定语从句 The Attributive Clause

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定语从句3

B. The gas _w_i_th_o_u__t which we can not live is called oxygen. (We can not live without the gas.)
Fill in the blanks using “prep+whom/which”. 1. The book _o_f/_a_b_o_u_t_w__h_ic_h_ I heard
B. This is the tree _u_n_d_e_r_ which we used to play games.
3. Find out the meaning of the clause.
A. The pen _w_i_th_ which he is writing now was bought yesterday. (He is writing with the pen.)
in the rush hour.
A. which
B. in which
C. for which
D. of which
5. His glasses, _____ he could see nothing,
was taken away by a naughty boy.
A. which
B. without which
6. The gun _w_i_th__w__h_ic_h_ he was shot was never found.
Review
“介词+关系代词”引导的定语从句, 关系代词只能用which和whom, 且不能省略。介词主要根据三个方面来选择: 一是先行词与介词的搭配; 二是定语从句中谓语动词或形容词与介词的搭配; 三是根据 “介词+关系代词” 在从句中的作用及意义。

(完整版)定语从句归纳

定语从句（the attributive clause ）一．什么叫定语从句？一个句子作定语就叫定语从句。

二．定语从句的结构及种类1. 结构：关系词 +主语+谓语+其它2. 种类：限制性定语从句和非限制性定语从句三．关系词的分类及关系词1.关系代词： who ，whom, whose, that ,which, as2.关系副词： when ，where ，why四．关系词的功用1.起连接作用，引导定语从句2.在定语从句中作一个成分——主语，宾语，状语，定语，表语。

五．什么是先行词？被定语从句所修饰的词是先行词。

六．关系词的用法1.who当先行词是指人得名词或代词，而且关系词在句中作主语时，选who 。

The boy who is standingover there is Tom.He who doesn ’t reach the Great Wall is not a true man.2.whom当先行词是指人得名词，而且关系词在句中作主语时，选w h o m.This is our English teacher whom everybody likes.3.whose①当先行词是指人的名词，而且关系词在句中作定语时，选whose. This is my deskmate whose father works in a factory.②当先行词是指物的名词，而且关系在句中作定语时，选whose.We study in a classroom whose windows face to the south.4.that①当先行词是指物的名词，关系词在句中作主语时，选that.This is a machine that can walk.②当先行词是指物的名词，关系词在句中作宾语时，选that. 另外，that 可以省略。

I like the present (that) my father sent me.③当先行词是指人的名词，关系词也可选用that=whoThe boy that/who is playing football on the play ground is my brother.5.which当先行词是指物的名词时，关系词也可选用which ，它在句中作主语或宾语，which=that6.下列情况下，关系词只能选用that①当先行词为不定代词something, anything, nothing, everything 时Is there anything that I can do for you?②当先行词为不定代词all 时Mr. Li does all that he can to do his work well.③ 当先行词被 all, some, any 修饰时These are all the things that I have done today.④当先行词被the only, the very 修饰时This is the only computer that he often turns to for help.⑤ 当先行词被序数词，形容词最高级修饰时This is the cleaning room that you can see here.⑥time 作先行词，前面有序数词或last 修饰时This is the last time that I ’ll give y oupocket m o n e y.⑦ 尽管先行词指人，但关系词在句中作表语时。

定语从句the Attributive Clauses

定语从句the Attributive Clauses考点1.关系代词、关系副词的选择2. 介词+关系代词3.限制性定语从句+非限制性定语从句一定语从句的定义定语从句的定义: 在复合句中, 修饰某一名词、代词或整个主句的从句叫做定语从句。

二如何选择正确的关系词1）关系词和关系副词2）考点一关系代词和关系副词的正确选择。

why/which(that)1.This is the reason_________ I was late.2.The reason ___________ he gave me was not true.where/which(that)3.This is the school ______ I used to teach.4.This is the museum __________ I visited last year.when/which5. I still remember the day ______ I first came to the school.6. I still remember the day ________ I first spent with my family at the seaside.小结1.找准从句（谓语+空格)2.分析从句结构：缺________/________/_______/__________, 选择关系________缺__________，选择关系___________/_________+____________3.根据_____________选择最佳的关系代词或关系副词巩固训练A. whyB. whenC. thatD. what1. I will never forget the days ______ we worked with the farmers.2 We should go to the place_____ needs us most.3 I know the reason _____ he was sad.注意事项1只用that 不用which情况（前提是从句中缺主宾表，且先行词是物）1）Do you have anything ______ you don’t understand?2) The only thing _____ we can do is to give you some advice.3) Who is the man _____ is standing there?4) This is the best/first film ______ I have ever seen5) He spoke of the persons and things_______ he had seen abroad.小结●先行词是something, anything, all, nothing等不定代词或先行词被every、any、some等修饰时。

