高中英语几个重要的从句
英语八大从句类型总结
英语八大从句类型总结
从句是复杂句的一种重要组成部分，它可以在句子中起到名词、形容词或副词的作用。
根据从句的功能和结构，英语语法中总结出了八种常见的从句类型。
本文将对这八大从句类型进行详细总结和解析。
1. 名词性从句
名词性从句在句子中可以充当主语、宾语、表语或同位语。
常见的名词性从句包括主语从句、宾语从句、表语从句和同位语从句。
名词性从句常以“that”引导，但也可以使用连接词如“if”、“whether”、“who”、“what”等。
例如：
- 主语从句：That he was late for the meeting was not surprising.（他迟到会议并不出人意料。
）
- 宾语从句：I don't know where he is going.（我不知道他要去哪里。
）
- 表语从句：The important thing is that we try our best.（重要的是我们尽力去做。
）
- 同位语从句：The fact that he passed the exam is a great relief.（他通过考试是一件大解脱的事实。
）
2. 定语从句
定语从句用来修饰名词或代词，并提供更多的信息。
定语从句通常由关系代词（如\。
(完整)高中英语主要要掌握三大从句
高中英语主要要掌握三大从句。
分别是：1、定语从句（形容词从句）2、名词词从句（包括主语从句，宾语从句，表语从句，同位语从句）3、状语从句（副词性从句，包括时间，地点，结果，目的，原因等）一、定语从句：定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词,词组或代词即先行词。
定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。
1、关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在从句中充当主语、宾语、定语等成分。
关系代词在定语从句中作主词保持一致。
（1）, who, whom, that这些词代替指人，“whom”作宾语指人，“that”既可作主语又可作宾语（作宾语可以省略），可以指人也可以指物。
（2），Which 用来指人或物(用作主语、宾语，作宾语时可以省略）（3），whose“whose”表示谁（可以为人也可以为物）的（东西）2、关系代词引导的定语从句（1），关系副词why主要用于修饰表示原因的名词（主要是the reason），同时它在定语从句中用作原因状语。
（2），关系副词when主要用于修饰表示时间的名词，同时它在定语从句中用作时间状语。
（3），关系副词where主要用于修饰表示地点的名词，同时它在定语从句中用作地点状语。
3、非限制性定语从句它起补充说明作用，缺少也不会影响全句的理解。
在非限制性定语从句的前面往往有逗号隔开。
二、名词性从句在句子中起名词作用的句子叫名词性从句(Noun Clauses）。
名词性从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
引导名词性从句的连接词可分为三类：1、连词（5个）：that （宾语从句或表语从句中that有时可以省略）whether,if （均表示“是否”表明从句内容的不确定性）as if ,as though （均表示“好像”，“似乎”）以上在从句中均不充当任何成分2、连接代词（9个）：what, whatever, who, whoever, whom, whomever, whose, which, whichever3、连接副词（7个）：when, where, how, why, whenever, wherever, however三、状语从句状语从句（Adverbial Clause）状语从句指句子用作状语时，起副词作用的句子。
高中英语2024届高考名词性从句知识分类讲解(主语从句+宾语从句+表语从句+同位语从句)
高考英语名词性从句知识讲解名词性从句是指在复合句中起名词作用的句子，功能相当于名词词组。
名词性从句在复合句中能作主语、宾语、表语、同位语等，根据在句中的语法功能可分为主语从句、宾语从句、表语从句和同位语从句。
一、主语从句【定义】在复合句中，作主语的句子称为主语从句。
常见的连接词：（连接词在句中不能省略）that, whether, who, what, whatever, whoever, where, when, why, how等。
【用法】1.连接词 that 引导That we should learn English well is very important.主语从句中 we should learn English well句子完整，不缺成分，用that引导，that 不能省连接词whether，if 引导whether 引导的主语从句可放句首，也可放句中，表“是否”if 引导的主语从句只能引导动词后的宾语Whether I will go or not depend on the weather.It remains to be seen whether / if they can finish the task in time.2.连接代词what, who, which, whose, whatever, whichever，whoever等引导What matters most is your attitude.3.连接副词when，where，why，how等引导How he made it is still unknown.4.it作形式主语为了避免句子头重脚轻，通常把形式主语it放在句首，真正的主语放在句子后面。
常见句型：(1) It is + n.+ that + 句子It is +（a pity / a shame / a fact …）+ that ...(2) It is + adj.+ that + 句子It is +（true / clear / important …）+ that ...(3) It is + 过去分词 + that + 句子It is+ said / announced / expected / believed / hoped… + that ...(4) It seems /appears / happens / turned out that + 句子(5) It hit sb./occurred to sb.that + 句子二、宾语从句【定义】在复合句中，作宾语的句子称为宾语从句。
