高三定语从句3案
高三英语课件： 英语定语从句3
Where is the man that / whom I saw this morning?
The person that /whom you introduced to me is very kind.
The season that / which comes after spring is summer.
4．that 指人时，相当于 who 或 whom；指物时，相当于 which。在定语从句中作主语 或宾语，作宾语时常可省略。
The number of people that / who come to visit this city each year reaches one million.
Yesterday I received a letter that / which came from Australia.
5. whose 通常指人，也可指物， 在定语从句中做定语。
I visited a scientist whose name is known all over the country.
The manager whose company I work in pays much attention to improving our working conditions.
The manager in whose company I work pays much attention to improving our working conditions.
He has a friend whose father is a doctor.
I once lived in the house whose roof has fallen in.
高三定语从句知识点总结
高三定语从句知识点总结高三学生在英语学习中，定语从句是一个相对复杂的语法点。
准确理解和掌握定语从句的用法和结构对于正确运用此类句型至关重要。
本文将对高中阶段常见的定语从句知识点进行总结，旨在帮助同学们更好地学习和运用定语从句。
一、定语从句的定义与作用定语从句是包含在主句中的一个从句，用来修饰主句中的名词或代词，起到进一步限定、说明、描绘其特征或属性的作用。
二、定语从句的引导词常见的引导词有关系代词和关系副词。
关系代词包括that, which, who, whom, whose等；关系副词包括when, where, why等。
三、定语从句的结构和用法1. 关系代词引导的定语从句，在定语从句中充当句子成分。
例如：The book that/which I bought yesterday is very interesting.我昨天买的那本书很有趣。
2. 关系代词和关系副词的选择取决于其在定语从句中所充当的角色。
例如：John is the boy who/that won the prize.约翰是那个获得奖金的男孩。
3. 定语从句中的关系代词或关系副词可省略。
例如：This is the house (which/that) I used to live in.这是我曾经住过的房子。
4. 关系代词whose用于表示所属关系，修饰物或人。
例如：Peter is the boy whose father is a doctor.彼得是个父亲是医生的男孩。
5. 关系副词when, where, why引导的定语从句分别表示时间、地点和原因。
例如：I still remember the day when we first met.我仍然记得我们第一次见面的那一天。
四、特殊情况下的定语从句1. 在非限制性定语从句中，通常用逗号将其与主句分开。
例如：My brother, who is a teacher, lives in Beijing.我的哥哥是个老师，住在北京。
高三英语(课标全国卷)名词性从句和定语从句
高三英语（课标全国卷）名词性从句和定语从句1. 掌握名词性从句连接词的基本用法。
2. 掌握名词性从句时态照应的基本用法。
3. 掌握定语从句关系代词的基本用法。
4. 掌握定语从句关系副词的基本用法。
一、名词性从句名词性从句是一种具有名词功能的非独立分句。
名词性从句包括主语从句、宾语从句、表语从句、同位语从句。
引导名词性从句的引导词有：1)连接代词:what(ever),who(ever)，whom(ever),which(ever)，whose。
作主语、宾语表语、定语。
2)连接副词:when，where, how, why。
作状语、表语。
3)从属连词:that，whether，if不作成分。
（一）that引导的名词性从句1. 引导主语从句1) It is/was+形容词/名词/过去分词+that从句。
It is certain that our team will win the game.我们队一定会赢得比赛。
It is no wonder that our team won the game.我们队赢了那场比赛并不足为奇2)It+不及物动词+that从句。
It never occurred to me that you could succeed in persuading him to change his mind.我没想到你能成功说服他改变主意。
2. 引导宾语从句1)放在及物动词、形容词或介词之后引导宾语从句。
I truly believe that beauty comes from within.我真的相信美来自内心。
I am afraid that you're mistaken.恐怕你弄错了。
He is a good student except that he is a little bit careless. 他是个好学生，就是有点儿粗心。