英语语法：定语从句(1)

主语；宾语作宾语可省主语；宾语宾语定语作宾语可省可省不可省
关系代词:
1. who指人,作主语或宾语 (作宾语可省略）
The man who I talked with is our teacher. A person who steals things is called a thief.
限制性定语从句的构成
The old lady who lives next to us sells books. You should do all that I said. I have found the teather whom I am looking for . I visited the factory where my father works. 1.从句位置及语序先行词之后,用陈述式语序 “….的” 关系词
The lady is Green. We saw her yesterday.
Who/that
The lady
we saw her yesterday is Green
关系代词的用法
指代 That Which Who Whom whose 人；物物
人人人、物
所作成分主语；宾语
是否可省略作宾语可省
先行词关系词从句
which、that 是关系代词，它在从句中代替先行词the building，同时担任从句中的主语，也起连词的作用，把两个简单句连接起来。
限制性定语从句与非限制性定语从句 The Restrictive Attributive Clause 限制性定语从句（无逗号）
定语从 The Non-Restrictive Attributive 句 Clause 非限制性定语从句（有逗号）

中考英语一轮复习TheAttributiveClause定语从句教案

The Attributive Clause 定语从句教案课题：定语从句The Attributive Clause一．教学目标本节课之前，学生已经对定语从句有所了解。

本节课列出定语从句的9个基础知识点，要求学生在45分钟之内全部理解并掌握。

(1)语言目标:能用定语从句较自如地描述及谈论人和物。

在活动中训练学生的听力，口头表达能力，培养学生的观察，想象和创造力。

(2)情感目标:促进同学间积极合作交流，发展同学间的友谊。

二．教学内容定语从句基础知识及练习:定语从句是中考考察的语法重点之一，是学生理解长难句及各类文章的基础，因此本节课的内容十分重要。

本人将以讲练结合的方式，是学生掌握定语从句的基础知识。

三．教学设计：相对于阅读、口语、听力等课堂，语法课堂经常是课堂气氛沉闷，学生理解相对困难，效率不佳。

针对这些问题，我创新教学方法，以视听课的形式讲解语法。

即影视语法课。

四．教学方法教学有法，教无定法; 一法为主，多法配合。

1.多媒体教学法贯穿整个授课过程，交际法，情景教学法灵活配合。

2.讲练结合，使学生通过即时练习掌握所学要点。

3.充分利用多媒体教学设备，使用自制PPT课件授课，特点：大容量，高效率等。

4. 双语授课（以学生为本，根据学生实际水平，改变英语授课的方式，使各层次的学生都能理解)。

五．教学重难点：重点：定语从句语法知识点难点：理解与应用。

六．教学过程：1.Who，whom指人, who在从句中作主语或宾语，whom只作宾语, 作宾语时可省略。

例如：The girl (whom ) I called just now is from America. 练习：略2. which 指物, 在句中作主语或宾语, 作宾语时可以省略。

例如： I’m not interested in the book which has just been published. 练习：略3. that 指人或物，在从句中做主语或宾语, 作宾语时可以省略。

语法知识---定语从句(The Attributive Clause)

语法知识---定语从句(The Attributive Clause)1 .But the one million people of the city, who thought of little these events, were asleep as usual that night.2. It was felt in Beijing , which is more than two hundred kilometers away.3. A huge crack that was eight kilometers long and thirty meters wide cut across houses, roads and canals.4. The number of people who were killed or injured reached more than 400,000.Can you figure out the similar laws/rules of these sentences structure?Can you find the similar sentences in para4?1. The army organized teams to dig out those who were trapped and to bury the dead.2. Workers built shelters for survivors whose homes had been destroyed.The team who were wearing green won the game finally. （划分句子成分）一.定语从句及相关概念1、定语从句（The Attributive Clause)：在句中作定语，修饰某一名词或代词(甚至整个主句)的从句。

