定语从句例句100句 定语从句复习总结范文
定语从句简单例句【最新7篇】
定语从句简单例句【最新7篇】篇一：as, which 非限定性定语从句篇一由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。
As一般放在句首，which在句中。
As we know, smoking is harmful to one's health.The sun heats the earth, which is very important to us.典型例题1)Alice received an invitation from her boss, ___came as a surprise.A. itB. thatC. whichD. he答案C. 此为非限定性从句，不能用 that修饰，而用which.，it 和he 都使后句成为句子，两个独立的句子不能单以逗号连接。
况且选he句意不通。
2)The weather turned out to be very good, ___ was more than we could expect.A. whatB. whichC. thatD. it答案B。
which可代替句子，用于非限定性定语从句，而what不可。
That 不能用于非限定性定语从句，it不为连词，使由逗号连接的两个句子并在一起在英语语法上行不通。
3)It rained hard yesterday, ____ prevented me from going to the park.。
A. thatB. whichC. asD. it答案B.as 和which在引导非限制性定语从句时，这两个关系代词都指主句所表达的整个意思，且在定语从句中都可以作主语和宾语。
但不同之处主要有两点：（1） as 引导的定语从句可置于句首，而which不可。
（2） as 代表前面的整个主句并在从句中作主语时，从句中的谓语必须是系动词；若为行为动词，贴心则从句中的关系代词只能用which.。
定语从句例句3篇
定语从句例句3篇定语从句例句1用定语从句造句如下：1、The man's car broke down. Everyone ran to help。
那人车坏了，大家都跑过去帮忙。
2、Pass me the green book，please。
请递给我那本绿皮的书。
3、Unprecedented prosperity has emerged in the countryside。
农村出现了前所未有的繁华。
4、The bag you took is going to be scattered。
你拿的包快散了。
5、There are times when anyone has to give in。
任何人都有不得不屈服的时候。
6、Beijing is my birthplace。
北京是我的出生地。
7、Is that why he refused us to help him?这就是他拒绝我们帮助他的理由吗?8、His father died the year he was born。
他父亲在他出生那年逝世了。
9、He is unlikely to find the place where he lived 40 years ago。
他不大可能找到他四十年前居住过的地方。
10、She is the girl who likes singing。
她就是那个喜爱唱歌的女孩。
定语从句例句2限制性定语从句Can you tell me the date on which the accident happened?你能告知我这起事故发生的日期吗?Here is the young man about whom we have heard so much.这就是我们常常听说的那位年轻人吗?The school where /in which we are studying is callled the First Middle School.我们就读的那所学校叫第一中学。
定语从句例句带翻译及讲解
定语从句例句带翻译及讲解定语从句例句带翻译及讲解(1) who引导的非限制性定语从句Our guide，who was a French Canadian，was an excellent cook.我们的向导，一个法裔加拿大人，擅长于烹调。
My gardener，who is very pessimistic，says that there will be no apples this year.我家的园丁非常悲观，他说今年将不结苹果。
(2) whom引导的非限制性定语从句关系代词whom用于指人，在句中作动词宾语和介词宾语，作介词宾语时，介词可位于句末。
如：Peter, whom you met in London, is now back in Paris.彼得现在回巴黎了，你在伦敦见过他。
Mr Smith，from whom I have learned a lot，is a famous scientist.史密斯先生是一位著名的科学家，我从他那儿学了许多东西。
(3) whose引导的非限制性定语从句whose是关系代词who的所有格形式，在从句中作定语。
whose 通常指人，也可指动物或无生命的事物。
如：The boy, whose father is an engineer, studies very hard.那位小男孩学习很努力，他的父亲是位工程师。
Above the trees are the mountains whose magnificence the river faithfully reflects on the surface. 在树林的高处是山，其壮丽的景色完全映照在河面上。
The play，whose style is rigidly formal，is typical of the period.这剧本是那个时期的典型作品，风格拘谨刻板。
(4) which引导的非限制性定语从句关系代词which在非限制性定语从句中所指代和修饰的可以是主句中的名词、形容词、短语、其他从句或整个主句，在从句中作主语、动词宾语、介词宾语或表语。
高考英语定语从句100句
高考英语定语从句100句1. The man who talked to you just now is an engineer. 刚才和你说话的那个人是一位工程师。