2)及物动词+it+宾补+that从句。
高三英语一轮复习定语从句学案
高三英语一轮复习定语从句学案语法学案高三英语备课组高考定语从句复习学案一,概念:在复合句中～修饰某一_________或_________的从句～叫定语从句1. _______词:定语从句所修饰的词2. 引导词:(1) 关系______词: who, whom, whose, which, that, as(2) 关系______词: where, when, why 3. 关系词常有3个作用:?引导定语从句 ?代替先行词。
?在定语从句中担当一个________。
4. 关系代词作主语、宾语、表语或定语,whose,～作_______时可省略,关系副词作状语～一般不省略二,定语从句的种类定语从句可分为两类:________定语从句和__________定语从句限制性定语从句和主句之间不用逗号分开～修饰主句中的某一个名词或名词词组或代词,非限制性定语从句常用逗号和主句隔开～可以修饰主句中的某一个词～也可修饰整个句子。
非限制性定语从句不能用______引导～引导非限制性定语从句的关系词不能省略。
把下列句子翻译成中文:His mother, who loves him very much, is strict with him._____________________________China is a country which has a long history.________________________________________三,定语从句的热门考点1. 定语从句关系词的选用,详见表格,,2. 只能that或which的情况,3. which和as的区别,4. whose 用法及转换形式,5. 介词+关系代词中介词的选用及位臵(介词短语和动词短语),6. 定语从句中的特殊情况。
四,关系代词和关系副词的作用正确选择关系词是掌握定语从句的关键。
关系词的选择完全取决于关系词在定语从句中所充当的句子成分。
定语从句教案
一、教案背景1，面向学生：高中学科：英语2，课时：13，学生课前准备：本课时为高三英语第一轮复习—-定语从句综合复习课，学生已经对定语从句基础知识进行复习。
4，运行环境：Windows7二、教学课题高三英语第一轮复习—-定语从句复习Revision of the Attributive Clause（1）着重帮助学生理解和巩固定语从句的重点和难点（2）考点:1.that与which 2.对the way的考查3.介词+关系词（3）难点:4as的使用5.对where的考查6.综合考查。
（4）运用一些口诀，选用了一部分高考题，对比练习，易错题和综合题考查和巩固学生对定语从句的掌握。
三、教材分析学生在上一课时中复习了名词性从句，本课时将重点复习定语从句。
定语从句知识点繁多，也是学生解题过程中较易出错的地方。
由浅入深，由点及面，帮助学生理解和巩固定语从句的重点和难点，四、教学方法在教学设计中采用以学生为主体、任务型教学主线，合作教学为原则，以多媒体为教学手段，利用小组合作，小组竞赛，突出语言的交际性，重视实用性，重视个体差异，采取多角度的评价方式，让全体学生以积极的态度参与教学中，从而提高英语的实际运用能力。
自然导入，层层递进。
注重将知识与能力过程与方法和情感态度与价值观三维目标相统，及时对学生的学习进行评价和激励。
五．教学过程Teaching Procedures:Step 1 GreetingsGreet students.Step 2 Review of the noun clause播放课件，通过名词性从句口诀和相应的习题简单复习上节课内容。
Step 3 Revision of the Attributive Clause(播放课件)带领学生一起回顾定语从句的口诀“一找二代三组四看五选”（T: Do you remember the five procedures? 一找先行词，二带入句中，三组成句子，四看先行词在句中的所做的成分，五选择）基础知识回顾: 关系词及其意义归纳总结:指代人who, whom , that，as指代事物which , that,as 关系代词指所属关系whose指地点where指时间when 关系副词why( 这部分学生通过小组合作，总结关系副词和关系代词T:在“三组”“四看”中，要注意关系代词在定语从句中作主语，宾语，表语，定语；关系副词在定语从中作状语)Practice：1. The teachers who/that are present at our class are all experienced teachers.2. Our class is a big family which/that consists of 14 girls and 50 boys.3. Lu Ting is the girl whose English study is very good in our class.4. The school where we are studying is very famous.5. As we all know, the 2008 Olympic Games will be held in Beijing.1.that与which1) Do you have anything __that____ you don’t unders tand?2) The only thing _that____ we can do is to give you some advice.3) Who is the man _that____ is standing there?4) Her bag, in _which__ she put all her money, has been stolen.5) She heard a terrible noise，which brought her heart into her mouth. (通过练习唤起学生对特殊用法规则的记忆，可以通过小组竞赛的形式总结回忆)只使用that应遵循的规则①先行词是everything, nothing, anything, something, much, little, none 等不定代词或由不定代词any, some, no, much, few, little, every, all等修饰时, 引导定语从句用that。
