定语从句which与that之区别和练习

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关于代词that和which的用法区别

关于代词that和which的用法区别：在定语从句中，当先行词是指物时，关系代词which可以由that代替，如果which不在介词之后，也可省略。

在日常用语或口语中，which不作主语时可以省略。

例：Did you take away the book(which/that）I showed you yesterday?你把我昨天给你看的那本书拿走了吗？The hotel at which we stayed was both cheap and comfortable.我们住的那家旅馆既便宜又舒适。

This is certainly not the book for which I paid./This is certainly not the book I paid for.这肯定不是我付钱买的那本书。

但两者之间还有一定的区别，必须予以足够的重视。

一.that仅用在限制性定语从句中，通常不用逗号隔开，作宾语或介词宾语时，that 可以省去。

例：The letter that came this morning is from my father.今晨收到的那封信是我父亲寄来的。

The watch(that)you gave me keeps perfect time.你给我的那块手表走得准极了。

The photographs(that) you're looking at were taken by my brother.你正看的这些相片是我弟弟照的。

二.which既可用在限制性定语从句中，作宾语或介词宾语时，which可以省去，也可用在非限制性定语从句中。

例：Did you see the letter that/which came today?今天来的信你看到了没有？This is the one of which I'm speaking./This is the one I'm speaking of.这就是我说的那一个。

定语从句that和which的区别

定语从句that和which的区别定语从句that和which的区别关于定语从句that和which大家了解过多少呢？可能很多人都不是很清楚，下面就是店铺分享的定语从句that和which的区别，一起来看一下吧。

定语从句that和which的区别1在定语从句中，which 和that 在指代事物时，一般可以互换使用，但并非在任何情况下都是这样，这里介绍宜用that，而不宜用which 的情况。

①先行词为不定代词，all，much，something，everything，anything，nothing，none，the one等，1.We should do all that is useful to the people .2.There's nothing that can be said about it .3.Do you mean the one that was bought yesterday?②先行词被only， any， few， little， no， just， very， one of等词修饰时.1.The only thing that we could do was to wait.2.That's the very word that is wrongly used.The last place (that) we visited was the chemical works.You can take any (=whichever) seat that is free.I hope the little that I can will be of some help to them.比较 *This is one of the best novels that were published last year.*This is the only one of the best novels that was published last year.③先行词是序数词时或被序数词修饰时.1.When we talk about Wuxi， the first that comes into mind is Tai Lake.2.This is the third film that has been shown in our school thisterm.④先行词是最高级或被最高级修饰时.1.This is the best that can be done now.2.The most important thing that should be done right now is how to stop him from going on.⑤先行词既有人又有物，用which和who都不适合，这时宜用that. 如：1.The writer and his novel that you have just talked about is really well known .2.The rider and his bike that had run over an old woman were held up by the police.⑥被修饰词为数词时.1.Yesterday I caught two fish and put them in a basin of water .Now you can see the two that are still alive .⑦如果有两个从句，其中一个关系代词已用which ，另一个关系代词宜用that，以避免语言的单调或重复.Edison built up a factory which produced things that had never been seen before.⑧疑问词是who或which，关系代词宜用that，以避免重复.1. Which is the book that you like best?2. Who is the man that is standing at the gate?⑨主句是There be 结构，修饰其主句的定语从句宜用that 作关系代词. 如：1. There is still a seat in the corner that is still free.⑩被修饰成分为表语时，或者关系代词本身是定语从句的表语时，该关系代词宜用that .1. That's a good book that will help you a lot.2. My home village is no longer the place ( that ) it used to be .定语从句中宜用which而不宜用that 的情况:①当关系代词的前面有介词时.1.A zoo is a park in which many kinds of animals are kept for exhibition.2.Is this the room in which Mr. White lives?②在非限制性定语从句中.1.Crusoe's dog， which was are now very old， became ill and died .2.More and more people are beginning to learn English，which is becoming very popular in our country. (which指代主句)③在一个句子中有两个定语从句，其中一个定语从句的关系代词用了that，另一个宜用which .1. Let me show you the novel，that I borrowed from the library which was newly open to us.2. At the station I bought some magazines that might help me to pass the time on the train and which I could pass on to others when I finished them.④当关系代词后面带有插入语时.1. Here's the English grammar which， as I have told you，will help improve your English.⑤先行词本身是that，宜用which .What's that which she is looking at?⑥先行词是those+复数名词.A shop should keep a stock of those goods which sell best. 定语从句that和which的区别21. 当先行词为all，much，little，none及由any，every，some， no所构成的复合不定代词时。

