定语从句that和which、who(whom)用法
定语从句，一个简单句跟在一名词或代词后（先行词）进行修饰限定，就叫做 定语从句。下面是小编为你带来的 定语从句that和which、who(whom)用法，欢迎阅读！
定语从句that和which、who(whom)用法1
that和which的用法区别:
在定语从句中，关系代词which和 that都可指物，一般情况下，可以互换使用。但在下列情况下值得注意：
A. 只能用that而不能用which的情形
(1) 当先行词为：all, little, few, much, none 及 some-, any-, no-, every- 与 thing 所组成的复合单词时，只能用that。如：
There is nothing that will stop us making progress. 没有事情会阻止我们进步。
(2) 当先行词前面有only, some, any, no, every, little, few, much, all, very等形容词修饰时，只能用that。如：
This is the only problem that we can’t work out. 这是我们不能解决的唯一的一个问题。
(3) 当先行词由形容词的最高级或序数词修饰时，只能用that。如：
This is the most interesting book that I have ever read. 这是我读过的最有趣的书。
(4) 当先行词同时包括人和物时，只能用that。如：
Luxun and his works that we are familiar with are considered great. 人们认为我们所熟识的鲁迅及其作品都很伟大。
(5) 当先行词在定语从句中作表语时，只能用that。如：
This is a book that I have been looking for since last week. 这就是那本自上周以来我一直在寻找的书。
(6) 当主句是以which开头的特殊疑问句时，只能用that。如：
Which is the picture that you drew yesterday? 你昨天画的那张画是哪一张？
B. 只能用which而不能用that的情形
(1) 当非限制性定语从句中的先行词指物时，只能用which。如：
The pencil-case, which I bought last week, is missing. 那个铅笔盒，我上周买的，现在不见了。
(2) 关系代词前面有介词时，只能用which。如：
The tree under which we used to take a rest has been cut down. 我们过去常在下面休息的那棵树已砍掉了。
(3) 先行词为代词that或that所修饰时，只能用which。如：
I don’t take that which is too expensive. 我不要太贵的那一个。
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 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
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。(暗含：她偷了我的上衣)
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。(暗含：她所穿的上衣不是我所丢失的那一件)
定语从句that和which、who(whom)用法2
that常用作关系代词，可指代某人，也可指代某物，指物时有的时候可用which替换that，指人时可用who替换。但在下列情况下，一般用that。
一、that指代某物事时
1.先行词为all, few, little, much, the one, something, anything, everything, nothing等时。如：
（1）We'll do all that we can to protect the endangered plants and animals.
我们将尽我们的最大努力来保护那些濒危的动植物。
(2) There is much that I wan to tell you.
我有很多想要告诉你的话。
(3) Is there anything that I can do for you?
有什么我可以帮你的吗？
2. 先行词被all, every, no, some, any, (a)few, (a)little, much等限定词修饰时。如：
(4) You can borrow any book that you want to read in our school library.
在我们图书馆，你可以借任何你想读的书。
3. 先行词被序数词或形容词最高级修饰时。如：
（5）This is the most beautiful city that I've ever seen.
这是我见过的最漂亮的城市。
4. 先行词被the only, the very, the right, the last 等修饰时。如：
（6）This is the very factory that they visited last summer holiday.
这恰好是他们去年参观的那个工厂。
（7）This is the only painting in this style that we have.
这种风格的画我们仅有一幅。
5. 先行词是并列结构，既有人又有物时。如：
（8）He talked happily of the writer and his books that interested him.
6. 先行词前有the same 修饰，表示和先行词是同一物时。如：
（9）This is the same purse that I lost yesterday.
这就是我昨天丢的那个钱夹。
注：如果表示的是与先行词同一类或相似的某物，则用the same…as….如：
（10）This is the same purse as I lost yesterday.
这个钱夹和我昨天丢的那个一样。
7. 先行词为数词时。
（11）Look at the books on the bookshelf. You can see the two that you bought me for my birthday.
瞧书架上那些书。你可以看到我过生日时你买的那两本。
8. 如果which引导的定语从句中又含有一个定语从句，为避免重复，第二个定语从句用that。如：
（12）They built a factory which produced things that had never been seen.
他们建了一工厂，生产以前从未见过的东西。
9. 以which作主语开头的特殊问句，为了避免重复，定语从句用that。如。
（13）Which is the bus that you will take?