高三英语 定语从句 知识精讲 冀教版
高三英语定语从句知识精讲冀教版【本讲教育信息】一. 教学内容：定语从句［学习过程］同学们在定语从句的复习中应该注意以下要点：〔一〕关系代词that和which 使用时应注意的几点1. 在如下情况下只用that，不用which①先行词是all, everything, nothing, anything, little, much, the one等不定代词时There is nothing ( that ) I can do.I mean the one that was brought yesterday.②先行词被all, any, every, no, some, little, much等词修饰时I have read all the books (that) you gave me.You may take home any of these books that you like.③先行词被序数词或形容词最高级修饰时This is the first composition (that)he has written in English.This is the best novel (that) I have ever read.④先行词被the only, the very(正是,恰是), the same, the last修饰时The white flower is the only one ( that) I really like.This is the very book (that) I want to find.The last place( that) we visited was the hospital.This is the same watch that I lost yesterday.⑤当先行词有两个或两个以上时,既有人又有物,定语从句用that 引导(that既可指人也可指物)He talked about the teachers and schools that he had visited.2. 如下情况不能使用that,而用which①that 不能引导非限制性定语从句Football, which is a very interesting game, is played all over the world.②that不能置于介词之后〔介词后指物用which,指人用whom〕The person to whom I am speaking just now is our English teacher.The prize for which he worked so hard was a new bicycle.〔二〕as 作关系代词的用法1. 关系代词常出现在the same…as, such…as, so…as, as…as 等结构中This is not such a book as I expected.I live in the same building as he (lives in).Here is so big a stone as no man can lift.As many children as came here were my father’s pupils.★the same…that…和the same…as…的区别I have bought the same watch as you have.我买了一块和你一样的手表。
高中英语 高三上学期英语写作中妙用定语从句(含答案)
英语写作中妙用定语从句定语从句的正确使用能够比较明显地反映出考生对于语言具有较高的掌握能力，所以建议同学们一定要在写作中至少使用一个恰到好处的定语从句。
一、定语从句的类型1．关系代词引导的定语从句关系代词who, whom, whose, that, which, as引导的定语从句是写作的一大重点，尤其是which和as引导的非限制性定语从句在高考范文中更是屡见不鲜。
①In addition to my English abilities, I am a friendly person who is easy to get on with.除了我的英语能力，我是一个友好的人，很容易相处。
②(2018·北京高考书面表达)Last week, we took the foreign students to experience theauthentic tea culture, which turned out to be extremely rewarding.上周，我们带领外国学生体验了正宗的茶文化，结果证明非常值得。
③(2019·北京高考书面表达)As you see, the students in our school are always hard-working.如你所见，我们学校的学生总是很勤劳。
2．关系副词引导的定语从句关系副词引导的定语从句是指when, where, why引导的定语从句。