2. This kind of book is for children whose native language is Chinese. 这种书是供母语是汉语的儿童看的。
3. I enjoyed the evening that we spent together by the sea. 我们一起在海边度过的那个晚上，我过得很愉快。
4. Here is the pen that you lost the day before yesterday. 这是你前天丢失的那支笔。
5. He is the person I met in the park yesterday. 他就是我昨天在公园里遇到的那个人。
6. The book you need is sold out. 你需要的那本书售完了。
7. The lady who came to our class is from Australia. 那位来过我们班的女士来自澳大利亚。
8. The man who shook hands with our teacher just now is Li Lei’s father. 刚才和我们老师握手的那个人是李雷的父亲。
9. I’ll never forget the summer holiday I spent with you. 我将不会忘记和你一起过的那个暑假。
10. She is one of the students in our class who are good at English. 她是我们班上英语很好的学生之一。
11. He’s the only one of my friends who comes from a foreign country. 他是我唯一一个来自外国的朋友。
定语从句例句带翻译及讲解【优秀7篇】
定语从句例句带翻译及讲解【优秀7篇】（经典版）编制人：__________________审核人：__________________审批人：__________________编制单位：__________________编制时间：____年____月____日序言下载提示：该文档是本店铺精心编制而成的，希望大家下载后，能够帮助大家解决实际问题。
文档下载后可定制修改，请根据实际需要进行调整和使用，谢谢!并且，本店铺为大家提供各种类型的经典范文，如总结报告、心得体会、策划方案、合同协议、条据文书、竞聘演讲、心得体会、教学资料、作文大全、其他范文等等，想了解不同范文格式和写法，敬请关注!Download tips: This document is carefully compiled by this editor. I hope that after you download it, it can help you solve practical problems. The document can be customized and modified after downloading, please adjust and use it according to actual needs, thank you!Moreover, our store provides various types of classic sample essays, such as summary reports, insights, planning plans, contract agreements, documentary evidence, competitive speeches, insights, teaching materials, complete essays, and other sample essays. If you want to learn about different sample formats and writing methods, please stay tuned!定语从句例句带翻译及讲解【优秀7篇】所谓定语从句，就是在复合句中起定语作用以修饰主句中的名词或代词的从句。
定语从句典型例句【范本模板】
定语从句典型例句1、This is an old computer which\thatworks much slower。
2、T hey stayed with me for three weeksduring which time they drunk all thewine I had.3、T he picture (that) we are looking atwas drawn by a fifteen-year-oldstudent。
4、T he picture at which we are lookingwas drawn by a fifteen—year—oldstudent.5、I have many students to whom I amgoing to send postcards.6、Y ou're the only one whose advice hemight listen to。
7、I’d like a room whose window looksout over the sea.8、T he explorer took only such menand things as he really needed intothe jungle。
9、S uch people as have made greatcontributions to the world should be greatly respected。
10、Let’s meet at the same place as wedid yesterday.11、Shakespeare is a famous writer ,aseveryone knows。
12、As everyone knows ，Shakespeareis a famous writer。
13、Shakespeare ，as everyoneknows ，is a famous writer。
定语从句知识点总结(热门3篇)
定语从句知识点总结第1篇一、省去作主语的关系代词致错误：The changes have happened in the past few years make the city look even more beautiful.正：The changes that have happened in the past few years make the city look even more beautiful.误：Those want to visit the art exhibition sign your names，please.正：Those who want to visit the art exhibition sign your names，please.分析：关系代词在定语从句中作宾语时可以省，但作主语时不能省。
