详解高中英语三大从句
高中英语从句
高中英语从句从句是构成复合句的重要组成部分，它在句子中起到修饰、解释或补充主要句子意思的作用。
高中英语中，从句的运用非常广泛，包括名词性从句、形容词性从句和副词性从句等。
下面将详细介绍这三种从句的用法和特点。
名词性从句是用来充当主语、宾语、表语或同位语的从句。
名词性从句可以由连接词that, whether/if, who, whom, whose, which, what, when, where, why等引导。
名词性从句在句子中起到一个名词的作用，因此可以被其他词替代，如it, this, that等。
其中，引导词that在名词性从句中使用最为广泛。
例如：- I believe that he is a good person.（我相信他是个好人。
）这里的名词性从句that he is a good person作为主语，起到一个名词的作用。
- She asked me if I had finished my homework.（她问我是否完成了作业。
）这里的名词性从句if I had finishedmy homework作为宾语，起到一个名词的作用。
- My dream is that I can become a doctor in the future.（我的梦想是将来能成为一名医生。
）这里的名词性从句that I can become a doctor in the future作为表语，起到一个名词的作用。
形容词性从句是用来修饰名词或代词的从句。
形容词性从句通常由关系代词who, whom, whose, which, that或关系副词when, where, why引导。
形容词性从句在句子中起到一个形容词的作用，修饰或限定名词或代词。
例如：- The girl who is standing over there is my sister.（那个站在那边的女孩是我的妹妹。
三大从句语法讲解
三大从句语法讲解从句：在复合句具有主谓部分但不能独立成句的句子。
主句：除掉从句，就是主句在英语中，主要有三大从句：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）三大从句快速判断方法：1.主句不完整，从句不完整→名词性从句（连接代词）2.主句不完整，从句完整→名词性从句（连词、连接副词）3.主句完整，从句不完整→定语从句（关系代词）4.主句完整，从句完整→定语从句（关系副词）、同位语从句、状语从句名词性从句主语从句：（用句子代替名词来做主语）比如汉语中：①你通过我的方法学好了英语【主语】是我的荣幸。
②你要不要学英语【主语】是你自己的事。
③你想要的学习效果【主语】还必须靠你自己实现。
④你什么时候开始学英语【主语】是很重要的一件事。
基本：三类主语从句的连词（1）从属连词引导的主语从句（that / whether / if）that引导的主语从句:引导词that无含义/在句中不做成分/不可以省。
That 引导主语从句通常用it 作形式主语。
例如：That you will win the medal seems unlikely.（你要赢得这样比赛看起来不可能。
）That she survived the accident is a miracle.（她能在这场事故中幸存真是个奇迹。
）这个就同我们汉语例子中的①句一样，只不过英语中更加重视句子结构，所以把that放在前头，告诉你这个that后面跟的句子（和里面的主谓宾）不影响主句。
whether 引导的主语从句: whether有含义(是否)/在句中不做成分/不可以省。
注意：引导主语从句，不能用if不能在开头，只能用whether.Whether we will hold a party in the open air tomorrow depends on the weather.（我们明天会不会在户外举办聚会取决于天气。
三大从句知识点
三大从句知识点三大从句是英语语法中的重要知识点，包括名词性从句、形容词性从句和副词性从句。
下面将分别介绍这三种从句的定义、用法和例句。
一、名词性从句名词性从句是在句子中充当名词的成分，可以作主语、宾语、表语或同位语。
名词性从句分为主语从句、宾语从句、表语从句和同位语从句。
1. 主语从句：在句子中充当主语的从句，常用连接词有that、whether、if等。
例句：That she is not coming is a great disappointment to us.（她不来对我们来说是个很大的失望。
）2. 宾语从句：在句子中充当宾语的从句，常用连接词有that、whether、if等。
例句：I don't know whether he will come or not.（我不知道他是否会来。
）3. 表语从句：在句子中充当表语的从句，常用连接词有that、whether、if等。
例句：The important thing is that we finish the project on time.（重要的是我们要按时完成这个项目。
）4. 同位语从句：用来解释或说明名词或代词的从句，常用连接词有that、whether、if等。
例句：The fact that he lied surprised everyone.（他撒谎的事实让每个人都感到惊讶。
）二、形容词性从句形容词性从句是用来修饰名词或代词的从句，常用连接词有who、whom、whose、which、that等。
5. 限制性形容词性从句：对名词或代词进行限制或修饰，不能省略。
例句：The book that I borrowed from the library is very interesting.（我从图书馆借来的那本书非常有趣。
）6. 非限制性形容词性从句：对名词或代词进行补充说明，用逗号与主句隔开，可以省略。