①(2018·北京高考书面表达)Its Chinese Literature major is perfect for you where you canbe completely soaked in Chinese profound history and rich culture.它的中国文学专业对你来说是适合的，在那儿你可以完全沉浸在中国深厚的历史和丰富的文化中。
高中英语_高三定语从句专题复习教学设计学情分析教材分析课后反思
教学设计教学重点Get the students to go over and master the Attributive Clause introduced by that, which, who and whose.教学难点Enable the students learn how to use that, which, who and whose correctly.教学方法1. Multimedia-aided English teaching2. Cooperative learning and practice教具准备Multimedia- and other normal teaching tools三维目标Knowledge aims:1. Get the students to learn the Attributive Clause introduced by that, which, who and whose.2. Let the students learn different usages of that, which, who and whose.Ability aims:1. Enable the students to use attributive clauses to describe things and persons.2. Enable the students to know how to choose correct relative pronouns for attributive clauses.Emotional aims:1. Get the students to become interested in grammar learning.2. Develop the students’ sense of group cooperation.教学过程Step 1 leading inThat’s Why You Go AwayMichael Learns to RockBaby wont you tell me why there is sadness in your eyesI don’t wanna say goodbye to youLove is one big illusion（错觉，幻想） (which/that)I should try to forget but there is something left in my headYou’re the one who set it upnow you’re the one to make it stopI’m the one who’s feeling lost right nowNow you want me to forget every little thing(that) you saidbut there is something left in my headChorus:I won’t forget the way (in which/that)you’re kissingThe feelings so strong were lasting for so longBut I’m not the man your heart is missingThat;s why you go away I know以上划线的句子叫做： Attributive Clauses （定语从句）在复合句中修饰某一名词或代词的句子。
高三英语定语从句全面复习讲解与练习人教
分析两种定语从句省略后的结果
1
2
分析两种定语从句省略后的结果
The town where I live is beautiful.
Kenli, where I live, is beautiful. 限制性定语从句省略后主语所指就不明确， 所以不能省略
01
03
02
限制性定语从句和非限制性定语从句：
04
限制性定语从句与非限制性定语从句：
非限制性定语从句和单句的比较
2.He failed in the exam._______ made his parents angry. 3.He failed in the exam, _______made his parents angry.
4.He has two sons. Both of ________ are teachers. 5.He has two sons, both of ________ are teachers.
This
which
whom
them
× that
1.I am reading Harry Porter, _____is an interesting book.
which
as 引导的非限制性定语从句
The earth is round._____ is known to all. The earth is round,_____ is known to all. _____ is known to all, the earth is round ______ is known to all that the earth is round.
01
Shakespeare, whose plays are very popular, was a great writer.