定语从句中 which,that 的用法与区别

定语从句中 which,that 的用法与区别定语从句中 which, that 的用法与区别在英语语法中，定语从句是用来修饰名词或代词的从句。

其中，which和that是两个常用的关系代词，在定语从句中经常被使用。

本文将就which和that的用法和区别进行探讨。

一、which的用法1. 用于非限定性定语从句非限定性定语从句通常用which来引导，并用逗号与主句分隔开，这种从句对于句子的意思并非必不可少的。

例句：My brother, which is a doctor, works in a hospital.2. 用于代表整个主句的内容有时which可以用来代表整个主句的内容，这种情况下，which后面的动词一般为be动词。

例句：The weather is terrible today, which makes me feel depressed.3. 用于介词后面当which引导的定语从句介词后面是关于整个句子的概括性内容时，我们常使用which。

例句：The book on the table, which I borrowed from the library, is very interesting.二、that的用法1. 用于限定性定语从句限定性定语从句是对名词或代词进行限制性修饰，它不能被省略，通常用that来引导。

例句：The car that is parked outside is mine.2. 用来修饰特定的人或物有时候，that用来修饰特定的人或事物。

它在句中的位置通常比较靠前，且较为强调。

例句：That man that you were talking to is my boss.三、which和that的区别1. 关于使用的限制性which通常用于非限制性定语从句，而that则多用于限定性定语从句。

2. 关于逗号的使用which引导的非限定性定语从句通常与逗号一起使用，而that引导的限定性定语从句则不用逗号分隔。

2014职称英语：that和which引导定语从句的区别

2014职称英语：that和which引导定语从句的区别that和which引导定语从句的区别1.不用that的情况（1）在引导非限定性定语从句时例句：He can speak English fluently，which impressed me most.他的英语讲得很流利，给我留下了最深刻印象。

（2）介词后不能用例句：This is the house in which I have lived for 2 years.这就是我居住了两年的房子。

2.只能用that引导定语从句的情况（1）在不定代词，如：anything, nothing, everything, the one, all, much, few, any, little 等作先行词时，只用that，不用which。

例句：There is nothing that we can use.这里没什么我们可用的东西。

（2）先行词有no, the only, the very, some修饰时，只用that。

例句：This is the very man that I want to meet.这正是我要见的人。

（3）先行词被序数词、形容词最高级修饰时，只用that。

例句：That is the most important thing that I want to know.那是我想知道的最重要的事。

请翻译下列句子I've already told you all that I know.我已经告诉了你我知道的所有的事。

She's the very person that I mentioned this morning.她就是我今天早上提到的那个人。

It's the first time that I miss her.这是我第一次想她。

The second thing that he cared about is money.他关心的第二件事就是钱。

定语从句which与that之区别和练习精编版

定语从句that与which特定用法在定语从句中，当先行词是物时，引导词that和which常常可以通用，但以下几种情况需注意。

注意1只宜于用which，不用that的情况。

(1)先行词为that，those时。

What’s that which is under the desk? 在桌子底下的那个是什么？(2)引导词（关系代词）前有介词时。

This is the room in which he lives. 这是他居住的房间。

注意2只宜于用that，不用which的情况。

(1)先行词是形容词最高级或者它的前面有形容词最高级修饰时。

The film is the most interesting that I have ever seen. 这部电影是我看过的最有趣的一部。

English is the most difficult subject that you will learn during these years. 英语会是这些年你学的最难的科目。