例句：My sister, who is a doctor, lives in London.（我的妹妹是个医生，住在伦敦。
(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。
英语三大从句语法讲解
英语三大从句在英语中，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）。
定语从句一、关系代词引导的定语从句关系代词代替前面的先行词，并且在定语从句中充当句子成分，可以作主语、宾语、定语等。
常见的关系代词有：who, that, which（一）关系代词who, whom和who代替人，是主格，在定语从句中作主语。
An architect is a person who designs buildings. 建筑师是设计房屋的人。
whom代替人，是宾格，在定语从句作宾语，在非正式英语常可省略。
Do you know the gentleman whom we met in the school library yesterday? 昨天我们在学校图书馆里遇到的那位先生你认识吗？whose一般代替人，有时亦可代替物，是所有格，在定语从句作定语。
The girl student whose father is a senior engineer used to study abroad. 其父是一位高级工程师的那个女学生过去在国外留学。
Do you know the name of the hotel whose window we can see here? 我们这儿能看到窗户的那个宾馆叫什么名字，你知道吗？（关系代词whose指代先行词hotel，正式用法应该用of which。
whose window=the window of which，意思是：the window of the hotel。
）（二）关系代词which的用法which代替物，在定语从句作主语或宾语，作宾语时还可省略。
I do not like stories which have unhappy endings.我不喜欢有不幸结局的小说。
英语三大从句
英语三大从句LELE was finally revised on the morning of December 16, 2020复合句【语法要点】复合句是由一个主句加一个或几个从句所构成的句子。
从句只用作句子的一个成分，不能独立。
根据从句在句子中的作用，可分为名词性从句、定语从句和状语从句三类。
（一）名词性从句名词性从句包括主语从句、表语从句、宾语从句、同位语从句。
其关联词有连接词that、if、whether；疑问代词who、what、which和疑问副词when、where、how、why等。
1）if不能引导表语从句。
连接代词who、what、whose、which不能引导同位语从句。
2）有时as、as if/though、because也可以引导表语从句，能跟表语从句的谓语动词一般为系动词be、seem、look等。
例如：Things are not always as they seem to be.事情并不总是像表面上看来的那样。
It looks as if it were going to rain. It is because you eat too much.3）介词宾语不可以用which来引导，而要用what来引导。
例如：We can learn what we did not know. He will talk to us about what he saw in the .4）连词that引导的名词性从句除能用在except、but、in后之外很少作介词的宾语，。
其它一些介词的宾语从句如果由连词that引导，则需用it先行一步作形式宾语。
例如：He is a good student except that he is careless.You may depend on it that they will support you.5）若主句谓语动词是及物动词make、find、think、see、hear等，则把宾语从句置于宾语补足语之后，用it作形式宾语。
三大从句讲解
A. where D. what
B. which C. /
三大从句讲解
8.I shall never forget those years ______I lived in the country with the farmers， ______ has a great effect on my life.
③ everything, something, nothing, all, anything, little, much等不定代词作先行词时
This is the very book that belongs to him. ④ 先行词被the only, the very, the same, the last 修饰时。
⑤ 主句已有who或which时 I’ve never heard of the people and things that you talked about just now. ⑥ 当先行词同时指人和物时
4.关系代词前有介词时 (介词提前) .指人只用whom, 指 物只用which This is the boy with whom he talked.
teacher.
三大从句讲解
④ whose 作定语从句的定语.
I know the girl whose mother is a teacher. 2. which, that 的用法
which 作定语从句的主语或宾语（可省 略）
This is a truck which / that is made in China.