2、先行词（Antecedent)：引导定语从句的词，并代替先行词在从句中担任一定的成分。

形容词性从句定语从句

第二章定语从句（the attributive clause）关系代、副词用法助记歌诀。

关系词，引定从，各自用法要分清。

That可作主、宾用，指人或物它都行；Which用来指物用，主语、宾语它都行。

Who或whom 指人用，分作主、宾要分清。

Whose一词作定语，定人或物都管用。

As用作主或宾，修饰全局或部分。

Such,the same常连用，固定搭配要记清。

关系副词作状语，功能单一最好用。

指时间，选用when,指地点，where行，why指原因当选中。

关系词，容易用，从句之中定功能。

（注：who在定语从句中既可作主语，也可作宾语（尤其在口语中）。

学习定语从句，首先有必要弄清楚一下几个概念和术语：1、什么事定语从句？在复合句中，修饰某一名词或代词，作定语的从句叫做定语从句。

通俗地讲，在句中作定语的句子就是定语从句。

这个句子不能独立存在，它是用来修饰先行词的，因此，它作为修饰成分而存在。

由于定语从句起的是形容词作用，因此，这种从句也可以称为形容词性从句。

2、限制性定语从句和非限制性定语从句分别是什么意思？英语中的定语从句共有两大类：限制性定语从句和非限制性定语从句。

对先行词起修饰和限制作用的定语从句是限制性定语从句，它是先行词在意义上不可或缺的定语。

如果去掉，主语的意思就不完整或失去意义。

这种从句和主语之间的关系十分密切，在形式上不用逗号和主句隔开。

对先行词起补充或解释说明作用的定语从句是非限制定语从句，它只是先行词的附加成分。

如果去掉，主句的意思仍然完整、清楚。

这种从句和主句之间的关系不密切，在形式上常用逗号和主句隔开。

3、什么事先行词？被定语从句修饰的名词或代词，就叫先行词。

定语从句是用来修饰先行词的，但不像汉语中的定语总是放在被修饰词之前，定语从句要放在先行词之后，作后置定语。

一个句子中如果出现了定语从句，肯定有先行词。

没有哈姆雷特的《王子复仇记》是不存在的!有时候，定语从句没有紧紧跟在先行词之后，而是被其他成分与先行词隔开了，这是定语从句与先行词的分离现象。

The Attributive Clause(定语从句 1)

• 2）被the only, the very, the same, the last等修饰时； • e.g. It is the only thing that we can do.
• 3）是或被序数词the first /second /third…所修饰时； • e.g. This is the first place that I want to visit.
things & people
Introducing people
Guo Jingjing married the young man ________ has a big and wealthy family. who He was the man _______________ whom/who/-Lin Daiyu fell in love with. 先行词指人时，定语从句由关系代 who The teachers __________teach ourwhose all class are 词_______ 或_______ _______引 whom who experienced teachers.
• 1）不定代词all, everything, anything, nothing, something, much, little, few, none, the one等时 • e.g. You can take any seat that is free. • We should do all that is useful to the people.
定语从句
1. 先行词：定语从句所修饰的名词或代词。 2. 引导词：引导定语从句，同时代替先行词，在从句中做成分分为：关系代词和关系副词

定语从句语法知识点

The Attributive clause（定语从句）一：关系词1.关系代词:who, whose, whom, which , that2.关系副词:where , when and why当先行词是____：that/who_______________________whom_______________________当先行词是____：that/which___________________所有格whose +n. = the +n.+of + whom/which实战演练：1 He _____ does not reach the Great Wall is not a true man.2 You are the person______ advice he might accept.3.This is the dictionary _______ cover is red.4 I have many friends ________I am going to visit.5 Can you lend me the pen________ you bought yesterday.6.This activity __________ was organized by the Student Union is very meaningful.二：当先行词是物，以下情况只用that 不用which1.当先行词是不定代词时：all, everything, nothing, anything，引导词用that不用which2.当先行词被最高级，序数词，the very, the only, all, little 所修饰时，用that 不用which3.当先行词既有人又有物，用that4.在疑问词who、which开头的句子中时.1.He did all / everything _______he could to help me.2.This is the first thing _______ I want to say.3.He is the finest man _______ I have ever worked with.4. I have read all the books ______you gave me.5.We talked about the men and the things _______ we remembered at school.6.Who is the man _______ spoke to you at the gate.7.Which is the star _______ is nearest to the earth.8.He did everything ______ he could for me.9.The teacher tried his best to teach his students all_____ he had learned in his life.10.This is the most moving film ______ I had ever seen.11.T found the very pen ____ I lost yesterday.12.This is the first play _______ I have seen since I came here.13.The only thing _____ you want to say is money.14. He talked some people and some things ______he saw in the countryside.15. Who is the person ________is talking with Mr. White?三：只用which不用that 的情况：用逗号隔开的非限制性定语从句中；which 可以指代前面整个句子，“这一点”，也可以指代前面一个先行词。