(2)先行词是序数词或它的前面有last或序数词修饰时。

It’s the first film that I saw this year. 这是我今年看的第一部电影。

Tom is always the first that comes to the classroom. Tom总是第一个到教室的人。

(3)主句以疑问词who，which开头时，不用which或who，以避免重复。

Which is the bike that you lost? 哪辆是你丢的自行车？(4)先行词既有人又有物时。

They are taiking about the sutdents and the school that they visited yesterday. 他们正在谈论昨天访问的学生和学校。

(5)先行词是all, much, little, something, everything, anything, nothing, none, the one等代词时。

关于关系代词that和which的用法区别

★关于关系代词that和which的用法区别：在定语从句中，当先行词是指物时，关系代词which可以由that代替，如果which不在介词之后，也可省略。

在日常用语或口语中，which不作主语时可以省略。

This is certainly not the book for which I paid./This is certainly not the book I paid for.这肯定不是我付钱买的那本书。

但两者之间还有一定的区别，必须予以足够的重视。

一.that仅用在限制性定语从句中，通常不用逗号隔开，作宾语或介词宾语时，that 可以省去。

例：The letter that came this morning is from my father.今晨收到的那封信是我父亲寄来的。

The watch(that)you gave me keeps perfect time.你给我的那块手表走得准极了。

The photographs(that) you're looking at were taken by my brother.你正看的这些相片是我弟弟照的。

二.which既可用在限制性定语从句中，作宾语或介词宾语时，which可以省去，也可用在非限制性定语从句中。

例：Did you see the letter that/which came today?今天来的信你看到了没有？This is the one of which I'm speaking./This is the one I'm speaking of.这就是我说的那一个。

定语从句 that which who的区别

5、关系代词that和which的区别（1)相同点这两个关系代词引导定语从句时，都可以指物；在从句中都可作主语或宾语；作宾语时都可省略。

The train that ( which ) has just left is for Shanghai.刚开的那列火车是去上海的。

(作主语)The film that(which) we saw last night is wonderful.我们昨天晚上看的电影好极了。

(作宾语，可省略) （2）用that，不用which的情况①当先行词是不定代词或被它们修饰时。

all, everything, nothing, something, anything, little等不定代词时（something之后也可用which）。

To get the job started, all that I need is your permission.要开始工作，我所需要的是你的许可。

Is there anything that I can do for you?有什么要我做的事吗?He answered few questions that the teacher asked.他几乎没有回答老师的那些问题。

②当先行词被形容词最高级或序数词修饰时。

This was one of the most interesting books that were sold in this book store.这是这家书店售出的最有趣的书之一。

The first thing that should be done is to get some food.该做的第一件事是弄点吃的。

③当先行词有the very，the only，the same等修饰时。

That’s the only thing that we can do now.目前我们只能这样了。

Those are the very words that he used.那就是他的原话。

A定语从句which与that,as和which

定语从句中which和that的区别只能用that的情况：<1>关系代词在定语从句中作表语（或先行词在主句中做表语），不管是人或物只能用that。

He is not the man that he was when I first saw him.【他现在不是我第一次见他时那样的。

】<2>当先行词即指物又指人时，多用that引导定语从句。

Look at the girl and the dog that are crossing the street.【瞧正在过马路的那个女孩和那只狗。

】<3>当先行词是有生命的动物或人时，宜使用that而不是which。

1.What's the name of the animals that jumps about?【四处蹦跳的动物叫什么名字？】2.Who is the girl that talked to you yesterday?【昨天和你说话的女孩儿是谁？】<4>当先行词被形容词的最高级修饰时引导定语从句的关系代词只能用that，而不能用which。

This is the most interesting book that I've ever read.【这是我所读过的最有趣的书。

】<5>当先行词被something,anything,nothing,everything all,little,much, the one,none等时，引导定语从句多用关系代词that。

