引导定语从句的关系代词who
that与who的用法区别
that与who的用法区别一、初识that与who在英语中，that和who是两个常见的关系代词，用于引导定语从句或者限定性定语从句。
尽管它们通常可以互换使用，但在某些情况下，它们有一些细微差别。
了解这些差异对于正确运用英语语法至关重要。
本文将详细介绍that与who的用法区别。
二、that的用法1. 引导限定性定语从句That用作引导限定性定语从句时，在修饰人和物时都可以使用。
例1：I have a friend that always makes me laugh.（我有一个总是让我笑的朋友。
）例2：The car that I bought last year is very reliable.（我去年买的车非常可靠。
）2. 代替不确定身份或不具名字的人或物That还可用来代替不确定身份或没有具体名字的人或物。
例3：Do you know anyone that can help us with the project?（你认识哪个能帮助我们完成这个项目的人吗？）例4：Is there a restaurant around here that serves vegetarian food?（附近有一家供应素食的餐馆吗？）3. 引导间接引语中的宾语从句That也可在间接引语中引导宾语从句。
例5：She said that she would come to the party.（她说她会来参加派对。
）例6：I heard that they are getting married next month.（我听说他们下个月要结婚。
）三、who的用法1. 引导限定性定语从句Who通常用于引导修饰人的限定性定语从句。
它指代先行词为人的情况。
例7：The woman who is sitting next to me is my sister.（坐在我旁边的那个女人是我姐姐。
）例8：He is a doctor who specializes in cardiovascular diseases.（他是一名专门研究心血管疾病的医生。
that、who、which引导的定语从句
定语从句------关系代词1.who指人，在从句中做主语(1)The boys who are playing football are from Class One.(2)Yesterday I helped an old man who lost his way.2. whom指人，在定语从句中充当宾语，常可省略。
(1) Mr. Liu is the person (whom) you talked about.注意：关系代词whom在口语和非正式语体中常用who代替，可省略。
(3) The man who/whom you met just now is my friend.3. which指物，在定语从句中做主语或者宾语，做宾语时可省略(1) Football is a game which is liked by most boys. ( which 在句子中做主语)(2) This is the pen (which) he bought yesterday. ( which 在句子中做宾语)4. that指人时，相当于who或者whom；指物时，相当于which。
在宾语从句中做主语或者宾语，做宾语时可省略。
(5) The people that/who come to visit the city are all here. (在句子中做主语)(6) Where is the man that/whom I saw this morning? (在句子中做宾语)5. whose通常指人，也可指物，在定语从句中做定语(1) He has a friend whose father is a doctor.(2) I lived in a house whose roof has fallen in.whose指物时，常用以下结构来代替(3)The classroom whose door is broken will soon be repaired.=The classroom the door of which is broken will soon be repaired.(5)Do you like the book whose color is yellow?=Do you like the book the color of which is yellow?1。
who的定语从句
who的定语从句who的定语从句导语：以下是店铺精心为大家整理的有关who的定语从句的分析，希望对大家有所帮助，欢迎阅读。
是定语从句被修饰的词叫先行词。
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。
定语从句由关系词（关系代词、关系副词）引导，关系代词、关系副词位于定语从句句首。
一、who引导的定语从句的先行词是表示人的名词或代词。
如：The studentwhois answering the question is John. 正在回答问题的那个学生是约翰。
Anybodywhobreaks the laws will be punished. 任何违反法律的人都将受到惩罚。
二、who是主格，在定语从句中作主语，此时不能省略。
如：The personwhowas here yesterday is a musician. 昨天来这儿的那个人是位音乐家。
但在非正式中，who亦可作宾语，且可以省略。
如：The man（who）I saw just now is Mr Li. 我刚才见到的那个人是李先生。
三、在定语从句中，who在人称、数上和其前面的先行词保持一致。
如：Do you know the boywhois standing over there? 你认识站在那边的那个男孩吗？四、若先行词中既有人又有物，关系代词用that而不用who。
如：He watched the children and boxes that filled the car. 他看见了塞满汽车的孩子和箱子。
五、若先行词前面有形容词最高级、序数词修饰，关系代词用that而不用who。
如：Yao Ming is the best basketball player that I know. 姚明是我知道的最好的篮球运动员。