高三英语定语从句公开课教学设计
高三英语定语从句公开课教学设计一、教学目标•熟练理解和运用定语从句的概念和用法；•掌握定语从句的常见引导词；•能够准确使用定语从句修饰名词的能力；•培养学生对英语语法的兴趣和培养语言的应用能力。
二、教学准备•PPT课件•学生练习册•黑板、粉笔等教学工具三、教学过程1. 导入与课堂互动（5分钟）首先，教师可以通过提问或者游戏的方式引入本堂课的主题。
例如，教师可以提问一些与定语从句相关的问题，让学生展开讨论。
通过与学生的互动，激发学生对定语从句的兴趣，并引出今天的课程内容。
2. 定语从句的概念和用法介绍（15分钟）在本环节，教师可以通过PPT课件向学生介绍定语从句的概念和用法。
可以通过例句的方式让学生感受定语从句的具体作用，并解释定语从句修饰名词时的位置和关系。
3. 定语从句的引导词介绍（15分钟）在本环节，教师可以通过PPT课件介绍常见的定语从句引导词，例如关系代词（who, whom, which, that）和关系副词（where, when, why）。
教师可以给出一些例句，让学生理解不同引导词的使用情况。
4. 定语从句的练习与讲解（30分钟）在本环节，教师可以组织学生进行一些定语从句的练习。
可以选择填空、改错或者翻译等形式的练习题。
然后逐一对答案进行讲解，解释每个句子中定语从句的引导词及其用法。
5. 定语从句的应用（20分钟）在本环节，教师可以组织学生进行一些实际应用的练习，例如填写日程安排、介绍朋友等。
通过这些练习，培养学生运用定语从句的能力，并加深对概念的理解。
6. 小结与作业布置（5分钟）在本环节，教师可以对本节课的重点内容进行小结，并布置相应的作业。
作业可以是练习册上的相关习题，也可以是编写一篇关于定语从句的短文。
四、教学反思本节课通过引入、介绍、练习和应用的方式，全面培养学生定语从句的学习能力。
在教学过程中，学生的参与度较高，并且在练习环节中，可以根据学生的实际情况进行辅导，巩固学生的知识。
高三英语教案 高中英语 定语从句 语法教案
高三英语教案高中英语定语从句语法教案----595978ec-7166-11ec-be4a-7cb59b590d7d高三英语教案高中英语定语从句语法教案&lbrack；&lbrack；高三英语教学计划&rsqb&rsqb；高中英语&lbrack；定语从句&rsqb；语法教案高中英语语法教案定语从句是句子中用来修饰名词或代词的定语。
修饰的名词短语或代词是先行词。
定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。
关系代词有：who,whom,whose,that,which等。
关系副词包括：何时、何地、为什么等。
18.1关系代词引导的定语从句关系代词代替的先行词是名词或人或物的代词，在句子中充当主语、宾语、定语等成分。
当定语从句中使用关系代词作主语时，从句中谓语动词的人称和数量应与先行词一致。
1）who,whom,that这些词所取代的先行词是人类名词或代词，在从句中用作主语和宾语。
例如：ishethemanwho/thatwantstoseeyou?他就是你想见的人吗？（who/that在从句中作主语）他昨天是谁。
他就是我昨天见到的那个人。
（在条款中用作宾语的人）2）whose用来指人或物，（只用作定语,若指物，它还可以同ofwhich互换）。
例如：他们被推到了有助于他们的医院。
那人的车抛锚了，大家都跑过去帮忙。
请使用封面是绿色的电子书。
请把绿皮书递给我。
3）which,that所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等。
例如：一个从未在农村出现过的群体。
农村出现了前所未有的繁荣。
（which/that在句中作宾语）你的包快松了。
（哪个是句子中的宾语）18.2关系副词引导的定语从句关系副词可以替代的先行词是时间、地点或原因的名词，它们在从句中用作状语。
1）关系副词when,where,why的含义相当于\有时你必须屈服。
2023年高考真题和模拟题英语分项汇：专题07 定语从句 (解析版) (全国通用)
专题07定语从句养成良好的答题习惯，是决定高考英语成败的决定性因素之一。
做题前，要认真阅读题目要求、题干和选项，并对答案内容作出合理预测;答题时，切忌跟着感觉走，最好按照题目序号来做，不会的或存在疑问的，要做好标记，要善于发现，找到题目的题眼所在，规范答题，书写工整;答题完毕时，要认真检查，查漏补缺，纠正错误。
总之，在最后的复习阶段，学生们不要加大练习量。
在这个时候，学生要尽快找到适合自己的答题方式，最重要的是以平常心去面对考试。
英语最后的复习要树立信心，考试的时候遇到难题要想“别人也难”，遇到容易的则要想“细心审题”。
越到最后，考生越要回归基础，单词最好再梳理一遍，这样有利于提高阅读理解的效率。
另附高考复习方法和考前30天冲刺复习方法。
2023年高考真题1.【2023年全国乙卷】But for all its ancient buildings, Beijing is also a place ____43____ welcomes the fast-paced development of modern life, with 21st-century architectural ____44____ (wonder) standing side by side with historical buildings of the past.【43题详解】考查定语从句。
句意：但是，除了古建筑，北京也是一个欢迎现代生活快节奏发展的地方，21世纪的建筑奇迹与过去的历史建筑并存。
这里为定语从句的关系代词，先行词为“a place”，在定语从句中担当主语，所以用关系代词which或that引导。
