定语从句中不用that的情况
用who不用that的定语从句
用who不用that的定语从句关于定语从句，我们常常会用到“that”。
但是，还有一个同样强大的关系代词——“who”，它可以用来指代人，在定语从句中使用。
1. 作为主语的who当who作为定语从句中的主语时，指代的是主句中的人。
例句：The man who is sitting next to me is a doctor.（坐在我旁边的那个人是医生。
）注意：如果从句中的谓语动词是不及物动词，那么它的主语就是who，如果是及物动词，则需要再通过从句中添加宾语。
例句：The girl who I saw at the party is my best friend.（我在派对上看到的那个女孩是我的最好朋友。
）2. 作为宾语的who当who作为定语从句中的宾语时，指代的是主句中的宾语。
例句：I met a man who he said he knew you.（我遇见了一个男人，他说他认识你。
）3. 作为介词宾语的who当who作为定语从句中的介词宾语时，指代的是介词后面的人。
例句：The girl with whom I went to the concert is a big fan of the band.（我和这个女孩一起去听音乐会，她是这个乐队的狂热粉丝。
）4. 作为表语的who当who作为定语从句中的表语时，指代的是主句中的主语。
例句：The winner of the competition is who he worked the hardest.（比赛的获胜者是他最努力工作的人。
）总结用who不用that的定语从句，可以使句子更加自然流畅。
在使用时需要注意，作为主语或宾语时要与主句中的人一一对应，作为介词宾语时要放在介词后面，作为表语时要放在谓语动词之后。
熟练掌握这些用法，可以让我们写出更加优美、流畅的句子。
定语从句中that什么情况省略
定语从句中that什么情况省略定语从句中that什么情况省略定语从句中that情况省略？如果关系代词that在从句中做宾语，就可以省略。
如：the flowers （that） I bought yesterday....that指代flowers，在从句中做bought的宾语，就可以省略。
做主语的话就不能省。
如：All that glitters is not gold. 发光的不都是金子。
that在从句中做glitter的主语，所以不能省。
that的用法1．用作代词，代替前面所指的事物，常见于表示比较关系的状语从句中，例如：It is warmer in the south than ( that of )the south.2．引导名词性从句作宾语，即宾语从句，例如：She said ( that ) she would come. I suggested ( that )we ( should ) go home. 3．作关系代词，在定语从句中作表语或宾语，例如：Can I have the records ( that ) I lent you? He is just the man ( that ) you talked about.4．在 way （意为 manner ）后面，that 意思为 in which，例如：Do it the way ( that ) I showed you.5．在表示个人对事物反应、表示重要性或迫切性的.adj后所接的从句中，例如：I am glad ( that ) you are right. It is obvious ( that ) they are happy together.6．so that, so…that, such…that, 结构中，例如：I came to see you so ( that ) you would know the truth. She had so many children ( that ) she didn’t know what to do. I was having such a nice time ( that ) I didn’t to leave.7．用于表示时间的词后面，整个短语相当于when，例如：I joined the army the year/month ( that ) my father died. Mac came to see me the week ( that ) we went camping. The time ( that ) you knocked at the door, my telephone rang. I thought her nice and honest the first time ( that ) I met her. = I though her nice and honest when I met her.8．如果定语从句中的谓语是 there is，作主语的关系代词 that 也常省略，例如： This is the fastest train ( that ) there is to Beijing.【定语从句中that什么情况省略】。
定语从句不用that的情况
定语从句不用that的情况定语从句不用that的情况定语从句中比较容易处理方面是，定语从句中“that”多可省略，表现为关系代词作宾语的情况，下面是店铺给大家整理的定语从句不用that的情况的相关内容，希望能给你带来帮助!（一）定语从句不用that的情况1、不能用that的情况介词前置时；非限定性定语从句中先行词本身是that多用who，不用that的情况先行词为anyone，one，ones时；先行词为those，he和people时；这些词代替指人，whom在定语从句中指人，"who"和“that”既可作主语又可作宾语（作宾语可以省略,who作宾语变为whom），that可以指人也可以指物, who不可指物。
在从句中所起作用如下：（1）Is he the man who/that wants to see you? 他是那个想见你的男人吗？（who/that在从句中作主语）（2）He is the man （whom/that） I saw yesterday. 他就是我昨天见到的那个人。
（whom/that在从句中作宾语）（3）The man whom you spoke to just now is our English teacher. 刚刚和你说话的那个男人是我们的英语老师。
（whom在从句中作宾语）注：who在定语从句中指人，作主语和宾语，作宾语时可省略；做及物动词或介词的宾语，可省略。
which，that 用来指物（有六种情况只可用that而不用which）(用作主语、宾语，作宾语时可以省略），例如：（1）The prosperity which/that had never appeared before took on in the countryside.农村出现了前所未有的繁荣。
（which/that在从句中作主语）（2）The package (which/that) you are carrying is about to comeunwrapped.你拿那个包裹快要散开了。
只用which不用that的用法
只用which不用that的用法1. 当先行词是物，且在定语从句中作介词宾语的时候，就只用 which 不用 that 啦！比如说：The book in which there are many interesting stories is very popular. 这里“in which”就很关键呀，是不是？2. 在非限制性定语从句中，只能用 which 而不能用 that 哦！像这样：He has a lot of friends, which makes him very happy. 你看，这就是典型的只用 which 的情况呀！3. 先行词表示范围，且关系代词在从句中作定语时，也只用 which 不用that。
就像：The house the windows of which were broken was very old. 这窗户破了的房子可真老啊，对吧？4. 当先行词是整个句子时，也得用 which 呀！比如：He said he was busy, which was not true. 他说他忙，这哪是真的呀！5. 如果有两个定语从句，其中一个用了 that，另一个就往往用 which 啦。