Tom is the first boy that left the room. 汤姆是第一个离开这个房间的男孩。
定语从句只用who的情况
定语从句只用who的情况定语从句只用who的情况引导语：定语从句只用who的情况是？下面由店铺告诉你们吧，欢迎阅读！定语从句只用who的情况在定语从句中who和which都是关系代词，都在句中作主语，that除作主语以外还可以作宾语，指代人或物，而who只能指人。
1.只指人，并且在从句中作主语的情况A.The man who is a new one has rent a flat in downtown of New York for a long time.新来的这个人在纽约市中心租了一栋公寓，有一段时间了。
（the man 指人并在句中作主语）B.The girl who has looked for a job with the help of her tutor is fortunate.这个女孩在导师的帮助下找到了一份工作，她是幸运的。
（the girl 指人并在句中作主语）C.The professor who wrote a book is teaching history.写这本书的专家正在教历史。
（the professor既指人又在句中作主语）2.在非限定性定语从句中作主语，并指人时A.He feel honored to work with Mr.Li, who has good reputation in the business.他感到很荣幸和李先生一起工作，李先生在业界有着良好的声誉。
B.Where is the girl, who was the witness in the severe accident.作为这场严重车祸的目击者的`这个女孩在哪？C.The scientists, who invented a kind of immune medicine.科学家发明了一种免疫性的药物。
3.先行词是god, angel,fairy等词时，用who不用that。
定语从句引导词及用法
定语从句引导词及⽤法 定语从句中会有引导词，那么定语从句引导词有哪⼀些呢?以及他们的⽤法⼜是什么呢? 1. 关系代词有：that,which,who,whom,whose,在定语从句中作主语、宾语中表语，whose作定语。
代⼈的有：who,whom,whose,that;代物的有：that,which,whose.例如： The man who helped you is Mr White.(who代⼈，在定语从句中作主语) That is the person(whom/who/that) you want to see.(whom,who,that代⼈，在定语从句中作宾语，可省略) Im not the fool(that) you thought me to be.(that代⼈，在定从中作表语) A dictionary is a useful book which(=that) tells us the meaning of words(which或that代物，在定从中作主语) 2. 关系副词有：when(指时间)，where(指地点),why(指原因)，在定语从句中作状语。
例如：Would you suggest a time(when) we can have a talk?(when可省略) The house where they live is not very large./This is the reason why he did not came to the meeting. 注意：不是表时间的先⾏词都⽤when引导定从，不是表地点的先⾏词都⽤where引导定从。
例如：Well visit the factory which(=that) makes radios. (which或that在定从中作主语，where不可⽤主语，故不可⽤) They still remember the happy days(which/that) they spent in Beidaihe. (which或that在定从中作spent的宾语，when不可作宾语，故不可⽤) 定语从句引导词及⽤法 引导定语从句的关联词称为关系词，关系词有关系代词和关系副词。
who, whom, whose, that引导的先行词指人的定语从句
who，whom，whose和that作为定语从句的引导词，称为关系代词。
我们现在来看一下先行词指人时，这四个关系代词的使用问题。
下面用句子合并的方法来分析。
一、定语从句用who或that做引导词，在从句中做主语。
把句②变为句①的定语从句，句①中的the boy做定语从句的先行词。
在句②中he指句①中提到的the boy也就是定语从句的先行词，he在句中做主语，因此要用who和that引导定语从句，代替句②中的he，也就是说he就不能出现在定语从句中了。
由此得到句③The boy who broke the window is called Jack.注意：一般情况下定语从句要紧挨先行词。
请把下面每组的两句话合并为一句。
The person must pay for it. / He lost the library book.→The person who lost the library book must pay for it.The boy is very clever. / He is wearing the black jacket.→The boy who is wearing the black jacket is very clever.二、定语从句用who，whom或that做引导词，在从句中做宾语。
因为是做宾语，所以这些引导词可以省略。
请分析下面两个简单句：句①Do you know the young man？句②We met him at the gate.把句②变为句①的定语从句，句①中的the young man做定语从句的先行词。
在句②中him指句①中提到的the young man也就是定语从句的先行词，him在句中做宾语，因此要用whom，that或who引导定语从句，代替句②中的him，也就是说him就不能出现在定语从句中了。
由此得到句③Do you know the young man who/that/whom we met at the gate？(who/that/whom可以省略，句子可以写作：Do you know the young man we met at the gate？)请把下面每组的两句话合并为一句。