定语从句Grammar The Attributive Clause

GrammarThe Attributive ClauseIdiom today God helps those who help themselves.StepⅠ. Revision1.What is the Attributive Clause?在复合句中，修饰名词或代词的从句叫定语从句。

2·被定语从句限定的词是______, 引导定语从句的词叫做________ 。

3.关系词有三大作用，即连接（连接定语从句和主句）、替代（替代前面先行词）、成分（在定语从句中要充当一定的句子成分）。

4．关系代词包括___ ___ ___ ___ ___ ___，使用口诀是：_____ ，_____ ；_____ ，_____。

关系副词包括___ ___ ___。

Exercise把下列简单句合并成定语从句1.The boy is my brother.He wears a red coat.2.I have a cat. The cat is called Kitty.3.The subject is English. I like it very much.4.Nobody wants the house. Its roof is broken.Don’t forget the things that once you owned（拥有）. Treasure（珍惜）the things that you can’t get. Don‘t give up the things that belong to you(属于) and keep those lost things in memory.Please underline the attributive clauses and translate them._____________________________________________________________________ _关系代词that 和which 在很多情况下可以互换，但哪些情况只能用that ?A.All______can be done has been done.先行词(指物)本身是不定代词或先行词被不定代词修饰.B.Do you know the persons and the things I learned?先行词兼有指人和指物的名词C.This is the very book he is looking for.先行词(指物)被the very /only/ next/ last 等修饰D. This is the best TV is made in China.先行词(指物)被形容词最高级和序数词修饰E. Who you have ever seen can do it better ?当主句是which/who引导的特殊疑问句F.He is no longer the naughty boy he was inthe past. 先行词在句中作表语有哪些情况关系代词不用that ，而用which ?(1)关系代词置于介词之后，指物，作宾语The factory in ____ I once worked broke down(破产)last week.(2)先行词是整句话The boy didn’t come, made her angry.(3)非限制性定语从句，先行词是物Beijing, is the capital of China,is beautiful.１．(09山东卷）Whenever I met her ,___was fairly often,she greetedme with a sweet smile.A . WhoB . WhichC . WhenD . That ２．(09年全国卷2）My friend showed me around the town,___ wasvery kind of her.A . WhichB . ThatC . WhereD . It3 ．My uncle has come back from abroad,______ I haven’t met for along time.A . whomB . whichC . thatD . whose1、在非限制性定语从句中，指事物用which，指人用who或whom，其中who 既可作主语也可作宾语而whom只能作宾语。

定语从句The Attributive Clause(关系从句)《00013》

在复合句中，修饰某一名词或代词的从句叫做定语从句。

如：You said you couldn’t understand people who talked fast.I like music that I can dance to.上面两句中的people和music是定语从句所修饰的词，叫先行词，定语从句放在先行词的后面。

引导定语从句的词有关系代词that, which, who(宾格whom, 所有格whose)和关系副词where, when。

关系代词或关系副词放在先行词和定语从句之间，起联系作用，同时又作定语从句的一个成分。

OVER●关系代词that, which, who, whom, whose引导的定语从句that 在从句中作主语或宾语A plane is a machine that can fly. (that 在从句中作主语)The noodles (that) I cooked were delicious. (作宾语)Who is the man that is reading a book over there? (作主语)Tell your partner about things that are the same and different between you and a member of your family or a friend.The girl (that) we saw yesterday was Jim’s sister. (作宾语)*She lives in a house that she built herself out of trash. (作宾语)The lessons that he taught were not easily forgotten. (他所教的课不易被忘记。