二、从句中使用多余的代词或副词致错误：The compositions we handed them in two weeks ago haven’t been marked yet.正：The compositions we handed in two we eks ago haven’t been marked yet.分析：从句中省去了作宾语的关系代词that或xxxch，应去掉them。
误：After living in Paris for 60 years，he returned to the small town where he grew up as a child there.正：After living in Paris for 60 years，he returned to the small town where he grew up as a child.分析：关系副词where在从句中作地点状语，xxxhere属语义重复，应去掉。
三、as / it / xxxch混用致错误：As is known to all that smoking does great harm to health.正：It is known to all that smoking does great harm to health.或As is known to all，smoking does great harm to health.分析：as引导非限制性定语从句，置于句首时，要用逗号与主句隔开;it放在句首，作形式主语时，将从句后置，中间不用逗号。
定语从句大汇总范文
定语从句大汇总范文定语从句是对一个名词或代词进行进一步的修饰或限定的从句。
定语从句通常由关系词引导，关系词包括that, which, who, whom, whose等。
下面是一些常见的定语从句的类型和例句：1.关系代词作主语：- I want to buy the book that is on the shelf.- The man who lives next door is a doctor.2.关系代词作宾语：- I have a friend who can speak five languages.- They visited the museum that they had always wanted to go to.- The dress that she bought yesterday is very beautiful.3.关系代词作介词宾语：- Do you know the girl whom he is talking to?- There is a house in the neighborhood whose roof is painted red.- The city has many parks, in which people can relax.4.关系代词作表语：- The reason why he is late is that he missed the bus.- Music is something that can touch people's hearts.- The problem is how we can solve it.5.关系代词作定语：- I like the book which is on the table.- The car that I bought last month is very expensive.- The movie that we watched last night was very interesting.6.关系代词作状语：- He finally succeeded in the job for which he had worked so hard.- The bus that we were waiting for arrived late.7.关系词被省略：- I have a brother (who/that) lives in London.- The house (that) I live in is very old.- Do you know the girl (whom) he is dating?8.关系代词和关系副词：- This is the place where I used to live.- She is the person whom I love the most.- I'll never forget the day when we first met.这只是定语从句的一些常见例子，随着语境和句子结构的变化，定语从句的形式和用法也会产生一定的变化。
定语从句知识总结精彩5篇
定语从句知识总结精彩5篇英语的定语从句总结篇一1、由关系代词who, whom, whose, that, which; 关系副词when, where, why 引导。
（下面十个句子请读5遍并脱口译出！）e.g.1. The death notices tell us about people who have died during the week.2、The man (whom) you spoke to just now is my friend.3、The building whose lights are on is beautiful.4、Please find a place which we can have a private talk in.5、The knee is the joint where the thighbone meets the large bone of the lower leg.6、He still remembers the day when he went to school.7、It is no need telling us the reason why you didn't finish it in time.8、He has three sons, two of whom died in the war.9、Mr. Smith, whose wife is a clerk, teaches us English.10、In the Sunday paper there are ics, which children enjoy.2、只能用that和who引导的定语从句A.all, nothing, anything, a few, one做先行词指物时B.先行词前有形容词最高级修饰时，后面常跟that而不是whichC.先行词前有the only, the first, the last, the next, the very等词修饰时，引导词只能用thatD.当先行词是anyone, anybody, everyone, everybody, someone, somebody时，后面要用who或whome.g. All that glitters is not gold. 闪光的并非都是金子。