定语从句who和that
定语从句who和that定语从句who和that导语：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分，去掉它主句意思往往不明确；以下店铺为大家介绍定语从句who和that文章，欢迎大家阅读参考!定语从句who和thatwho(whom)和that的用法区别详解在定语从句中,关系代词who(whom)和that都可指人和物,在一般情况下,可以互换使用,但在下列情况下值得注意：一、用who(whom) 而不用that的情形(1) 在非限制性定语从句中的先行词指人时,只能用who(whom).如：My sister,whois studying abroad,sent me a beautiful present just before this Christmas.我姐姐,她在国外,就在圣诞节前给我寄来了漂亮的礼物.(2) 当定语从句对指人的先行词进行隔位修饰时,只能用who(whom).如：Do you know the girl in front of the blackboardwhois speaking to the students?你认识黑板前面正在给学生们讲话的那位女孩子吗?(3) 当先行词为people和those时,只能用who(whom).如：Thosewhowant to go there come here please.那些想去那儿的人请来这边.(4) 当先行词为one,ones,anyone,everyone,none,all(指人) 时,只能用who(whom).如：Anyonewhois against us is our enemy.任何反对我们的人就是我们的敌人.(5) 先行词指人,而关系代词在从句中作主语时,一般多用who.如：The manwhocame here yesterday said he would come againin a few days.昨天来这儿的那个人说过几天他会再来.(6) 在there be句型中名词的定语从句多用who(whom).如：There are students in our classwho/ whom you have met.我们班有些学生你见过.(7) 当句子中有两个指人的现行词分别带有两个定语从句时,若一个定语从句的引导词为that,那么,另一个定语从句的引导词必定为who.如：The boy that you met just now is Li Ming’s brotherwhojust graduated from a university.刚才你会到的.那个男孩是李明的刚从大学毕业的弟弟.二、用that 而不用who(whom)的情形(1) 当先行词前面有形容词的最高级或序数词修饰时,引导词只能用that.如：The tallest player that plays football for our team is from Shandong.在为我们队踢足球的最高哪个运动员来自山东.(2) 当先行词前面有only,some,any,no,every,little,few,much,all,very形容词修饰时,引导词只能用that.如：He is the only student that said “no” to the teacher.他是唯一的一个对老师说“不”的学生(3) 当主句是以who开头的特殊疑问句时,引导词只能用that.如：Whois woman that you talked with just now?刚才跟你谈话的那位妇女是谁?(4) the same as 与 the same thatthe same as所引导定语从句的内容与先行词同类而不同物；the same that表示所引导的从句内容与先行词同类同物,即：同一事物.如：She is wearing the same coat that I lost a few days ago.她正穿着我几天前所丢失的上衣.She is wearing the same coat as I lost a few days ago.她正穿着跟我几天前所丢失的上衣同样的上衣.【定语从句who和that】。
who(whom)和that的用法区别详解
定语从句中：who (whom) 和that的用法区别详解在定语从句中,关系代词who (whom) 和that都可指人和物,在一般情况下,可以互换使用,但在下列情况下值得注意：一、用who (whom) 而不用that的情形(1) 在非限制性定语从句中的先行词指人时,只能用who (whom).如：My sister,who is studying abroad,sent me a beautiful present just before this Christmas.我姐姐,她在国外学习,就在圣诞节前给我寄来了漂亮的礼物.(2) 当定语从句对指人的先行词进行隔位修饰时,只能用who (whom).如：Do you know the girl in front of the blackboard who is speaking to the students?你认识黑板前面正在给学生们讲话的那位女孩子吗?(3) 当先行词为people和those时,只能用who (whom).如：Those who want to go there come here please.那些想去那儿的人请来这边.(4) 当先行词为one,ones,anyone,everyone,none,all(指人) 时,只能用who (whom).如：Anyone who is against us is our enemy.任何反对我们的人就是我们的敌人.(5) 先行词指人,而关系代词在从句中作主语时,一般多用who.如：The man who came here yesterday said he would come again in a few days.昨天来这儿的那个人说过几天他会再来.(6) 在there be句型中名词的定语从句多用who (whom).如：There are students in our class who / whom you have met.我们班有些学生你见过.(7) 当句子中有两个指人的现行词分别带有两个定语从句时,若一个定语从句的引导词为that,那么,另一个定语从句的引导词必定为who.