languages. 5. Her house, which was built a hundred years ago,
高中三大从句
高中三大从句高中三大从句是指定语从句、名词性从句和状语从句。
下面将分别对这三种从句进行详细解析。
一、定语从句定语从句是修饰名词或代词的从句，用来对先行词进行进一步说明或限定。
定语从句的引导词有关系代词和关系副词。
1. 关系代词引导的定语从句关系代词有：that, which, who, whom, whose等。
其中that和which可以用来引导限制性定语从句，而who, whom, whose只能用来引导限制性和非限制性定语从句。
例句：a) The car that is parked in front of the house belongs to my neighbor.（限制性）b) My brother, who is a doctor, lives in New York.（非限制性）2. 关系副词引导的定语从句关系副词有：where, when, why等。
它们用来引导修饰地点、时间、原因等的定语从句。
例句：a) This is the school where I studied last year.b) Do you remember the day when we first met?c) I don't know the reason why he left.二、名词性从句名词性从句是用来充当主语、宾语、表语或同位语的从句。
名词性从句的引导词有连词that、whether/if和疑问词who, whom, whose, which, what, when, where, why, how等。
1. 主语从句主语从句作为句子的主语，通常用that引导，也可以用疑问词引导。
例句：a) That he is late again is really annoying.b) What you said is not true.2. 宾语从句宾语从句作为句子的宾语，通常用that引导，也可以用疑问词引导。
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。
英语三大从句语法讲解
英语三大从句语法讲解 Document number：PBGCG-0857-BTDO-0089-PTT1998英语三大从句在英语中，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）。
定语从句一、关系代词引导的定语从句关系代词代替前面的先行词，并且在定语从句中充当句子成分，可以作主语、宾语、定语等。
常见的关系代词有：who, that, which。
它们的主格、宾格和所有格如下表所示：（一）关系代词who, whom和 whose的用法who代替人，是主格，在定语从句中作主语。
An architect is a person who designs buildings. 建筑师是设计房屋的人。
whom代替人，是宾格，在定语从句作宾语，在非正式英语常可省略。
Do you know the gentleman whom we met in the school library yesterday 昨天我们在学校图书馆里遇到的那位先生你认识吗whose一般代替人，有时亦可代替物，是所有格，在定语从句作定语。
The girl student whose father is a senior engineer used to study abroad. 其父是一位高级工程师的那个女学生过去在国外留学。
Do you know the name of the hotel whose window we can see here 我们这儿能看到窗户的那个宾馆叫什么名字，你知道吗（关系代词whose指代先行词hotel，正式用法应该用of which。
whose window=the window of which，意思是：the window of the hotel。
）（二）关系代词which的用法which代替物，在定语从句作主语或宾语，作宾语时还可省略。
三大从句讲解及练习(附有答案)
从句从句按其在主句中的句法功能可分为三类:即名词性从句、形容词性从句(即定语从句)和副词性从句(即状语从句)。
引导从句的词称作关联句。
一、名词性从句引导这些名词性从句的关联词包括:从属连词：that, if, whether;连接代词：who,whoever,whom,whomever,which,whichever,what,whatever,wh ose;连接副词where, when, why, how。
其中, 从属连词只起连接作用, 在从句中不充当任何句法成分,而连接代词和连接副词既起连接作用, 在从句中又充当一定的成分.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。
That she was chosen made us very happy.We heard the news that our team had won.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：1. whether引导主语从句并在句首2. 引导表语从句3. whether从句作介词宾语4. 从句后有"or not"Whether he will come is not clear.The fact is that he didn't go to the dinner party.I don't know if he will attend the meeting.1. 在含有主语从句的复合句中, 为保持句子平衡, 常用it作形式主语,而将真正的主语从句置于句末. That-从句作主语通常用it作先行词，而将that-从句置于句末，例如：It is quite clear that the whole project is doomed to failure.很清楚，整个计划注定要失败。