高中英语语法专题讲义：三大从句
名词性从句一、概念：在句中起名词作用的句子称名词性从句。
名词性从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语、介词宾语等,因此根据它在句中不同的语法功能,名词性从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
1、引导名词性从句的连接词可分为三类：连接词：that, whether ,if (不充当从句的任何成分)连接代词：what, whatever, who, whoever, whom, whose, which连接副词：when, where, how, why2、不可省略的连词：①介词后的连词②引导主语从句和同位语从句的连词不可省略。
例如：That she was chosen made us very happy. 她被选上了,我们很高兴。
We heard the news that our team had won. 我们听到消息说我们队赢了。
注：比较：whether与if均为"是否"的意思。
但在下列情况下,whether不能被if 取代：①whether引导主语从句并在句首②引导表语从句③whether 从句作介词宾语④从句后有"or not"大部分连接词引导的主语从句都可以置于句末,用it充当形式主语。
例如：It is not important who will go. 谁去,这不重要。
It is still unknown which team will win the match. 到底谁赢呢,形势尚不明朗。
3、名词性that-从句①由从属连词that引导的从句叫做名词性that-从句。
That只起连接主句和从句的作用,在从句中不担任任何成分,本身也没有词义。
名词性that-从句在句中能充当主语、宾语、表语、同位语和形容词宾语。
例如：主语：That he is still alive is sheer luck.他还活着全靠运气。
从句语法大全高考
高中英语所有从句（上）一、名词性从句精讲从句是相对于主句而言的,即它是从属于某一个主句,而不能单独作一个句子。
在英语中,主要有三大从句,即名词性从句（包括主语从句,宾语从句,表语从句,同位语从句）、形容词性从句（即定语从句）、副词性从句（即状语从句,包括时间、条件、结果、目的、原因、让步、地点、方式等）。
在句子中起名词作用的句子叫名词从句(Noun Clauses）。
名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。
引导名词性从句的连接词可分为三类：（1）从属连接：that, whether, if（不充当从句的任何成分）（2）连接代词：what, whatever, who, whoever, whom, whose, which.（3）连接副词：when, where, how, why主语从句做句子主语的从句叫主语从句。
主语从句通常由从属连词that，whether，if和连接代词what，who，which，whatever，whoever以及连接副词how，when，where，why等词引导。
that在句中无词义，只起连接作用；连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。
1. that引导That he is still alive is a wonder. 他还活着，真是奇迹。
That we shall be late is certain. 我们要晚了，这是确定无疑的。
2. whether引导Whether it will do us harm remains to be seen. 是否对我们有害还要看一看。
Whether they would support us was a problem. 他们是否会支持我们还是一个问题。
高中必备知识点解析让步状语从句与条件状语从句的区别
高中必备知识点解析让步状语从句与条件状语从句的区别高中必备知识点解析：让步状语从句与条件状语从句的区别在高中英语学习中，从句是一个重要的知识点。
而在从句中，让步状语从句和条件状语从句是两种常见的从句类型。
它们虽然在句子中承担了不同的语法角色，但在用法上也存在一定的区别。
本文将对让步状语从句与条件状语从句进行详细解析，并明确它们之间的区别。
一、让步状语从句让步状语从句用来表示虽然某种情况存在，但是尽管如此，还是发生了另一个意外的情况。
通常使用"although"、"though"、"even though"等来引导让步状语从句。
让步状语从句一般位于主句之前或之后，用来修饰主句的谓语动词。
1. 引导词：虽然让步状语从句的引导词有多种，但最常用的引导词是"although"、"though"和"even though"。
这些引导词之间没有实质性的用法区别，只是在语气上有所不同。
2. 语序和动词时态：让步状语从句的语序一般是陈述语序，即主语+谓语，而不是倒装语序。
动词时态上，如果主句的谓语动词是一般现在时、一般将来时或祈使句时，让步状语从句中的谓语动词要使用一般现在时。
而如果主句的谓语动词是一般过去时，则让步状语从句中的谓语动词要使用过去完成时。
举个例子：1. Although it was raining, they still went hiking.虽然下着雨，但他们还是去了远足。
2. Though he was tired, he continued working.尽管他很累，但他仍然继续工作。
二、条件状语从句条件状语从句用来表示某种情况的发生取决于另一种情况是否成立。
通常使用"if"、"unless"、"provided/providing"等来引导条件状语从句。
高中从句总结
高中从句总结引言在高中英语学习中，句子结构的复杂化是一个重要的学习内容。
其中，从句作为主句的修饰成分，起到扩展句子表达能力的作用。