)Everywhere that Mary goes, the lamb is sure to go. (儿歌歌词)which在从句中作主语或宾语They planted some trees which didn’t need much water. (作主语) The fish (which) we bought this morning were not fresh. (作宾语)who, whom在从句中分别作主语或宾语The foreigner who visited our class yesterday is from Canada. (作主语)The boy who broke the window is called Tom. (作主语)（应该可以改为The person whom (whom这里应该可以省略) you you just talked to is Mr. Li.）Mrs Read is the person to whom you should write. (作宾语)(=Mrs Read is the person whom(whom这里应该可以省略) you should write to.)whose和它所修饰的名词在定语从句中可作主语及动词或介词的宾语用作名词的限定语；whose引导的定语从句既可为限制性的，也可为非限制性的。

attributive clause(定语从句)

as与which在引导非限制定语从句中的区别：
3. 如果关系代词在定语从句中作宾语，则as与 which 两者皆可。如： He won the game, as / which we had expected. 4.如果关系代词在定语从句中作主语，一般用 which。 E.g. My father came back safely, which delighted us.
as与which在引导非限制定语从句中的区别
1. ______ he later admitted, it was a stupid thing to do. A. Which B. As 2. It was, ______ he later admitted, a stupid thing to do. A. which B. as 3. It was a stupid thing to do, ______ he later admitted. A. which B. as
5．主句是以who, which或what开头的特殊疑问句时，用that引导定语从句。 E.g. Who is the lady that is waiting at the school gate? 6. 关系代词在定语从句中作表语时。如：He is no longer the simpleminded man that he was five years ago.
非限制性定语从句（ Non-defining Attributive Clauses ）
Relative Pronouns: who, whom, whose→ “people” which, whose→ “things” as, Relative Adverbs: when, where,

定语从句总结经典例句

When (on / in / during)
Where (in / at which)
why (for which)
地点状语
地点名词
原因状语
指代原因
关系代词:
1. who指人, 作主语、宾语和表语 (作宾语可省略） You can’t wake up a person who is pretending to be asleep. I like musicians who play different kinds of music. The man who you met just now is my uncle. 2. whom指人,作宾语 (作宾语可省略,如介词提前则不能省) The man (whom/who) I talked to is Mr. Li. The man to whom I talked is Mr. Li. 3. Who / whom 作表语 John is no longer the boy who he used to be.
关系代词 that
在句子中的作用
指代作用指人或指物
指人（可与 that 互换）指人指人或指物
主语、宾语或表语
主语、宾语（口语或非正式文体）或表语宾语（动宾或介宾）定语
who
whom whose
which
主语或宾语
指物（有时可与that 互换）
关系副词
在句子中的作用时间状语
指代（代替功能）时间名词
2〉当先行词为不定代词时，如：anything， all，no, some, every, everything， nothing， none，much， little等词时，只用that，不用which

高中英语BOOK1U4人教版课件Grammar---the attributive clauses 定语从句

Grammar---the attributive clauses 定语从句定语：修饰名词或代词的成分找出下列句子中的定语Some people saw bright lights in the sky. (Line 5)The railway tracks were now useless pieces of steel. (Line 22) 定语从句：修饰名词或代词的从句This is the car which he bought last year . 定义: 在复合句中充当定语的从句叫定语从句. 作用: 相当于定语,用来修饰某一名词,代词或整个主句. Eg1. Jackie Chan is an actor. He has played roles in many films. Jackie Chan is an actor ________ has played roles in many films.Eg.2 Zhai Zhigang is the first astronaut in China. He took the spacewalk. Zhai Zhigang is the first astronaut inChina_______took the spacewalk. Eg.3 Qian Xuesen is the “father of space technology ”. He died on October 31, 2009, at the age of 98. Rule 1.who/that 指人,在从句中做主语Eg.4 Do you know the man? We saw him at Tianyi Square. Do you know the man________we saw at TianyiSqure? Eg.5 The man is our teacher. I talked with him yesterday. The man______I talked with is our teacher. Rule 2. whom/who/that 指人, 在从句中作宾语, 可省略。