三大从句：名词性从句状语从句定语从句
三大从句：名词性从句状语从句定语从句高中英语主要要掌握三大从句。
分别是：1、名词性从句（包括主语从句，宾语从句，表语从句，同位语从句）2、状语从句（副词性从句，包括时间，地点，结果，目的，原因等）3、定语从句（形容词从句）名词性从句1. 定义：从句在句子中充当名词。
1.分类：主语从句，宾语从句，表语从句，同位语从句。
（从句在句中充当成份）2.连接词：1）连词：that(无意义，不充当成份)，if/wether (无意义，是否)，as if ,as though (好像，似乎) 2）连接代词：what(充当主，宾，表，什么)，who(主宾表，指人)，whom(宾，指人)，which(主宾表，定，哪一个)，whose(定语，谁的)3）连接副词：when(时间状语，什么时候)，where（地点状语，什么地方），why (原因状语，为什么)，how (方式状语，怎么样，如何)4）复合连词：whatever（不管什么），whoever(不管是谁)，whichever（不管哪个），whomever（不管是谁），whenever（不管什么时候），wherever（不管什么地方），however（不管怎样）一，主语从句1.定义：从句在句中充当主语，常位于句首或者动词be动词之前Eg:他获得一得奖一事使他很兴奋。
That(不充当成份，无意思)he got the first price excited him.她能来我们很高兴。
That she was able to come made us happy.我们是否能准时到达那儿还不确定. Whether we can get there on time is doubtful.我们如何处理这个问题还未作出决定。
What we should do with the problem is undecided.我们所需要的是时间。
What we need is time.对她来说，最重要的是她的家庭。
三大从句知识点总结
三大从句知识点总结一、名词性从句名词性从句是在句子中充当名词的作用，可以位于主句中的主语、宾语、表语或者介词宾语的位置，起着名词的作用，因此也被称为从句名词。
名词性从句主要包括宾语从句、主语从句、表语从句和同位语从句等几种。
1. 宾语从句宾语从句用来充当主句中的及物动词（transitive verb）或介词后面的宾语，例如：I know (that) he is coming.（我知道他要来了。
）He said (that) he would come tomorrow.（他说他明天会来。
）在上面的两个例句中，that引导的从句分别充当了know和said后面的宾语。
2. 主语从句主语从句用来作为整个主句的主语，例如：That he is so successful surprises everyone.（他这么成功让每个人都感到惊讶。
）What he is saying is true.（他所说的是真的。
）在上面的两个例句中，从句that he is so successful和what he is saying分别作为整个主句的主语。
3. 表语从句表语从句用来作为及物动词后的表语，例如：The problem is that we don't have enough time.（问题就在于我们没有足够的时间。
）在这个例句中，从句that we don't have enough time充当了动词is后的表语。
4. 同位语从句同位语从句用来解释或者说明名词的内容，例如：The news that he won the prize is exciting.（他获奖的消息令人兴奋。
）在这个例句中，从句that he won the prize充当了news这个名词的同位语。
名词性从句在句子中起着非常重要的作用，能够充分地承担名词的功能，并且丰富了句子的表达方式。
二、定语从句定语从句用来修饰名词或代词，对其进行进一步的说明或者限定，增加句子的信息量。
三大从句的共同点与不同点
从句的共同点与不同点第一部分：概念从句（Subordinate Clause）是复合句里的一个句子成分。
它不能独立成句，但它也有主语部分和谓语部分，就是句子一样。
所不同的是，它必须由一个关联词（Connective）来引导。
从句有主语从句、表语从句、宾语从句、同位语从句、定语从句和状语从句6类。
由于主语从句、表语从句及宾语从句在句子的功用相当于名词，故而这3种从句又通称名词性从句。
1、名词性从句（1）、主语从句（Subject Clause）：用作主语的从句叫主语从句。
引导主语从句的关联词有从属连词、疑问代词、疑问副词、缩合连接代词、缩合连接副词等。
（2）、表语从句（Predictive Clause）：用作表语的从句叫表语从句。
引导表语从句的关联词与引导主语从句的关联词大都一样。
（3）、宾语从句（Object Clause）：用作宾语的从句叫宾语从句。
引导表语从句的关联词与引导主语从句的关联词大都一样。
2、定语从句（Attributive Clause）：用作定语的从句叫定语从句。
定语从句一般皆放在被它所修饰的名（代）词之后，这种名（代）词就叫作先行词（Antecedent）。
引导定语从句的关联词为关系代词和关系副词。
关系代词在定语从句中可用作主语、宾语、定语等；关系副词在定语从句中用作状语。
