只用THAT作关系代词的场合
定语从句关系代词只用that的四种情况
定语从句关系代词只用that的四种情况定语从句是英语句子的一种形式，用来描述或定义名词。
关系代词在定语从句中充当连接词，将定语从句引入主句中，起到结构完整化的作用。
在定语从句中，关系代词的种类有很多，其中较为特殊的是只用“that”的情况，本文将详细介绍这种情况下的用法及注意点。
一、定义关系代词”that“是用来连接定语从句和主句的重要连词，在英语中十分常见。
它的形式既可以作主语也可以作宾语，常用于定语从句中，引导一个话题在从句中被进一步解释。
二、使用情况在英语定语从句中，that只有在严格的语法环境中词法才是唯一的选择，情况包括以下四种。
1.介词之后：当先行词是介词时，关系代词只能用that。
例如，“the book that I am reading”中的that是引导定语从句的关系代词。
假如在这个句子中，你用which来代替that，那么这个从句仍然可以理解，但这样使用是错误的。
正确：The book that I am reading.错误：The book which I am reading.2.形容词之后：如果形容词修饰名词，其中包含有定语从句，而先行词又在从句里作宾语，就必须使用that。
例如，“This is the man that I saw on TV yesterday”。
正确：This is the man that I saw on TV yesterday.错误：This is the man which I saw on TV yesterday.3.最高级别形容词之后：当最高级别形容词修饰的名词在定语从句中作先行词时，只能用that，而不用which或者who。
例如，“This is the best d ay that I've ever had in my life”。
正确：This is the best day that I've ever hadin my life.错误：This is the best day which I've ever had in my life.4.不定代词之后：不定代词（如something，anything，nothing，everyone，everybody等）以及不定副词（如somewhere，anywhere，nowhere等）后面的定语从句，只能用that。
定语从句关系代词只能用that的情况
定语从句关系代词只能用that的情况1.在there + be 的句型中，句子的主语是先行词，而且又是物。
例如：There are two novels that I want to read.我要读的有两本小说。
There is no work that can be done now. 没有什么工作现在能做的了。
2.当先行词为主句的表语或者关系代词为从句的表语时。
例如：This is the book that was bought yesterday.这就是昨天买的书。
Our school is no longer the school that it used to be. 我们的学校不再是以前的学校了。
3.以Here is (are)开头的句子时。
例如：Here is a film that will move anyone.这是一部将使任何人受感动的电影。
Here are two books that I will buy.这是我要买的两本书。
4.It is (high)time +定语从句中。
例如：It is time that we should have a rest.我们应该休息了。
It is high time that they started out. 他们该动身了。
5.当先行词是way等词时，关系代词用that或者in which在定语从句中作方式状语时，在口语中，常可省略。
例如：This is the way that my father did this work.这就是我父亲做此工作的方式。
She admired the way in which I answered the questions.她羡慕我回答问题的方式。
6.在双重限定性定语从句中，如果一个从句用who或者which引导时，那么另一个从句用that 引导。
例如：He is the student that I have ever see who can jump highest.他是我曾经看到过跳得最高的学生。
关系代词that 的用法
关系代词that 的用法。
首先，that 只能用在限制性定语从句中。
介词后面不能跟that, 只能跟which。
在下列情况下，只宜用that, 不宜用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。
English is the mostdifficult subject that youwill learn during theseyears.2. 先行词是序数词或它前面有一个序数词时。
He is the last person that I want to see.3．主语已经有who, which 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 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。
I mean the one that you talked about just now.We haven’t got much that we can offer you.6．先行词前面有only, any, few, little, no, all, one of, the same, the very 等词修饰时。
Li Ming is the only one that got full marks in our class. Li Ming is one of the students that want to beteachers in our class.7. 有两个定语从句，其中一个关系代词已用which, 另一个宜用that。
Edison built up a factory which produced things that had never been seen before.。
关系代词的 that, which的专用场合
关系代词that 和which 都可指屋，在定语从句中作主语或定语时，一般可以互换，但各自也有专用场合。
一有下列情形之一时，一般用that。
如：1 当先行词前面有形容词最高级或者序数词修饰时。
例如：These are the cleanest parks that you can imagine.This is the first thing that I afford by myself.2当先行词是不定代词all, anything , everything, something,nothing, little, few, much, none等时。
All that can be done has been done.This book contains little that is interesting and useful.3当先行词被both, all, every , no, any, much等修饰的时候。
如：There is no book that I like to read here.4当先行词为人，物共存的时候。
如：Can you tell me the person and place that you would like to visit?5 当先行词前面有the very, only, last 等表示唯一概念的词修饰的时候。
如：This is the very problem that I cannot answer.This is the last thing that I would like to do.5当定语从句的谓语动词是be，需要关系代词作表语的时候。
My computer is no longer the machine that it was.6当主句是由which或who引起的特殊疑问句时。
如：Which is the computer that you want to use?Who is the man that you spoke to just now?7当先行词是数词的时候。
定语从句小结(2)---只用that的情况讲解及练习
定语从句小结（2）---只用that的情况及练习英语中的定语从句中，有时关系代词只能用that不用which . 主要有以下几种情况：1.先现行词是不定代词all, few, little, much, anything, something, nothing, everything 等时。
Do you know everything(that) he said?He bought nothing (that ) he was interested in.Little that is important is done.2.先行词被all, any, every, few, little, no, some 等修饰时。