定语从句例句100句 定语从句复习总结
定语从句例句100句定语从句复习总结定语从句(也称关系从句、形容词性从句)，一个句子跟在一个名词或代词(先行词)后进行修饰限定，就叫做定语从句。
以下是本站分享的定语从句例句100句定语从句复习总结，希望能帮助到大家!定语从句例句100句定语从句复习总结一、定语从句的概念定语从句是指在复合句中，修饰限定某一名词或代词的从句。
例如：You must buy me the house which is near Xiangshan.上面例句中的the house就是后面定语从句所修饰或限定的词，叫先行词，定语从句放在先行词的后面。
二、关系词(连接词)引导定语从句的关系词有关系代词：that, which, who (宾格whom, 所有格whose) 和关系副词where, when, why。
关系词放在先行词和定语从句之间，起连接作用，同时还做定语从句的一个成分。
1. 关系代词引导的定语从句引导定语从句的关系代词主要有that、which、who、whom、whose，其中whom引导的是宾格，whose引导的是所有格。
2.that与which的用法区分1)只能用that，不能用which作为定语从句关系代词的情况a)当先行词由不定代词anything, nothing, the one, all, much, few, any, little等代替时，关系代词只能用that而不能用which 。
例如：There is nothing that I can dob)先行词有the only, the very, the same, the last修饰时例如：The last place that I visited was the hospital.c)先行词为序数词、数词、形容词级。
例如：This is the first composition that he has written in English.d)先行词既有人，又有物时例如：He talked about the teachers and schoolsthat he had visited.2)只用which不用that的情况a)引导非限定性定语从句时例如：The tree, which is four hundred years old, is very famous here.b)介词后用which例如：We depend on the land from which we get our food.3.关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。
定语从句典型例句100句
定语从句是英语语法中的一种复杂句型，它用来修饰名词或代词，提供更多的信息和描述。
以下是一些定语从句的典型例句：1. He is the man who is wearing a blue shirt.（他是一个穿蓝色衬衫的人。
）2. They are the students who are studying in the classroom.（他们是正在教室学习的学生。
）3. She is the girl who has long hair.（她是长发女孩。
）4. This is the car that I bought last week.（这是我上周买的车。
）5. Where is the man who spoke to you just now?（刚刚跟你说话的那个男人在哪里？）6. They are the reason why I am late.（他们是我迟到的理由。
）7. He is the person whom I think you mean.（他是我认为你指的是的人。
）8. This is the book that my mother gave me.（这是我妈妈给我的书。
）9. There are the days when I feel sad.（有些时候我感到悲伤。
）10. He is the man whose house was destroyed in the storm.（他是那个房子在暴风雨中被毁的人。
）11. She is the woman whose hair is golden and straight.（她是那个头发金黄直顺的女人。
）12. This is the restaurant where we had dinner last night.（这是我们昨晚吃饭的餐厅。
）13. They are the children who were born in the same year as me.（他们是我同一年出生的孩子。
定语从句例句100句
定语从句例句100句一：[定语从句例句100句]包含定语从句的句子当先行词是形容词最高级或被形容词最高级修饰时，只能使用“that”, 不用“which”。
以下内容是我为您细心整理的包含定语从句的句子，欢迎参考！包含定语从句的句子一先行若是不定代，that就把which 踹；当先行词为anything，everything，nothing，all，any，much，many，one等不定代词时，只能使用“that”, 不用“which”。
例：Is there anything that I can do for you? 我能给你做点什么吗？先行词前有两数，就用that定无误；当先行词是基数词或序数词修饰时，只能使用“that”，不用“which”。
