有物时。
They spoke highly of the teachers and schools that they had visited.
聚焦四：介词＋whom引导的定语从句中，whom不用who或that替代。
Eg. I wonder the headmaster whom you talked to just now.
聚焦五：在定语从句中，有that 引导的从句有介词或副词，将介词或副词提到关系代词或副词前面。用which，不用that。
Eg.This is the question about which we have had so much discussion.
聚焦六：含有两个定语从句时，其中一个关系词已用，另一个则用that。
Eg. Edison built up the factory which produced the things that had never seen before.
三、“三关”四个突破
对于when、where、why作关系副词引导的定语从句：
突破一：when代替at/in/on/during which在从句中做时间状语。
Eg.Tell me time when/at which the train leaves.
突破二：where代替at/in/to which在从句中作地点状语。
Eg. What’s the name of the town where（in which） we stayed last week？
突破三：where有时作关系副词，常用在from where等“介词短语＋从句”中。
Eg.His head soon appeared out of the window from where（=from which），he could see nothing beautiful but cenery.
突破四：why代替for which引导从句用作reason的宾语。
Eg.I don’t know the reason why（=for which） she failed the chemistry exam.
在口语中，why可用that代替或省略。
That’s the reason why/that she wanted to buy the souvenir for her cousin.