All the books that were published last year were very valuable.Every boy(that)the teacher taught in that school is smart.3.先行词被序数词、形容词的最高级以及the only, the very, the last等词修饰时。
This is the very book (that ) I am looking after.The only computer that was bought in the shopping mall is broken.4.先行词同时包含了人和物时。
He still remembers the things and the persons (that) he knew at school ten years ago.5.先行词在定语从句中作to be 的表语时。
The boy is that boy (that ) he used to be6.以who 或者which 开头的句子里含有定语从句并且关系代词在定语从句中作主语、宾语或表语时。
语法中that的用法
“that”在英文中是一个使用频率很高的单词。
它有四种词性，并且句法及语法功能纷繁复杂。
同学们如果不能熟练掌握其用法，很可能会形成英语学习的一种障碍，从而影响其学习兴趣和效率。
现将that的用法总结归纳如下：第一、that 用作形容词（后接复数名词时用those）。
它用来指已被提到的人或物；也可表对比，指两个中较远的那个。
What about that book you borrowed from me last month？请注意，that 有时候在句子中具有喜欢或轻蔑等感情色彩。
that little son of his 他那个小宝贝儿子That George！乔治那家伙！（含有轻蔑语气）第二、that 用作代词。
1. that 用作指示代词（复数形式是those），其指代意义同形容词用法，同时它还可以用作定语从句中的先行词；还可为了避免重复，代替前述名词。
That is what he told me.What is that (which) you have got in your hand?The price of rice is higher than that of flour.2. that 用作关系代词，引导限制性定语从句。
先行词可人可物，用法相当于who或which。
（但是在下列情况下多用that：先行词既有人又有物时；先行词有形容词最高级、序数词、不定代词、very，only等修饰时；先行词是不定代词时）He talked about the teachers and schools that he had visited.I think it one of the most wonderful films that the film company has ever produced.She has little information that is useful for our research.Is there anything that I can do for you?请注意，that 在定语从句中作宾语时通常可省略。
只用that不用which的情况口诀
只用that不用which的情况口诀在英语语法中，that和which都是关系代词，用于引导定语从句。
虽然它们的作用相似，但在具体的使用中有一些区别。
本文将介绍一种以只用that不用which的情况口诀，帮助大家更好地理解和运用这两个关系代词。
我们先来了解一下定语从句的基本结构。
定语从句是用来修饰名词或代词的从句，它可以提供更多关于这个名词或代词的信息。
在定语从句中，关系代词that和which用来引导从句。
下面是这两个关系代词的使用区别：1. that用来引导限制性定语从句，该从句对先行词起修饰和限定的作用，去掉从句后，句意仍然完整；2. which用来引导非限制性定语从句，该从句对先行词起补充说明的作用，去掉从句后，句意仍然完整。
下面是只用that不用which的情况口诀：1. 先行词是all, everything, anything, nothing, something，只能用that，不能用which。
例如：I will do everything that I can to help you.（我会尽我所能来帮助你。
）2. 先行词是序数词，只能用that，不能用which。
例如：This is the first book that I read in English.（这是我用英语读的第一本书。
）3. 先行词是最高级形容词，只能用that，不能用which。
例如：This is the best movie that I have ever seen.（这是我看过的最好的电影。
）4. 先行词是指示代词this, that, these, those时，只能用that，不能用which。
例如：I like this dress that you are wearing.（我喜欢你穿的这件裙子。
）5. 先行词是不定代词some, any, none, all, much, little, few, most,等时，只能用that，不能用which。
定语从句中that的用法
定语从句中that的用法定语从句中that的用法1. 不用that的情况(1) 在引导非限定性定语从句时。
(错)The tree, that is four hundred years old, Is very famous here.(2) 介词后不能用。
We depend on the land from which we get our food.We depend on the land that/which we get our food from.2. 只能用that作为定语从句的关系代词的情况(1) 在there be 句型中，只用that，不用which。
(2) 在不定代词，如：anything, nothing, the one, all等作先行词时，只用that，不用which。
(3) 先行词有the only, the very,the same,the last,just修饰时，只用that。
(4) 先行词为序数词、数词、形容词最高级时，只用that,不能用which。
.(5) 先行词既有人，又有物时。
(6) 先行词指物，在主句中作表语时.(7) 为了避免重复.(8) 先行词是the way或the reason时，that可作关系副词，也可省略(9) 主句的主语是疑问词who /which时定语从句中的that和which用法区别that和which在从句里都可以做宾语和主语，做宾语时可以省略。
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可以省略，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。
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：Please tell me anything that you know about the matter.有关此事，凡是你所知道的请告诉我。
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7、只用that作关系代词的场合
（1）被修饰的先行词为不定代词，如all, much, everything, anything, nothing, none, the one, something等时，只能用that。
如：
Is there anything that I can do for you?
（2）先行词被only, very, just, last, one of, all, no, little, few, any等词修饰时，只能用that。
如： ? The only thing that I want to do is to have a rest.
（3）先行词是序数词或被序数词修饰时，只用that。
如：
? He was the first person that passed the exam.
（4）先行词是最高级或被最高级修饰时，只用that。
? This is the best way that can solve the problem.
（5）先行词既有人也有物时，只用that。
如：
? （6）被修饰词为数词时，只用that。
如：
? （7）如果两个从句，其中一个关系代词用which ? （3）当先行词是人，后面有较长修饰语时，只用
（4）为了避免重复或引起歧义，that另一个用who。
如：
（5）当先行词是I，you，he
玩火自焚。
He who doesn
1、先行词是句
“one of +one前有等修饰时，从句的谓语动词要用单数。
如：
定语从句分为限制性定语从句和非限制性定语从句，如：
My brother who lives in New York has six children.（限制性定语从句）
我住在纽约的那个兄弟有六个孩子。
（我的兄弟不只一个。
住在纽约的那位只是其中之一。
）
My brother, who lives in New York, has six children.（非限制性定语从句）
我兄弟有六个孩子，他住在纽约。
（我只有一个兄弟，且他住在纽约。
）
1。