例句： That is the second time that I have been to Japan. 那是我去日本的其次次。
The two buildings that lay on the River Thames fell down last week.坐落在泰晤士河岸边的那两座大楼上星期倒塌了。
先行词前最高级，还用that必无疑；当先行词是形容词最高级或被形容词最高级修饰时，只能使用“that”, 不用“which”。
例句：This is the most wonderful time that I have ever had.这是我度过的最美妙的时间。
句中若有there be, that应把which替；例：There is no evidence that animals possess a mysterious sixth-sense allowing them to predict natural disasters. 说动物拥有神奇的第六感，可以预知自然灾难，这是没有依据的。
先行主中做表语，避开重复从句里；例句：1）This is not the hospital that it used to be.这已经不再是以前那座医院了。
【简单定语从句例句100句】定语从句例句100句-定语从句例句名言 .doc
【简单定语从句例句100句】定语从句例句100句|定语从句例句名言引导语：定语从句例句名言有哪些？下面由小编告诉你们吧，欢迎阅读！定语从句例句名言1.He,whoknowsnothingbutpretendstoknoweverything,isindeedagood-for-nothing.不懂装懂,永世饭桶。
2.Hethatisilltohimselfwillbegoodtonobody.人不自爱，焉能爱人？3.Helaughsbestwholaughslast.谁笑在最后,谁笑得最好。
4.Hewhomakesnomistakesmakesnothing.从不犯错误的人一事无成。
5.Hethatcanreadandmeditatewillnotfindhiseveningslongorlifetedious.会读书思索的人不会感到长夜无聊或生活乏味。
6.Hethatgainstimegainsallthings.谁赢得时间，谁就赢得一切。
7.Heisthebestgeneralwhomakesthefewestm istakes.─Hamilton错误犯得最少的将军就是最好的将军。
──汉密尔顿8.Hewhonothingquestions,nothinglearns.什么也不问的人什么也学不到。
9.Hethatismasterofhimselfwillsoonbemasterofothers.能自制者方能制人。
10.Hethattravelsfarknowsmuch.行万里者,见多识广。
11.Hethatcannotaskcannotlive.万事不求人,哪里能生存？12.Afriendissomeonewhoknowsallaboutyouandstilllovesyou.朋友就是这样的人──他了解你的一切而仍然喜欢你。
13.Allisnotgoldthatglitters.闪闪发光者，未必皆黄金。
定语从句的简单例子
定语从句的简单例子
1. The book that I bought yesterday is really interesting. 比如说，“我昨天买的那本书，就是那本讲外星冒险的书，多有意思啊！”
2. The man who is sitting there is my father. 就像，“坐在那儿的那个人，那个总是给我温暖拥抱的人，就是我爸呀！”
3. The movie which we watched last week was so touching. 想想看，“我们上周看的那部电影，就是让我们都感动哭了的那部呀，是不是很棒！”
4. The dog that follows me everywhere is my best friend. 哎呀，“一
直跟着我到处跑的那只狗，那可是我最好的伙伴呢！”
5. The place where we met for the first time is very special to me. 你看，“我们第一次见面的那个地方，对我来说多特别呀！”
6. The song that she sang made everyone emotional. 好比，“她唱的
那首歌，就是那首让所有人都动情的歌呀，多厉害！”
我觉得定语从句真的很神奇呀，它能让我们的表达更加准确、丰富呢！。
定语从句应用于作文
At the fourth day, we won’t miss the Eiffel Tower that is the landmark in Paris. Also, we will visit Louvre for famous paintings. At the fourth day, we won’t miss the Eiffel Tower , the landmark in Paris, and we will also visit Louvre where we can admire a great many extremely famous paintings.
Luxembourg, where the air is fresh and trees are tall and green, is another place that we are going to visit.
Our travel agency has a five day trip , which in 1st –5th each month.
第五天；巴黎—北京 整理行装，乘机返回。
planned person 、 people be worth doing cost / coast at a cost of cost / take /spend
financial center
breathe fresh air
will arrive
The first day, we will fly to Amsterdam form Beijing, which spend 11 hours.
She passed the exam, which was beyond our expectation. She passed the exam and it was beyond our expectation.