定语从句 [公开课]

whose --I sat next to a girl(whose name was ) Diana. whose = girl’s --I have an English book(whose price is high.) whose= book’s whose = 先行词’s
⑥ I sat next to a girl whose name was Diana. ⑦ I have an English book whose price is high.
定语从句
The Attributive Clause
定语:用来修饰名词或代词
1. He is a boy. 2. He is a clever boy.
形容词
介词短语 3. He is a boy with glasses.
4. He is the boy who wears glasses. 一个从句
(1)先找先行词，辨清人和物三步定 (2)确定关系词在从句中的成分位法： (3)选定关系词
Page. 9
Find out the attributive clauses in this article.
和
用法的区别
1. 先行词指物，只能用that不用 which的情况 1)先行词为all, everything, nothing, something, anything, little, much 等不定代词时。 eg. I am sure she has something (that)you can borrow.
• 注意： • 1. 关系代词在定语从句中作宾语时, 关系代词可以省略。 • 2. 关系副词只作状语。 • 3. 定语从句中若缺少成分, 关系词则选用关系代词; 若定语从句成分完整, 则选用关系副词

高中定语从句

2. 由介词结构／形容词／-ing 结构／-ed结构／to do结构／句子来充当
定语
1. 用来修饰某个名词或代词的成分 2. 可以放在名词之前；也可以放在名词或代词之后 3. 在翻译时通常带有一个“的”
定语从句
定语从句
1. 当定语成分由一个句子来充当时，这个句子就叫定语从句，即用一个句子去修饰另一个句子中的某个名词或代词
8. The train _w__h_ic_h__/_t_h_a_t_ was going to Guangdong was late. 9. The book _(_w_h_i_c_h_/__th_a_t_)_ he is reading is very interesting. 10. They’ll never forget the days _(w__h_ic_h__/_t_h_a_t)_ they spent in the countryside. 11. They’ll never forget the days ____w__h_e_n_____ they studied together.
He passed the exam, which surprised everyone in our class.
when, where, why 引导的定语从句
初步感知－P37 Exercise 2
1. The mines where I worked were 9 km from my home.
2. The reason why I got a job was because of my hard work.
3. The time when I joined the ANC was the 5th of August. 4. The government building where we voted was very tall. 5. The date when I arrived was late at night.

2023年中考英语复习The Attributive Clause 定语从句

The Attributive Clause（定语从句）一. 定语：定语是用来描述名词或代词的修饰语（修饰名词或代词），分为前置定语和和后置定语两种。

定语可以由形容词，代词，数词，名词，分词，不定式，介词短语等来担任。

eg: It is a difficult problem.（形容词做前置定语）We should follow the doctor’s advice.(名词的所有格做前置定语)She cut the cake into two pieces.（数词做前置定语）I’ve got something interesting to tell you.（形容词做后置定语）The books on the top shelf were just bought.（介词短语做后置定语）Let’s try another way to do this.（动词不定做后置定语）二. 定语从句：在复合句中起定语作用的句子称为定语从句，定语从句可用来修饰名词，代词和整个句子。

被定语从句修饰的部分称为先行词，引导定语从句的词称为关系代词。

三. 结构：先行词+关系代词引导的从句eg: The girl who is behind the tree is kate.He is a boy who likes beautiful girls.Exercise:请指出下列句子中的先行词以及其定语从句1.This is a dog which likes eating meat.2.I know the boy whom teachers all like.3.Xi’an is a good place where there are many delicious foods.4.Can you tell me the reason why he quit school?三.关系词：关系词分为关系代词和关系副词，关系代词有who、whom、whose、which、that.关系副词有where，when，why.关系词的作用：1.引导定语从句2.代替先行词3.在从句中充当成He is a boy whom beautiful girls like.关系代词先行词关系代词在从句中充当的成分that人/物主语/宾语who人主语/宾语whom人宾语whose人/物定语（谁的，什么的）which物主语/宾语eg: 1. He is the student that likes reading.2. He is a soldier whose eyes are blue.3. I like the girl who has long hair.4. The fish which is swimming in the pool will be our dinner.5. The book whose cover is red is yours.Exercise:1.I don’t like the boy name is Tom.2.The girl is reading books is my sister.3.The old man they are talking about is our Math teacher.4.The fish body is red is from Africa.关系副词的用法：关系副词在定语从句中做状语关系副词先行词在从句中充当的成分where表示地点的名词地点状语When表示时间的名词时间状语why Reason原因状语eg: 1. I remember the school where we spent 3 years.2. Do you still remember these days when we were students.3. Can you tell me the reason why he leaves me.关系代词与关系副词的选择：（1）判断定语从句是使用关系代词还是关系副词，关键在于去掉要填的关系词后，如果从句依然完整，则使用关键副词，如缺少主语或宾语而使的句子不完整，则使用关键代词。