另外，同位语从句（Appositive Clause）：与先行词同位或等同的从句叫作同位语从句。
其关联词多为that。
6、状语从句（Adverbial Clause）：用作状语的从句叫作状语从句。
其关联词是一些从属连词。
第二部分：注意共同点与非共同点一名词性从句:1. 主要包括主语从句,宾语从句,表语从句和同位语从句. 一般由that 引起,也可由who, what, when, why, which, whom, whether, how 引起.What you need is more practice. （你需要的是更多的练习。
高考英语三大从句是哪些，你分得清吗？
高考英语三大从句是哪些，你分得清吗？一、名词性从句1.当从句的结构与意义都完整，说话人语气坚定用that，有疑问用whether/if。
2.当从句的结构完整，意义不完整，缺状语用where,when,why,how, 缺定语用whose或which。
3.当从句的结构不完整，缺主宾表，说事用what，说人用who, whom。
二、形容词性从句(定语从句)1.当从句的结构不完整，缺主宾表，说事用that /which，说人用that/who/whom.2.当从句的结构完整，意义不完整，缺状语用where(in/on which),when(in/on/at/during which),why(for which).3.当从句的结构不完整，缺定语用whose(=of which/whom the n. = the n. of which/whom)三、副容词性从句(状语从句)时间状语 when, whenever, while, as, before, after, until, till, by the time, as soon as, hardly…when, no sooner…than, the moment, the second, the minute, immediately, directly, instantly 地点状语 where, wherever原因状语 because, as, since, now that条件状语 if, unless, once, in case, as long as, on condition that 目的状语 so that, in order that, for fear that结果状语so…that, such…that比较状语than, as…as, not so/as…as, the more…the more方式状语 as if, as though, as让步状语though, although, even if, even though, as, no matter what, whatever, no matter who, whoever, no matter which, whichever, no matter how, however, no matter when, whenever来源：网络。
高中英语】三种基本从句
（2）原因状语从句：在一个句子中作原因状 语的句子。连接词：由连词because, since，as 引导， 也可由for，now that 等词引导。 如：I didn’t go to school yesterday because I was ill.
（3）条件状语从句：在一个句子中作条件状 语的句子。 连接词：if如果， unless (=if not) 除非。(让步)
如：If it doesn’t rain tomorrow, we will go hiking.
（4）目的、结果状语从句 目的状语从句是指在一个句子中充当目的状语的句子。 结果状语从句是指在一个句子中充当结果状语的句子。
目的状语从句连接词：so that, so…that , in order that 引导。 结果状语从句连接词：so…that, such…that, so much/many…that引导。
据时间状语需要从四种带“过”字的时态中任选一
种，带“过”字的时态分别是：一般过去时，过去 进行时，过去将来时，过去完成时。
如：He told me that he liked playing football(一般过去 时) C. 客观真理一般现：客观真理永远用一般现在时。 如：1.He says the moon goes around the earth.
从句是指在一个句子中充当一个成分的 句子，充当什么成分就叫什么从句， 如：充当宾语就叫宾语从句，充当定语 成分就叫定语从句。
从以上定义中我们可以得出关于从句的 一个最大特点：从句是句子。
宾语从句 宾语从句是指在一个句子中充当宾语 的句子， 如：He said that he wanted to be a teacher when he grew up.
高中英语三大从句
高中英语三大从句 IMB standardization office【IMB 5AB- IMBK 08- IMB 2C】
一、定语从句阅读中，可略去定语从句不看，找出主谓宾即可。
限定性定语从关系词（非介宾）可省略：关系词代替先行词在从句中作宾语。
非限定性定语从句有“，”，关系词指代主句/先行词
moment、minute/time (that)【不用when】
二、状语从句
三、名词性从句（主语、宾语、表语、同位语；陈述语序）.
☆引导一个从句，只用一个引导词
what可指代“某…” eg：“不再是以前的样子”what
which表示从给定范围中选择其一
who在主、从中用作主语、宾语；whom在主、从中用作宾语
常用表语从句：It seems/…… as if/though…….