掌握从句的构成、用法和特点，对于提高英语写作和阅读理解能力有着重要意义。
本文将从从句的定义、分类、引导词和用法等方面进行总结，帮助读者更好地理解和运用从句。
一、从句的定义从句是一个句子结构，在句子中充当某个成分，由一个主句和一个或多个从句构成。
从句分为名词性从句、形容词性从句和副词性从句。
1.名词性从句：在句子中充当主语、宾语、表语或同位语的从句。
常见的名词性从句有主语从句、宾语从句、表语从句和同位语从句。
2.形容词性从句：在句子中充当主语、宾语或表语的从句。
形容词性从句用来修饰名词或代词，常见的形容词性从句有定语从句和同位语从句。
3.副词性从句：在句子中充当状语的从句。
副词性从句可以修饰动词、形容词或副词，常见的副词性从句有时间状语从句、地点状语从句、原因状语从句、结果状语从句等。
二、从句的引导词不同类型的从句有不同的引导词，下面列举了一些常见的引导词。
1.名词性从句的引导词：•主语从句：that、whether、if、wh-引导词（如what、which、who、when、where等）•宾语从句：that、whether、if、wh-引导词•表语从句：that、whether、if、wh-引导词•同位语从句：that、whether、wh-引导词2.形容词性从句的引导词：•定语从句：that、which、who、whom、whose、whom、when、where、why等3.副词性从句的引导词：•时间状语从句：when、as/while、before、after、since、until、till 等•地点状语从句：where•原因状语从句：because、since等•结果状语从句：so/such…that•条件状语从句：if、unless、whether、provided/providing that、as long as/so long as等三、从句的用法1.名词性从句的用法：•主语从句：主语从句位于句首，常用it作形式主语，例如。
高中英语语法复习之三大从句
三大从句定语从句1.The meeting that you have missed yesterday was very important.2. The girl who is making a speech right now is our monitor.3. The vase that I broke yesterday was very expensive.4. The boy who helped you yesterday is my neighbour.5. That's just the topic that I'm very interested in.6. He is just the boss who gave me that valuable opportunity.7. I like the cake which you bought yesterday.8. He is the teacher who helped me.9. We all like that speaker who is very humorous.10. The old lady whose two daughters are both teachers is our neighbour.11. She is the girl whom I met at the party.12. There are occasions when one must yield.13.Beijing is the place where I was born.14.Is this the reason why he refused our offer?15. His father died the year when he was born.16.He is unlikely to find the place in which he lived forty years ago.17. Do you remember the day on which you joined our club?18.This is the house in which I lived two years ago.19. He has finished the difficult exercise, which is easy for you.20.None of us know the reason for which Tom was absent from the meeting. (why = for which ). 只用that不用which的情况①先行词指物且含有不定代词(all, little, few, much, everything, anything等)Do you have anything that you want to say for yourself?All that Lily told me seems untrue.②先行词被the only, the very, the right, any, every, some, no, just等修饰This is the very bus that I am waiting for.The only thing that we can do is to lend you some money.③先行词含有最高级或含有序数词时，如：This train is the last that will go to Suzhou.This is the first two-story bus that runs in our city.What is the most interesting film that you have ever seen?④先行词既有人又有物Do you know the things and persons that they are talking about?⑤避免重复a. 主句的主语是疑问词who或whichWhich is the bike that you have lost?Who is the boy that won the gold medal?b. 