如：The boy that you met just now is Li Ming’s brother who just graduated from a university.刚才你会到的那个男孩是李明的刚从大学毕业的弟弟.二、用that 而不用who (whom)的情形(1) 当先行词前面有形容词的最高级或序数词修饰时,引导词只能用that.如：The tallest player that plays football for our team is from Shandong.在为我们队踢足球的最高哪个运动员来自山东.(2) 当先行词前面有only,some,any,no,every,little,few,much,all,very形容词修饰时,引导词只能用that.如：He is the only student that said “no”to the teacher.他是唯一的一个对老师说“不”的学生(3) 当主句是以who开头的特殊疑问句时,引导词只能用that.如：Who is the woman that you talked with just now?刚才跟你谈话的那位妇女是谁?(4) the same as 与the same that三、the same as所引导定语从句的内容与先行词同类而不同物；the same that表示所引导的从句内容与先行词同类同物,即：同一事物.如：She is wearing the same coat that I lost a few days ago.她正穿着我几天前所丢失的上衣.She is wearing the same coat as I lost a few days ago.她正穿着跟我几天前所丢失的上衣同样的上衣.。
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引导定语从句的关系代词who,which有时可与that互换使用。
但在下面情况，一般只用that。
一、当先行词为不定代词anything, everything, nothing, any, little, one, few, much, all, none 等时。
如：a.There isn't much that I can do. b.He is one of the few that can work it out in five minutes.二、当先行词是形容词最高级或被形容词最高级修饰时。
如：a.The book is the best that I have read. b.This is the biggest laboratory that we have ever built in our university.三、当先行词是序数词或其被序数词修饰时。
如：a. It is the third one that I've bought.b.This is the first place that I've ever visited.四、当先行词被the very, the only等词修饰时。
如：a.Is this the very museum that you visited the other day? b.This is the only book that I need at present.五、当先行词包含了人和事物两方面的含义时。
如：They talked of things and persons that they remembered in the school.六、当先行词被same修饰，且指“同一物品”时。
如：She is wearing the same dress that she wore yesterday.七、关系代词在定语从句中作表语时。
如：a.This is no longer the place that it used to be.b.He is not the man that he was.八、当主句是以who,which开头的特殊疑问句或先行词是who时。
如： a.Which is the book that he bought yesterday? b.Who that you have ever seen can beat him in定语从句是由关系代词和关系副词引导的从句，其作用是作定语修饰主句的某个名次性成分，定语从句分为限定性和非限定性从句两种。
一、限定性定语从句1. that即可代表事物也可代表人，which代表事物；它们在从句中作主语或宾语，that在从句中作宾语时常可省略关系词，which在从句中作宾语则不能省略。
而且，如果which 在从句中作“不及物动词＋介词”的介词的宾语，注意介词不要丢掉，而且介词总是放在关系代词which的前边，但有的则放在它原来的位置2. which作宾语时，根据先行词与定语从句之间的语义关系，先行词与which之间的介词不能丢3. 代表物时多用which，但在带有下列词的句子中用that而不用which，这些词包括all, anything, much等，这时的that常被省略4. who和whom引导的从句用来修饰人，分别作从句中的主语和宾语，whom作宾语时，要注意它可以作动词的宾语也可以作介词的宾语5. where是关系副词，用来表示地点的定语从句6. when引导定语从句表示时间（〔注〕值得一提的是，表示时间“time"一词的定语从句只用when引导，有时不用任何关系代词，当然也不用that引导）By the time you arrive in London, we will have stayed there for two weeks.I still remember the first time I met her.Each time he goes to besiness trip, he brings a lot of living necessities, such as towers, soap, toothbrush etc.7. whose是关系代词，修饰名词作定语，相当于所修饰成分的前置所有格8 当从句的逻辑主语是some, any, no, somebody, anybody, nobody, something, anything, everything或nothing时，常用there is来引导二、非限定性定语从句：非限定性定语从句的作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句拿掉后其他部分仍可成立1. which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分2. 