1.The goverment has promised to do all that lies in its power to alleviate the hardships of people.【政府承诺尽其一切力量减轻人民的苦难。

】2.When we see anything that happen on the island, we're so glad. 【当我们看到岛上发生的事情，我们都如此兴奋。

定语从句关系代词that和which的用法与区别

定语从句关系代词that 和which 的用法与区别that 和which在定语从句中都是做关系代词，指代先行词是事物的名词或代词（that还可以指代人，which 不可以）。

通常情况下二者可以互换。

区别：关系代词用that（不用which）的情况：1. 先行词是all, anything, everything, nothing等,关系代词应用thatThat's all that he told me.2.先行词前有the only, the same, the very 或no, little, much, any, every, all 等修饰时,关系代词应用thatShe is the only person that I know in this company.3. 先行词前有序数词或形容词最高级修饰时,关系代词常用thatThe first thing that I want to do is to take it away.4. 当先行词同时含有"人"或"物"时,关系代词应用that5. 在固定结构the same...that...; so...that...; such...that...以及it is/was...that...的强调句型中,要用thatThis is the same park that we once visited.6. 如主句以there be开头时,关系代词应用thatThere is a room that has two windows.关系代词用which（不用that）的情况：1. 非限制性定语从句中关系代词一般要用whichShe won the competition, which made the whole family very happy.2. 关系代词前如有介词,关系代词须用 which; 如把介词移至句末,可用that(或省略)There’s only one problem about which they disagree.This is the key (that) she was looking for.3. 如果先行词是that,关系代词应用 whichI know that which you told me.4. 如先行词和定语从句之间被其它较长的成分分隔,常用whichLarry told her the story of the young airman which I narrated at the beginning of this book. (先行词为story)5. 在"those+复数形式的名词"结构中,其后的关系代词多用whichA shop should keep a stock of those goods which sell best.6. 一个句子中如有两个定语从句,第一个定语从句用了关系代词that,第二个从句中的关系代词宜用which;但在平行结构中,应重复同一个关系代词This is the book that you bought which you have lost.。

定语从句that和which以及who的用法实用

定语从句that和which以及who的用法实用定语从句是修饰名词的从句，常用的引导词有that、which和who。

它们的用法如下：1. that引导的定语从句：-用于修饰人或物，在从句中既可以作主语也可以作宾语。

-可用于限定性定语从句和非限定性定语从句。

-通常不用逗号与主句隔开。

限定性定语从句的例子：- The book that I bought yesterday is very interesting.- I have a friend that can speak five languages.非限定性定语从句的例子：- My brother, that lives in New York, is a lawyer.2. which引导的定语从句：-只用于修饰物，不能修饰人。

-通常用于非限定性定语从句。

-用逗号与主句隔开。

非限定性定语从句的例子：- I bought a new car, which is very fast.3. who引导的定语从句：-只用于修饰人。

-可用于限定性定语从句和非限定性定语从句。

-通常不用逗号与主句隔开，但在非限定性定语从句中使用逗号。

限定性定语从句的例子：- The girl who is sitting next to me is my sister.- We need to find a person who can speak French.非限定性定语从句的例子：- The CEO, who was born in Australia, speaks fluent Mandarin.。

在定语从句中that与which的区别与联系

在定语从句中that与which的区别与联系定语从句用来修饰名词，并且通常由关系词引导。

在英语中，that和which常用作定语从句的引导词，它们有区别和联系如下：区别：1. 引导词位置：that在定语从句中可以作为主语或宾语，通常不用逗号与主句连接；which通常作为主语或非限制性定语从句的引导词，前面使用逗号与主句分开。

例句：- I have a book that/which is very interesting. (that/which作主语) - We visited the Eiffel Tower, which is a famous landmark. (which 作非限制性定语从句的引导词)2. 表达限制性与非限制性从句的能力：that通常用于限制性定语从句，而which一般用于非限制性定语从句。