定语从句 例句
定语从句例句定语从句不同于单词作定语的情况，它通常只能放在被修饰的词（即先行词）之后。
定语从句例句一1.你昨天错过的会议非常重要.The meeting that you have missed yesterday was very important.2.正在做演讲的女孩是我们班的班长.The girl who is making a speech right now is our monitor.3.我昨天打坏的花瓶是很昂贵的.The vase that I broke yesterday was very expensive.4.昨天帮助了你的男孩是我的邻居.The boy who helped you yesterday is my neighbour.5.这正是我所感兴趣的话题.That's just the topic that I'm very interested in.6.这是那个给我提供了宝贵机会的老板.He is just the boss who gave me that valueable opportunity.7.这个话题是我感到厌倦的.This is the topic/theme that I'm tired of.8.他是那个帮助了我的老师.He is the teacher who helped me.9.我们很喜欢那个很幽默的演讲者.We all like that speaker who is very humourous.10.两个女儿都是教师的那个老奶奶是我们的邻居.The old lady whose two daughters are both teachers is our neighbour定语从句例句二that代替关系副词 that可以用于表示时间、地点、方式、理由的名词后取代when, where, why和"介词+ which"引导的.定语从句，在口语中that常被省略，例如：His father died the year (that / when / on which) he was born. 他父亲在他出生那年逝世了。
定语从句经典例句
1.窗户朝南的那间房间是我的。
The room whose window faces south is mine.=The room of which the window faces south is mine.1.整座城市躺在废墟中，其中百分子75的工厂和大楼消失不见了。
The whole city, 75% of whose factories and buildings were gone, lay in ruins.2.我们公司有2000工人，三分之二是女工。
Our company has 2000 workers, of whom two thirds/ two thirds of whom are women.3.那些被困在废墟里的人已经得救了。
Those who were trapped under the ruins finally got rescued.4.你们刚才谈论的那场地震好可怕呀！The earthquake that you were talking about sounded frightening/shocking.=The earthquake about which you were talking sounded frightening.5.我的家人都是音乐爱好者，今晚将去看电影。
My family, all of whom are music lovers, are going to the movie tonight.6.我们正在看的这幢大楼过去曾经是一家医院。
The building which we are looking at used to be a hospital.7.约翰向母亲说起过把他在国外见过的人和城市。
John once talked to his mom about the people and cities that he had visited abroad.8.他是去过伦敦的一位以观光者之一。
英语的定语从句的句子总结
英语的定语从句的句子总结英语的定语从句的句子总结导语：英语的定语从句的句子哟哪些重点知识呢?以下是小编为大家整理的文章，欢迎阅读!希望对大家有所帮助!知识总结归纳(一)定语从句的结构：在复合句中，修饰某个名词或代词的句子(做这个名词或代词的定语)叫定语从句，定语从句一般放在被修饰的名词或代词后面，被修饰的名词或代词叫做定语从句的先行词，它与定语从句之间要有一个词连接，这个词指代先行词的内容叫做关系词(关系代词或关系副词：that, which, who, whose, when, where, why)。
先行词在定语从句中充当主语，宾语，时间，地点，原因状语。
结构：先行词+关系词+定语从句。
1. There she saw a wall of water that was quickly advancing towards her.2. In Japan, someone who sees another person making the gesture will think it means money.3. A theme park is a collection of rides, exhibitions or other attractions that are based on a common theme.4. The park has a conservation center that helps protect marine animals and their habitats in the rivers and coastal waters of Asia.5. Visitors can go on exciting rides where they can feel what it is like to do the things they have seen their heroes do in the movie.6. Oprah Winfrey is a black woman whose rise to fame is an inspiring story.(二)定语从句分为限定性定语从句和非限定性定语从句：限定性定语从句：从句对先行词进行必要的.描述或说明，缺少它，则句义显得不完整，从句与先行词紧密相连。
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定语从句(也称关系从句、形容词性从句)，一个句子跟在一个名词或代词(先行词)后进行修饰限定，就叫做定语从句。
以下是分享的定语从句例句100句定语从句复习总结，希望能帮助到大家!
定语从句例句100句定语从句复习总结
一、定语从句的概念
定语从句是指在复合句中，修饰限定某一名词或代词的从句。
例如You must buy me the house which is near Xiangshan.
上面例句中的the house就是后面定语从句所修饰或限定的词，叫先行词，定语从句放在先行词的后面。
二、关系词(连接词)
引导定语从句的关系词有关系代词that, which, who (宾格whom, 所有格whose) 和关系副词where, when, why。
关系词放在先行词和定语从句之间，起连接作用，同时还做定语从句的一个成分。
关系代词引导的定语从句
引导定语从句的关系代词主要有that、which、who、whom、whose，其中whom引导的是宾格，whose引导的是所有格。
that与which的用法区分
1)只能用that，不能用which作为定语从句关系代词的情况
a)当先行词由不定代词anything, nothing, the one, all, much, few, any, little 等代替时，关系代词只能用that而不能用which 。
例如There is nothing that I can do
b)先行词有the only, the very, the same, the last修饰时
例如The last place that I visited was the hospital.
c)先行词为序数词、数词、形容词级。
例如This is the first composition that he has written in English.
d)先行词既有人，又有物时
例如He talked about the teachers and schools that he had visited.