故填which/that。
【44题详解】考查名词。
句意：但是，除了古建筑，北京也是一个欢迎现代生活快节奏发展的地方，21世纪的建筑奇迹与过去的历史建筑并存。
分析句子成分可知，空处为名词形式；根据下文的“historical buildings of the past”可知，空处为名词的复数形式。
2024年高考真题和模拟题英语分类汇编：专题04 三大从句 (解析版) (全国通用)
专题04 三大从句养成良好的答题习惯，是决定成败的决定性因素之一。
做题前，要认真阅读题目要求、题干和选项，并对答案内容作出合理预测;答题时，切忌跟着感觉走，最好按照题目序号来做，不会的或存在疑问的，要做好标记，要善于发现，找到题目的题眼所在，规范答题，书写工整;答题完毕时，要认真检查，查漏补缺，纠正错误。
总之，在最后的复习阶段，学生们不要加大练习量。
在这个时候，学生要尽快找到适合自己的答题方式，最重要的是以平常心去面对考试。
2024年高考真题1.【新课标Ⅰ卷】The Glasshouse stands ____as__ a great achievement in contemporary design, to house the plants of the southwestern part of China at the end of a path retracing (追溯) the steps along the Silk Route ____64____ brought the plants from their native habitat in Asia to come to define much of the ____richness_____ (rich) of gardening in England.64.【答案】which/that【解析】考查定语从句。
句意：Mark Woodruff补充说：“这是当代设计的最高成就，在丝绸之路的尽头，中国亚热带西南部的植物群从温带的欧洲穿过山脉、干旱的土地和高山牧场，这些植物从亚洲的原生栖息地带到英国，定义了英国园艺的丰富和荣耀。
”空处引导限制性定语从句，修饰先行词design，先行词指物，关系词在定语从句中作主语，用关系代词which或that引导从句。
故填which/that。
2.【新课标ⅠⅠ卷】Chinese cultural elements commemorating (纪念) Tang Xianzu, ___36___ is known as “the Shakespeare of Asia,” add an international character to Stratford-upon-Avon, William Shakespeare’s hometown. 36.【答案】who【解析】考查定语从句。
高中英语定语从句教案
---The speed
which you drive your car should be controlled
due to poor visibility.
提 高 篇 ---考 点 归 纳
考 点 归
1.that 与 which 2.关系副词的用法 3.介词+关系词
纳 4.关系词as的用法
5.定从与其他复合句的区分
提 高 篇 ---考 点 归 纳
.
考点一、that or which ?
提 高 篇 ---考 点 归 纳
1.This is all
I know about the matter.
What’s more, there are many friendly
classmates with
I could get along well.
Introducing a person or a thing. Expressinging possession
1.She is my best friend, name is Xinxin.
提 高 篇 ---考 点 归 纳
conclusion 1：先行词有下列情况时, 通常用关系代词 that：
① 先行词是all, everything, nothing, anything, little, much等不定代词时; ② 先行词被all, any, every, no, some, little,much等词修饰时; ③ 先行词被序数词或形容词最高级修饰时; ④先行词被the only, the very(正是,恰是), the last 修饰时 ; ⑤ 当先行词既有人又有物,定语从句用that 引导 (that既可指人也可指物)
高三英语定语从句讲解
话扯远了。
同志们、朋友们、老乡们！
说完我屁股挨打，该说我妹妹了。我妹妹有莲屁股挨打的时候很少，她生下来很正常很乖，当时家里已经有了两个儿子，爹娘不担心了，也不反感，满月、百岁、生日都叫亲戚们吃了饭。但两年过 去了，三年过去了，有莲不会说话，不会走路，头发是白的，所以她小时候经常被带着上医院。听爹娘说，他们带着她上磴口、临河、包头，到各种医院看病，吃了各种药，用了各种办法，都不见效。 有莲四岁那年，有个老头上门要饭，看到保姆怀里抱着个白头发的女孩，就上来询问，告诉保姆到东升庙里找马老和尚去看看。我爹不信，不肯去，我娘相信，她带妹妹去东升庙找老和尚，我也一块儿 去了。其实，马老头不是和尚，是道士，头上戴个奇怪的帽子，一点都不推辞地收了妈妈给他带的家养的母鸡和地里的芋头玉米土豆。他扒拉开妹妹的眼皮，掏了掏她的耳朵，看了看她的牙，攥着妹妹 的手，眯着眼睛使劲不停捋啊捋的，最后开了个方子给我娘。娘照方抓药，白头发治好了，走路和说话是后来才好的。皇家国际真人现场厅
高三定语从句复习Attributive Clause In Use
This is the song.