例句：- The book that I bought yesterday is really good. (that作限制性定语从句引导词)- My car, which is parked over there, needs to be fixed. (which作非限制性定语从句引导词)3. 非人称名词：that可以用于修饰人或物，而which一般用来修饰物，特别是在引导非限制性定语从句时。

例句：- The house that/which I live in is very old. (that/which都可用) - The car, which is parked over there, needs to be fixed. (which作非限制性定语从句引导词)联系：1. 引导词用法的选择：在某些情况下，that和which作为引导词在定语从句中可以互换使用，尤其是当句子仅有一个从句时。

例句：- I have a book that is very interesting. (that作引导词)- I have a book, which/that is very interesting. (which/that作引导词)2. 描述性从句：both that和which可以用于引导描述性定语从句，这种从句用来给出对先行词的描述或解释。

定语从句中的that和which的区别

定语从句which与that之区别首先，that和which在从句里都能够做宾语和主语，做宾语时能够省略。

在定语从句中,有种说法叫"关宾省",意思是关系代词在限制性定语从句中作宾语能够省略,不管是that，which，还是whom。

但是which能引导非限制性定语从句，that则不行。

其次，记得以下只能用that的几种情况：1. 当先行词为all, much, little, none及由any, every, some, no所构成的复合不定代词时。

如：We should do all that is useful to the people. 我们应该做一切有益于人民的事情。

Please tell me anything that you know about the matter. 相关此事，凡是你所知道的请告诉我。

2. 当先行词被any, few, little, no, all, much, some等词修饰时。

如：You can take any seat that is free. 任何空着的座位你都能够坐。

There is little work that is fit for you. 几乎没有适合你的工作。

3. 当先行词为序数词或被序数词所修饰时。

如：When people talk about the cities of China, the first that comes to my mind is Beijing. 人们谈论起中国的城市的时候，我首先想到的是北京。

This is the fourth film that has been shown in our school this term. 这是我们校本学期放映的第四部电影。

4. 当先行词为形容词最高级或被形容词最高级修饰时。

如：The best that I could do was to apologize. 我唯一能做的就是赔礼道歉了。

定语从句which和 that的用法区别

定语从句which和 that的用法区别定语从句which和that的用法区别定语从句是英语语法中常见的修饰成分，它可以在句子中作为形容词修饰名词或代词。

在定语从句中，which和that都可以引导从句，但是它们在使用上有一些区别。

本文将详细介绍which和that的用法区别。

一、用法区别：1. 引导非限定性定语从句：which非限定性定语从句是指对名词或代词进行额外的解释或补充，此时只能使用which引导从句。

非限定性定语从句通常使用逗号将其与主句隔开。

例如：The book, which is on the shelf, is mine.（这本书在书架上，是我的。

）2. 引导限定性定语从句：which和that限定性定语从句限定或限制了名词或代词的范围，这时既可以使用which，也可以使用that引导从句。

限定性定语从句通常不能省略，因为它对名词的意义起到了限定作用。

使用which或that时，意义上没有明显的区别。

但在口语中，通常更倾向于使用that。

例如：The book that/which I bought yesterday is very interesting.（我昨天买的那本书非常有趣。

）二、位置区别：1. 使用which引导的定语从句通常可以放在句首或句末，不会影响整个句子的结构。

例如：The car, which was parked outside, caught fire.（停在外面的那辆车着火了。

）The meeting, which will start at 9 o'clock, is important.（将在9点开始的会议很重要。

）2. 使用that引导的定语从句通常放在名词之后，对整个句子的结构有较强的影响。

例如：The book that I bought yesterday is very interesting.（我昨天买的那本书非常有趣。

）The house that Jack built is made of bricks.（杰克建造的那座房子是用砖砌成的。

定语从句以及that与which用法的区别

定语从句以及that与which用法的区别定语从句一、什么是定语？二、什么是定语从句？定语从句是由关系代词或关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，所以有称为形容词性从句，一般紧跟在它所修饰的先行词后面。