两个定语从句，其中一个用which另一个用thatThey secretly built up a small factory, which produced things that could cause much pollution.c. 先行词在主句中作表语,关系词在从句中也作表语Shanghai is no longer the city that it used to be.⑥ 主句是there be 句型且关系词在从句中作主语There is a seat that is still available.2. 只用which不用that的情况① 非限制性定语从句② 关系代词前有介词（介词锁定）③ 先行词本身是that（避免重复）只用who不用that的情况：① 先行词是指人的不定代词，如：one , ones, anyone, no one, those等Those who have not got your textbooks please raise you hands.② there be结构中先行词指人There is a man who calls himself Mr. S joining our team.③ 分隔式定语从句中I was one of the persons in my office who were invited.四、关系副词when 时间时间状语I will never forget the day when we met there. （可用on which）where 地点地点状语This is the house where I was born. （可用in which）why 原因原因状语I can’t imagine the reason why he turned down my offer. （可用for which）主语从句(subject clause)一．定义:主语从句（subject clause）,顾名思义就是利用一个从句来代替主语。
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高中定语从句详细讲解（一）定义及相关术语1．定语从句：修饰某一名词或代词的从句叫定语从句。
定语从句一般紧跟在它所修饰的先行词之后。
2．先行词：被定语从句修饰的词叫先行词。
3．关系词：引导定语从句的词叫关系词。
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when, where, why等。
关系词通常有下列三个作用：A、引导定语从句；B、代替先行词；C、在定语从句中担当一个成分。
例如：The man who is shaking hands with my father is a policeman.该句中，who is shaking hands with my father 是定语从句，修饰先行词the man，“who”是引导定语从句的关系词，代替先行词the man，在定语从句中作主语。
（二）关系代词引导的定语从句1．who 指人，在定语从句中作主语。
The boys who are playing football are from Class One. 正在踢足球的男孩是一班的。
Those who want to go to the museum must be at the school gate at 7 tomorrow morning. 想去博物馆的人必须在明晨7点到大门口集合。
Yesterday I helped an old man who had lost his way. 昨天我帮助了一位迷路的老人。
That is the teacher who teaches us physics.那就是教我们物理的老师。
2．whom 指人，在定语从句中做宾语，常可省略。
Mr Liu is the person ( whom ) you talked about on the bus.刘先生就是你们在公共汽车上谈论的那个人。
Li Ming is just the boy ( whom ) I want to see. 李明正是我想要见的男孩。
The professor ( whom ) you are waiting for has come. 你正在等的教授已经来了。
The girl ( whom ) the teacher often praises is our monitor. 老师经常表扬的那个女孩是我们的班长。
注意：关系代词whom 在口语或非正式文体中常可用who 来代替，也可省略。
The man ( whom / who )you met just now is my old frie nd.3．Which 指物，在定语从句中做主语或宾语，做宾语时常可省略。
Football is a game which is liked by most boys. 足球是大多数男孩所喜欢的运动。
The factory which makes computers is far away from here. 制造计算机的那家公司离这儿很远。
He likes to read books which are written by foreign writers. 他喜欢外国作家写的书。
The house which is by the lake looks nice. 湖边的那幢房子看上去很漂亮。
This is the pen ( which ) he bought yesterday. 这是他昨天买的钢笔。
The film ( which ) they went to see last night was not interesting at all. 他们昨晚看的电影一点意思也没有。
4．That 指人时，相当于who 或whom；指物时，相当于which.。
在定语从句中作主语或宾语，作宾语时常可省略。
The number of people that / who come to visit this city each year reaches one million. 每年来参观这座城市的人数达一百万。
Where is the man that / whom I saw this morning? 我今天早上看到的那个人在哪儿？The person that /whom you introduced to me is very kind. 你介绍给我的那个人很友好。