你要乘的是哪一班车？
10. 关系代词在定语从句中作表语时，而且通常省略。如：
（14）My hometown is no longer the place that it used to be.
我的家乡再也不是以前那个样子了。
11. 关系代词在there be 句型中作主语时,而且常可以省略。如：
（15）This is the fastest train (that) there has ever been.
这是有史以来最快的列车。
二、that 指代某人时。
1. 泛指某人时。如：
（16）He is a man that is never at a loss.
他是一个从未一筹莫展的人。
2. 主句是以作主语的who开头的特殊问句，为了避免重复时。如：
（17）Who is the person that is talking with our headmaster?
和我们校长说话的那人是谁？
3. 先行词前有the same时。如：
（18）This is the same man that gave us a talk last year.
这和去年给我们作报告的是同一人。
4. 关系代词在定语从句中作表语时。如：
（19）He has changed. He was not the man (that) he was 10 years ago.
他变了。他再也不是10年前的他了。
另外，that也可用作关系副词，表示时间、地点、原因和方式，在口语中可以用来代替when, where, why 引导的定语从句。在以下名词day, year, time, moment, reason, place等作先行词时，可用that作关系副词引导定语从句。如：
（20）I'll never forget the day (that) I joined the League.
我永远不会忘记我入团的那一天。
（21）Is this the reason (that) they were late for the meeting?
这就是他们开会迟到的原因吗？
（22）We want to find a place (that) we can have a picnic.
我们想找一个我们能野餐的地方。
（23）This is the first time that I have been abroad for traveling.
这是我第一次到国外去旅游。
（注：先行词是time,前面有序数词或last修饰时，常用that引导定语从句或者省略。）
当先行词为表示方式的词the way时，可用that引导定语从句, that常可以省略。
（24）I don't the way you speak to her.
我不喜欢你和她说话那种方式。
定语从句that和which、who(whom)用法3
高考中常常考查one和that作为普通代词的区别,还常与it进行区别.主要用法如下：
I.it／one ／that三者均可用作代词,指代前面提到的名词.一般说来,it指代同名同物; one与that则指代同名异物.
I have lost my umbrella; I'm looking for it.（该句中it就是指前面的my umbrella）
I have lost my umbrella; I think I must buy one.（one在该句中表泛指,因为my umbrella已经丢了）
The umbrella you bought is cheaper than that I bought.（替代词that在该句中特指“the umbrella I bought”,以区别“the umbrella you bought”）
II.one与that虽可用来指代同名异物,但one为泛指,相当于a／an＋名词; that为特指,相当于the ＋名词.所以one所指代的名词的修饰语一般为 a／an ／some ／any; that所指代的名词的修饰语往往是the ／this ／that.
A chair made of steel is stronger than one made of wood.（该句中one可以换成a chair）
The water in the cup is hotter than that in the pot.（该句中that可以换成 the water）
III.one只能代替可数名词单数,代替可数名词复数时用ones; that既可以代替不可数名词也可以代替可数名词单数,代替可数名词复数时用 those.
I like this pen more than that one.（one代替可数名词单数pen）
There were a few young people and some older ones in the house.（ones代替可数名词复数people）
Mary's handwriting is far better than that of Peter.（that代替不可数名词 handwriting）
These pictures are more beautiful than those.（those代替可数名词复数 pictures）
IV.one既可代替事物,也可代替人,that只能代替事物而不能代替人.有时可以用the one或the ones代替that或those.
The one ／That on the table is mine.（该句中The one代替事物,并且也可以用That）
He is the teacher,the one who is loved by the students.（该句中the one代替人,不能用that）
He advised the farmers to choose the best seed-heads,the ones ／those that had the best color.（该句中the ones代替事物,并且也可以用those）
V.one一般有前置修饰语,有时也可有后置修饰语或不用修饰语.而 that不能有前置修饰语,但可有后置修饰语.
Cook was a strict but good captain,one who took good care of his sailors.
The water in the well is cleaner than that in the river.
VI.it可以替代句中的不定式或从句等,充当形式主语或形式宾语.one与that均无此用法.
It is known to everybody that the moon travels around the earth once every month.
I found it hard to get on with her.
VII.it与that均可以替代上文全句的内容或部分内容,而one ／ones则不可以
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