I like the song best. This is the song which I like best.
The fourth Thursday in November is a traditional festival, which is celebrated in America.
Structure：
that / which / who/whom/as
relative pronoun
关系代词
(as subject , object or predicative)
antecedent +
whose (as attribute)
先行词
relative adverb when / where / why
1. All that I can see is just a yellow lemon tree. 先行词 2.I like this song whose name is Lemon Tree.
先行词
I like this song. The song’s name is Lemon Tree.
With your words of wisdom in my youthful mind, I suddenly felt unlimited freedom to dream.
It made my whole world open up．
8. Your words became my motto, from which I gained strength. Your words became my motto.
定语从句教案-高三英语复习
Relative ClausesTeaching purpose:To have a systematical understanding of relative clauses;To know how to choose the right relative words;To know the differences between some special relative words;To know how to solve problems in doing multiple choices about relative clauses. Teaching contents:The definition and function of relative clauses;The usage of relative pronouns and relative adverbs;The differences among as, which and that;Restrictive and non-restrictive clauses;The structure: preposition + relative pronounDifficult and important points:The right use of relative clauses;How to choose the right proposition;How to analyze the components of a sentence.Presentation:1. 定义He is a good student. He is good at math.He is a good student who is good at math.(先行词）（关系词）2.关系代词This is the man who helped me yesterday.This is the man who/whom I helped yesterday.Do you know the man whose name is Moyan?Football is a game which/that is liked by most boys.This is the best film (that) I have ever seen.I will never forget the day when I met him/her.This is the place where we lived for 3 years.I don’t know the reason why he came late.4.介词+关系代词(1)“介词+关系代词”结构中，介词的宾语只能是which或whom且不可省略(2)该结构中的介词可以依据与定语从句中谓词的搭配、与先行词的搭配或句子的意义来确定I will never forget the day on which I met him/her.This is the place in which we lived for 3 years.I don’t know the reason for which he came late.There are nearly 1000 farmers, many of whom left their village homes for a better life in the city.This is the house (which) we bought last month.The house, which we bought last month, is very nice.6.that与which的区别只用that不用which的情况(1)当先行词是everything, anything, nothing something ,all, none, few, little, some等不定代词时，或当先行词受every, any, all, some, no, little, few, much等代词修饰时。
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定语从句（三）【学习目标】1.理解并掌握as 引导的定语从句2.理解as和which引导定语从句的区别3.记住不用that 引导定语从句的情况4.理解只能用that引导定语从句的情况【解题方法】定语从句解题四步：第一步,找出先行词；第二步,找出定语从句第三步,看先行词在定语从句中的语法功能（主语、宾语…）第四步,选择合适的关系词。
【自主学习】1. 关系代词as引导的定语从句so … as … such …as…the same … as …the same … that …1. As a teacher, I seldom give my students so difficult a problem as they cannot work out.2. Such books as you tell me are interesting.3. This is the same bike as I lost. This is the sa me bike that I lost▲ the same … that … __________________________ ▲ the same … as … _________ _________________【常用句式】 as anybody can see as we all know as is well known as we had expected as often happens as is often the case as has been pointed out as has been said before as is mentioned above2.as和which引导定语从句的区别两者都可以引导非限定性定语从句，先行词都可指整个句子，都可在句中做主，宾，表语等，有时可互换，但在一下情况下多用as. (1)关系代词引导的从句位于句首时。
(2)当与such, the same等连用时用as。
(3)当as在从句中做主语，后常接行为动词被动语态，如be known, be said ,be reported, be mentioned等。
(4)as表示“正如，正像”，而which无此意。
(5)as从句中常有know，expect，happen，point out，plan，suggest等单词或短语。