The season that / which comes after spring is summer. 春天以后的季节是夏季。
Yesterday I received a letter that / which came from Australia.昨天我收到了一封来自澳大利亚的信。
5．Whose 通常指人，也可指物，在定语从句中做定语。
I visited a scientist whose name is known all over the country. 我拜访了一个全国知名的科学家。
He has a friend whose father is a doctor. 他有一个爸爸当医生的朋友。
I once lived in the house whose roof has fallen in. 我曾经住在那幢屋顶已经倒塌了的房子里。
注意：指物时，常用下列结构来代替：The classroom whose door is broken will soon be repaired.The classroom the door of which is broken will soon be repaired.Do you like the book whose cover is yellow?Do you like the book the cover of which is yellow?（三）“介词+关系代词”引导的定语从句关系代词在定语从句中作介词宾语时，从句常常由“介词+关系代词”引出。
The school (which / that) he once studied in is very famous.The school in which he once studied is very famous. 他曾经就读过的学校很出名。
Tomorrow I’ll bring here the magazine (which / that) you asked for. Tomorrow I’ll bring here the magazine for which you asked.明天我将把你要的杂志带来。
This is the boy (whom / who / that) I played tennis with yesterday. This is the boy with whom I played tennis with yesterday. 这是我昨天跟他打台球的男孩。
We’ll go to hear the famous singer (whom / who / that) we have of ten talked about.We’ll go to hear the famous singer about whom we have often talked.我们将去听那位我们经常谈论的著名歌唱家演唱。
The manager whose company I work in pays much attention to improving our working conditions.The manager in whose company I work pays much attention to improving our working conditions.我工作的那家公司的经理十分注意改善我们的工作条件。
注意：１．含有介词的短语动词一般不拆开，介词仍放在短语动词的后面。
如：look for, look after, take care of 等。
This is the watch (which / that) I am looking for. (正) 这是我正在找的手表。
This is the watch for which I am looking . (误)The babies (whom / who / that) the nurse is looking after are very healthy. (正) 那个保姆照看的小宝宝们都很健康。
The babies after whom the nurse is looking are very healthy. （误）２．若介词放在关系代词前，关系代词指人时只可用whom，不可用who, that；关系代词指物时只可用which，不可用that。
关系代词是所有格时用whose。
The man with whom you talked just now is my neighbour. (正)你刚才跟他谈话的那个人是我的邻居。
The man with that / who you talked just now is my neighbour.(误)The plane in which we flew to Canada was really comfortable. (正)我们去加拿大所乘坐的飞机实在很舒服。
The plane in that we flew to Canada was really comfortable. (误) ３．“介词+关系代词”前还可有some, any, none, all, both, neither, many, most, each, few等代词或者数词。
如：He loves his parents deeply, both of whom are very kind to him.他深深地爱着他的父母，他们俩待他都很好。
In the basket there are quite many apples, some of which have gone bad. 篮子里有好些苹果，有些已经坏了。
There are forty students in our class in all, most of whom are from big cities. 我们班总共有４０个学生，大多数来自大城市。
Up to now, he has written ten stories, three of which are about cou ntry life. 迄今为止，他写了１０部小说，其中３部是关于农村生活的。