例如：The man that I met yesterday is very nice and the book which he gave me is interesting. 这多明显呀！6. 当先行词是动物，且在从句中扮演一定角色时，还是只用 which 不用that 哟！就好像：The dog which is playing with the ball is very cute. 这在和球玩的狗狗多可爱呀！7. 有时候呀，就是习惯上只用 which 不用 that 呢！比如：Which of these books do you like best? 这里用 which 多自然呀！总之呀，记住这些只用 which 不用 that 的用法，会让你的英语更地道哦！。
定语从句that与who别
定语从句that与who别定语从句that与who别引导语：在定语从句中，关系代词who 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，之间的区别：一、用who 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 。
例：My sister, who is studying abroad, sent me a beautiful present just before thisChristmas.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。
例：Do you know the girl in front of the blackboard who is speaking to thestudents?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.例：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。
例：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。
例：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 。
例：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。
定语从句中先行词指人时
定语从句中先行词指人时，who 和that 的区别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)。
定语从句关系词特殊情况
定语从句关系词一、先行词指物，只用that不用whi ch的特殊情况：1、先行词是不定代词all, little, few, someth ing等或被不定代词any, each, every, much, (a) little, (a) few等修饰时。
Eg. Do you have anythi ng that I can do for you? / Thereis much (work) that he can do here.2、先行词是形容词最高级或被最高级所修饰时。
Eg. This is the most intere sting storythat I have heard.3、先行词是序数词（以及last）或被序数词所修饰时。
Eg. This is the firstcity that I visite d in China.4、先行词前有t he very, the only, the just等修饰时。
Eg. This is the very pen that I lost yester day.5、一个句子带有两个定语从句，一个已用wh ich, 为避免重复，另一个只能用that。
Eg. They builtup a factor y whichproduc ed things that sold well.6、先行词既有人又有物时。
Eg. Do you rememb er the things and person s that we oftentalked aboutin our childh ood?7、主句是以wh o或whi ch开头的特殊疑问句时。
Eg. Who is the girl that is standi ng there? / Whichis the car that you bought last night?注：当先行词指人时，除了第6、7条以及有t he same修饰不能用wh o之外，其他情况既能用that又能用wh o/ whom引导。
不能用that的定语从句
不能用that的定语从句定语从句由关系词（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。
下面是店铺为你带来的不能用that的定语从句，欢迎阅读。
不能使用that的定语从句1、主句与从句用逗号隔开，先行词是物时，只用which，不用that。
She heard a terrible noise, which brought her heart into her mouth.2、关系代词前有介词时。
(关系词前有介词时，关系词只能为which或whom)This is the hotel in which you will stay.Who is the teacher to whom Lily is talking?3、先行词是one(s)、anyone、someone、those时，关系词使用who。
Those who want to go to the Great Wall sign up here.定语从句注意事项注意：一、which与that指物时可互相代替，但也有只能用that不能用which引导的'定语从句：口诀：两代限形特疑序①两：先行词词中同时含有“人”和“物”的名词时，定语从句只能用that引导。
I can remember the persons and the pictures that I saw in the room.②代：先行词为everything、something、anything、nothing、all、none、much、little、few等不定代词或被这些不定代词修饰时，定语从句只能用that引导。
Here is all the money (that) I have.③限：先行词同时又被the only、the very或the right修饰时，定语从句只能用that引导。
It is the only word that I know in the passage.④形：先行词同时又被形容词最高级修饰时，定语从句只能用that引导。
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不用that的情况：
a) 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.
b) 介词后不能用
We depend on the land from which we get our food.
c) 多用who 的情况
①关系代词在从句中做主语
A friend who helps you in time of need is a real friend.
②先行词为those, people 时
Those who were either fools or unfit for their offices could not see the cloth.
③先行词为all, anyone, ones, one 指人时
One who doesn't work hard will never succeed in his work.
④在There be句型中
There is a stranger who wants to see you.
⑤在被分隔的定语从句中
A new teacher will come tomorrow who will teach you German.
⑥在有两个定语从句的句子中，其一用who，其二用that,但若先行词后接两个以上的并列定语从句时，后一个必须重复前一个关系代词。
The student who was praised at the meeting is the monitor that is very modest and studies very hard.
There is a teacher who is always ready to help others and who enjoys what he does.。