2)只用which不用that的情况
a)引导非限定性定语从句时
例如The tree, which is four hundred years old, is very famous here.
b)介词后用which
例如We depend on the land from which we get our food.
关系副词引导的定语从句
关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。
1)先行词是表示地点名词时(country, school, room…)，而关系词代替先行词在定语从句中充当地点状语，一般用where引导定语从句。
也可以用介词+which的结构。
值得留意的是which前的介词选择是根据先行词与介词的搭配关系而定。
例如He wants to find the place in which (=where) he lived forty years ago.
2)先行词是表示时间名词时，而关系词代替先行词在定语从句中充当时间状语，一般用when引导定语从句。
也可以用介词+which的结构。
值得留意的是when前的介词选择是根据先行词与介词的搭配关系而定。
例如I cannot forget the first day on which (=when) my family moved into the city.
3)先行词是the reason，而关系词代替先行词在定语从句中充当原因状语，一般用why 引导定语从句。
也可以用for + which的结构。
例如Is this the reason for which (why) he refused our offer
但是这里要指出的是，假如介词和Which搭配在一起并不表示以上三种意思，则我们只能留存介词+Which的形式。
如 I know English in which I wrote the love letter.
判定关系代词与关系副词
方法一用关系代词还是关系副词完全取决于从句中的谓语动词。
及物动词后面无宾语，就必需要求用关系代词;而不及物动词则要求用关系副词。
方法二正确判定先行词在定语从句中的成分(主、谓、宾、定、状)，也能准确选择出关系代词/ 关系副词。
关系词的选择依据在从句中所做的成分，先行词在从句中做主、定、宾语时，选择关系代词(who, whom,that, which, whose);先行词在从句中做状语时，应选择关系副词 (where 地点状语，when 时间状语，why 原因状语)。
限定性从句和非限定性从句
1)定语从句有限制性和非限制性两种。
限制性定语从句是先行词不可缺少的部门，去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开。
例如
All the Greeks who are philosophers are very clever. (限制性)
All the Greeks, who are philosophers, are very clever. (非限制性)
2)非限制性定语从句还能将整个主句作为先行词, 对其进行润饰, 这时从句谓语动词要用第三人称单数。
例如The traffic of Beijing is quite bad, which is known to everyone.
定语从句的省略
(1) 关系代词充当从句宾语
我们前面说到连接词在定语从句中充当一个成分，有可能是主语、有可能是宾语，我相信大家肯定还记得，这里我们要告诉大家，当这些连接词充当的是宾语时，可以省略。
例如
The book (that/which) we bought last year is now very popular.
We can see the boys (who/whom/that) the teacher is talking with are quite happy.
(2) 关系代词充当从句主语
当关系代词充当从句主语时，也可以省略，但是省略后的从句要发生形式的变化，原从句若为主动语态，后面的动词结构要变成分词ing形式，原从句若为被动语态，后面的动词结构直接为过去动词结构。
这种结构在英语语法中称为分词作定语。
例如
The novel which was given by the professor mainly discusses the development of Chinese economy.
The novel given by the professor mainly discusses the development of Chinese economy.
The novel which mainly discusses the development of Chinese economy was given by the professor.
The novel mainly discussing the development of Chinese economy was given by the professor.
SP: (1) why的先行词reason或可用that 指代的名词也是定语从句的原因状语时，关系代词或关系副词可以省略。
例如
That is the reason (for which/why) you dislike it.
I wonder the reason (why/for which) he changed his mind.
(2) 表示方式的先行词way，其后的关系代词可用that也可省略，例如
Everyone does not like the way (that) he talks.
Do you know the way (that) the teacher treated his students.。