在引导限定性定语从句时，that有时相当于in which, at which, for which或at which Attitudes towards daydreaming are changing in much the same way that(in which) attitudes towards night dreaming have changed. 人们对白日做梦的态度正在改变，这与人们对夜间做梦的看法的变化有非常相似之处I like the music for the very reason that(for which) he dislike it. 我出于某种原因喜欢这种音乐，而他恰恰与我相反We arrived the day that(on which) they left. 刚好我们到的那天他们走了。
3有时as也可用作关系代词4在非限定性定语从句中，不能用that，而用who, whom代表人，用which代表事物.一.定语从句及相关术语1.定语从句：修饰一个名词或代词的从句称为定语从句，一般紧跟在它所修饰的先行词后面。
2.关系词：引导定语从句的关联词成为关系词（关系词有关系代词和关系副词。
关系代词有that, which, who, whom, whose, as等；关系副词有where, when, why等）关系词常有3个作用：1，引导定语从句。
2，代替先行词。
3，在定语从句中担当一个成分。
二.关系代词引导的定语从句1.who指人，在从句中做主语The boys who are playing football are from Class One.2.whom指人，在定语从句中充当宾语，常可省略Mr. Liu is the person (whom) you talked about on the bus（注意：关系代词whom在口语和非正式语体中常用who代替，可省略）3.which指物，在定语从句中做主语或者宾语，做宾语时可省略Football is a game which is liked by most boys4.that指人时，相当于who或者whom；指物时，相当于which。
在宾语从句中做主语或者宾语，做宾语时可省略The number of the people that/who come to visit the city each year rises one million.5.whose通常指人，也可指物，在定语从句中做定语He has a friend whose father is a doctor.三.介词+关系代词引导的定语从句关系代词在定语从句中做介词宾语时，从句常由介词+关系代词引导The school (that/which) he once studied in is very famous注意：1. 含有介词的动词短语一般不拆开使用，如：look for, look after, take care of等1)This is the watch which/that I am looking for. (T)2)This is the watch for which I am looking. (F)2. 若介词放在关系代词前，关系代词指人时用whom，不可用who或者that；指物时用which，不能用that；关系代词是所有格时用whoseThe man with whom you talked is my friend. (T)The man who/that you talked with is my friend. (F)3. “介词+关系代词”前可有some, any, none, both, all, neither, most, each, few等代词或者数词(1) He loved his parents deeply, both of whom are very kind to him.四．关系副词引导的定语从句1. when指时间，在定语从句中做时间状语The time when we got together finally came2. where指地点，在定语从句中做地点状语Shanghai is the city where I was born3. why指原因，在定语从句中做原因状语Please tell me the reason why you missed the plane（意：关系副词引导的从句可以由“介词+关系代词”引导的从句替换）The reason why/ for which he refused the invitation is not clear,From the year when/in which he was going to school he began to know what he wanted when he grew up限制性定语从句举例The teacher told me that Tom was the only person that I could depend on.非限制性定语从句举例：His mother, who loves him very much, is strict with him.区分定语从句和同位语从句1．定语从句修饰先行词，它和先行词是修饰关系；同位语从句说明先行词的具体内容，是补充说明的关系1)The plane that has just taken off is for London. 定语从句2)The fact that he has been dead is clear. 同位于从句2．定语从句由关系代词或者关系副词引导，关系词在句中充当成分，有时可以省略；同位语从句主要由that引导，在句中一般不做成分；句子也可以由when, where, how, why, whether, what等词引导，充当成分The problem that we are facing now is how we can collect so much money. 定语3. 同位语从句和先行词一般可以用be动词发展成一个完整的句子，而定语从句不可以The idea that we could ask the teacher for advice is wonderful. 同位语。