Eg. 1. ________ we know more than 70% of the earth is covered with water.2. He came back home late_________ we expected3. This is such an easy question _________ I can answer.3. that引导的定语从句1．不用that的情况(1)引导非限定性定语从句时(2)介词后不能用。
2．只能用that作为定语从句的关系代词的情况①当先行词是不定代词all, much, little, something, everything, anything, nothing, none, the one等时； Is there anything that I can do for you?②当先行词被only, very, just, last, all, one of, no, little, few, any, the same, every等修饰时; The only thing that I can do is to have a rest.③当先行词是形容词最高级或被形容词的最高级修饰时; This is the best that has been used against pollution.④当先行词是序数词或被序数词修饰时； This is the first book that he has read.⑤当先行词既有人又有物时；He spoke of the men and the things that he had seen abroad.⑥当主句的主语是疑问词which时；Which is the book that you bought last week?⑦有两个定语从句时，其中一个关系代词已用which，另外一个要用that，以避免重复; He built up a factory which produced some furniture that had never been seen before.⑧当先行词是主句的表语，或关系代词是从句的表语时，关系代词用that; She is not the girl that she was three years ago.【高考跟进练习】I.单句填空用适当的关系代词或副词填空。
1．The first blog site ________ makes users register with their real name opened in China on Monday.2．Another new year is coming.It’s up to all of us to fill it with things ________ promise progress and happiness.3．Can Starbucks(星巴克)find a place in China，________ tea has been the preferred drink for hundreds of years?4．The World Wide Fund for wildlife is an organization ________ aim is to protect wildlife. 5．The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.6．This is Mr.Smith，________ I think has something interesting to tell you.7．—I can’t find Mr.Smith.Where did you meet him this morning?—It was in the hotel ________ he stayed.8．The students are talking about the strange stories and persons ________ they met in the adventure.9．Many young people end up in a job ________ the y’re not interested in.10．A computer is so useful a machine ________ we can use everywhere.Ⅱ.语篇填空用适当的关系词完成下列短文。
Do you know the man 1.________ wrote this book? He was Jason，one of the engineers 2.________ came from Russia in the 1950s.He worked in the same factory 3.________ my father once worked.When he came to China, the first thing 4.________ he did was to visit the factory 5.________ did research on trolleybuses and found out the reason 6.________ China was so backward in it.Then he spent every minute 7.________ he could spare to help China develop transportation.8.________ is mentioned above. Jason was a foreigner9.________ made great contributions to our country and was a kind man 10.________ we should say thanks.Ⅲ.语法填空阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的适当形式。
W：Hi，Mr.White?M：Ah，yes.You must be Susan.Thanks for coming.W：Here’s my card.M：Oh，1.________is hard to find a good babysitter on a Friday night.W：Well，I like watching kids，and I need the 2.________ money.M：Well，I heard you were one of the 3.________(good)babysitters in the area，and...W：Uh，well，I’d like to talk to you 4.________my new rate increases.M：Rate increases?W：You see，Mr.White.I 5.________ (consult) with my financial 6.________(advise)．M：What?W：Uh，my mother，and she says I should charge more per child 7.________I do cook and clean your house while you’re away.M：Oh，I see.So，what do you have in mind?W：Well，as I see it，I’d like to ask a dollar more per child per hour，and overtime after midnight.8.________ (base) on my calculations，that’s only 10.23% above the going market，and I’m now 9.________certified babysitter 10.________ training.M：Oh，I never knew there were courses and certifications in babysitting.W：Times are changing，Mr.White.I have to figure in expenses for a benefit package to cover college tuition，retirement，and so on.。