The girl who is standing under the tree is my sister.先行词起连接、替代和充当句法成分的作用。

三、限定性和非限定性定语从句1、形式上：限定性定语从句不用逗号，而非限定性定语从句则要用逗号；2关系词的使用上：非限定性定语从句不可用that；当关系词充当宾语时，限定性定语从句的关系词可以省略。

3、非限定性定语从句中，先行词可以是整个主句He is always late for school, which makes his head teacher very angry.四、定语从句的先行词（一）、只用that不用which的情况1、当先行词是everything、anything、nothing（something 除外）、all、none、little、some等代词时，或当先行词受every、any、等代词修饰时。

例：There seems to be nothing that is impossible to him in the world.There is little that I can do for you.2、当先行词被序数词修饰时例：The first place that I visited in China is the Great Wall.3、先行词被形容词最高级修饰时例：This is the best film that I have ever seen.4、当先行词被the only、the very、the last、the same等修饰时This is the very pen that I lost.5、当先行词前面有who，which等疑问代词时例：Who is the man that is standing by the gate？Which is the T-shirt that fits me most?6、当先行词是人与动物或人与物时例：They talked about the persons and things that they remembered at school.Look at the man and his lovely dog that are walking up the street.7、当先行词为物并为从句的表语时例：China is no longer the country that it used to be.8、在there be句型中There are many books that I’m interested in three.9、当先行词是the way或the reason时that可做关系副词，也可以省略Could tell me the way that you worked out the problem?10、当先行词指人时，当然，有时也可以用whoAny man that/who has a sense of duty won’t do such a thing.（二）、只用which不用that的情况1、引导非限定性定语从句时The book, which my aunt gave me last week, is very interesting.2、先行词指物，且引导词前有介词This is the house Luxun was born.3、一个句子若有两个定语从句，一个用that引导，另一个用which引导He bought a book that could give him much knowledge andwhich could help him to kill the time.4、在关系从句中，which可作为限定词与名词连用。

which以及which和that的区别

Which的特殊用法1）在非限制性定语从句中，which 可以代表主句的一部分，甚至全部，而不仅仅限于一个名词或代词：This I did at nine o’clock, after which (=doing it) I sat some time reading the paper.我九点钟做了这事，之后我就坐着看了一会儿报。

He said he had never seen her before, which was not true.他说他以前从未见过她，这不是真的。

2）which有时在从句中作定语：He advised me to hide behind the door, which advice I took at once.他让我躲在门后，我立即照着做了。

She may not be in, in which case you could leave her a note.她可能不在家，如果是那样你可以给她留个条。

在书面语中，有时把这类从句单列成一句：From which he learned a few lessons which were later of value to him.从中他得到了一些教训，对他后来很有用处。

3）which还可以和不定式一起用：Allow me one minute in which to change my costume.给我一点时间去换装。

Now he had no pretext on which to stay in the house.现在他没有什么借口再这家待下去了。

4）which 有时还可以表示“任何一个”，意思和whichever差不多：You may have which apple you like. 你想要哪个苹果就拿哪个。

Take which dresses you want from my wardrobe. 想要什么衣服就从我的衣柜里拿。

定语从句中that和which的用法及区别

定语从句中that和which的用法及区别一，相同点这两个关系代词引导定语从句时，都可以指物，在从句中都可作主语或宾语，作宾语时都可省略。

例如:The train that (which) has just left is for Shanghal. (作主语)刚开的那列火车是去上海的。

The film that( which) we saw last night is wonderful. (作宾语，可省略)我们昨天晚上看的电影好极了。

二、不同点〈一〉以下情况常用that,一般不which。

1.当先行词基不定代词或被它们修饰时，例如:Is there anything that I can do for you?有什么要我做的事吗?All that can be done must be done.凡能做的事情都必须做。

He answered few questions that the teacher asked.他几乎没有回答老师的那些问题。

2.当先行词被形容词最高级或序数词修饰时。

例如:This was one of the most interesting books that were sold in this bookstore.这是这家书店售出的最有趣的书之一。

The first thing that should be done is to get some food.该做的第一件事是弄点吃的。

3. 当先行词有the very , the only, the same等修饰时。

例如:That's the only thing that we can do now.目前我们只能这样了。

Those are the very words that he used.那就是他的原话。

4. 当先行词是一个既指人又指物的并列词组时。

例如:They were talking about the persons and things that they saw in the factory.他们在谈论在工厂里看到的人和事。

定语从句which与that之区别和练习

定语从句that 与which 特定用法在定语从句中，当先行词是物时，引导词that 和which 常常可以通用，但以下几种情况需注意。

注意1只宜于用which,不用that的情况。

(1) 先行词为that, those时。

What' s that which is un der the desk在桌子底下的那个是什么？(2) 引导词(关系代词)前有介词时。

This is the room in which he lives. 这是他居住的房间。

注意2只宜于用that，不用which的情况。

(1) 先行词是形容词最高级或者它的前面有形容词最高级修饰时。

The film is the most interesting that I have ever seen. 这部电影是我看过的最有趣的一部。

English is the most difficult subject that you will learn during these years. 英语会是这些年你学的最难的科目。

(2) 先行词是序数词或它的前面有last或序数词修饰时。

It s'the first film that I saw this year. 这是我今年看的第一部电影。

Tom is always the first that comes to the classroom. Tom 总是第一个到教室的人。

⑶主句以疑问词who，which开头时，不用which或who，以避免重复。

Which is the bike that you lost? 哪辆是你丢的自行车？(4) 先行词既有人又有物时。

They are taiking about the sutdents and the school that they visited yesterday. 他们正在谈论昨天访问的学生和学校。

(5) 先行词是all, much, little, something, everything, anything, no thi ng, none, the one等代词时。

which和that的用法区别技巧

which和that的用法区别技巧
which和that的用法区别有：
引导非限制性定语从句时，通常要用which。

直接放在介词后作宾语时，通常要用which。

当先行词有the very，the only，the same等修饰时，通常用that。

当先行词有形容词最高级或序数词等修饰时，通常用that。

扩展资料
Which period of history would you most like to have lived in?
你最喜欢生活在哪一个历史时期？
You must signal which way you are going to turn.
你要朝哪个方向转，必须发出信号。

There are two points which I wanted to make.
我想要指出的有两点。

The school's approach must be complementary to that of the parents.
学校与家长的教育方法必须相辅相成。

I find it interesting that she claims not to know him.
她声称不认识他，我觉得真是耐人寻味。

Oh come now, things aren't as bad as all that.
哦，好啦，情况并不是那么糟。

《牛津高阶英汉双解词典》。

(完整版)定语从句which与that之区别

专题2定语从句which与that特定用法注意1 that /which在代物时常常可以通用,但有时只宜于用which ，不用that(1）关系代词前有介词时.This is the hotel in which you will stay。

（2）如有两个定语从句，其中一句的关系代词是that,另一句宜于用which.Let me show you the novel that I borrowed from the liberary which was newly open (新开放） to us.注意2 that/which在代物时常常可以通用，但有时只宜于用that ，不用which。

(1) 先行词是形容词最高级或者它的前面有形容词最高级时This is the best that has been used against air pollution（反对空气污染) in cities.English is the most difficult subject that you will learn during these years。

(2）先行词是序数词，或它的前面有一个序数词时He is the last person that I want to see。

（3）主句中已有疑问词时Which is the bike that you lost?（4) 先行词既有人又有物时The bike and its rider that had run over （撞倒了)an old man were taken to the police station。

(5) 先行词是all, much, little， something， everything， anything， nothing， none, the one 等代词时（说白了这些词人不人物不物）You should hand in all that you have。