常用主语从句（it作形式主语）：①It’s no wonder（难怪） that…….②It’s a pity（遗憾） that…….连接副词：how短语(how …)等
宾从否定前移：think/believe/imagine/suppose sth. be/do not→don’t ~ sth. be/do
同位语从句解释其内容：
fact/news/idea/hope/thought/order/fear/doubt/word（口信）/ proof（证据）/belief/story。
高中英语三大从句解释
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。
三大宾语从句的用法及例句
三大宾语从句的用法及例句三大宾语从句分别是名词性从句、限制性从句和非限制性从句。
它们在英语句子中扮演着重要的角色，能够丰富句子结构，增加句子表达的多样性。
本文将对三大宾语从句的用法进行详细介绍，并给出相应的例句，以帮助读者更好地理解和掌握这一语法知识。
## 名词性从句### 用法名词性从句是一种用来充当名词的从句。
它可以在句子中担任主语、宾语、表语或同位语的角色，从而取代实际的名词，使句子更加简洁明了。
名词性从句包括了主语从句、宾语从句、表语从句和同位语从句。
1. 主语从句主语从句用来替代句子中的主语，在句中充当主语的角色。
主语从句通常由连接词that引导，但在口语中也可以省略。
2. 宾语从句宾语从句用于作及物动词的宾语，从而在句子中充当宾语的角色。
宾语从句常由连接词that引导，不过也可以由连接词whether或if引导。
3. 表语从句表语从句在句子中充当表语的角色，用来描述主语的性质、状态或身份。
表语从句常由连接词that引导，但在口语中也可以省略。
4. 同位语从句同位语从句用来对一个名词进行解释或说明。
它常常由连接词that引导，但也可以在某些情况下由whether或if引导。
### 例句1. 主语从句- That he is late is really annoying.（他迟到了真的很让人烦恼。
）- What she said is true.（她说的是真的。
）2. 宾语从句- I know that he is coming.（我知道他要来。
）- She asked me whether/ if I could help her.（她问我是否我能帮她。
）3. 表语从句- The important thing is that we are safe.（最重要的是我们平安无事。
）- His problem is that he is too lazy.（他的问题是他太懒了。
）4. 同位语从句- The news that he won the prize made me happy.（他获奖的消息让我很高兴。
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1.Jack bought a car.2.Ricky was a brilliant student and he passed the exam easily.3.John did not go to school yesterday since he was sick.4.James ran fast but he could not win the race because his start was late.Look at the second sentence. It contains two parts:★Ricky was a brilliant student.★He passed the exam easily.Now look at the third sentence, it too has two parts:★John did not go to school yesterday.★Since he was sick.Now look at the fourth sentence, it has 3 parts (or clauses):★James ran fast★He could not win the race★Because his start was late★Noun clauses★Adjective clauses★Adverb clauses1.I expect to win the race.2.I expect that I shall win the race.3.That you had met him before makes me surprised.1.The bag with a red apple logo is mine2. The bag which has a red apple logo is mine.1.John stopped working in the evening (When?)2.John stopped working when the evening came (When?)1.The subject of a verb.2.The object of a transitive verb.3.The object of a preposition.4.In apposition to a noun or pronoun.5.The complement of a verb of incomplete prediction.the subject of the verb:★How he could assist me was his concern.★Whether we can start next week seems uncertain.★That you did so surprises me.★What I said was true.★When he will return is uncertain.Why Anne hung herself is mystery.the object of a transitive verb:★Please tell me why you did this.★I do not know when she will return.★I cannot tell what has become of him.★I asked the man how old he was.★He says that he won’t leave.★I hoped that it was not true.★She denied that she met him yesterday.★Tell me where you like to live.★Nobody knows who he is.Ask if he is at office.the object of a preposition:★There were no complaints except that the start was bit too late.★Pay attention to what I am now going to say.★There is no meaning in what you said.In each of the following complex sentences, the noun clause is in apposition to a Noun or Pronoun:★You shall never forget this,that honesty is the best policy.★It was unfortunate that you were sick that day.★Her confession that you found the money in the street will not be believed.★His belief that some day he would succeed made him determined.It is feared that they will not return.the complement (ˈkɔmplimənt)of a verb of in complete predication:★Her constant belief was that the infant might live.★My wish is that I may please you.★His great fear is that he may not succeed.★My belief is that she will not come.★Life is what we make it.★This is where I live.after an intransitive verb construction:★The sick man was sure that he would recover someday.★The boy was afraid that he would fall down.★All of us are so keen that you should succeed.★They felt very sorry that they lost the match at the end.the conjunction that is omitted; as,I know (that) you did it.by a relative pronoun or by a relative adverb; as,★Uneasy lies the head that wears a crown.★He is the man whom we all respect.★The time when the boat leaves is not yet fixed.★The house where the accident occurred is nearby.The reason why I did it is obvious.I met Anne, who (=and he) gave me this letter.He is the boy who broke the window.is sometimes understood and omitted; as,★Drink all (that) you can.★I saw a girl (whom) I know.★Where is the food (which) he left for me?On the day (that) you pass the test I will give you a present.The infinitive with to is often used as the equivalent of an Adjective Clause★Give me some food which I may eat.Give me some food to eat.★He has no boots which he can wear.He has no boots to wear.★The doctor has given me medicine which I must take.The doctor has given me medicine to take.★I have work which I must do.I have work to do.★Strike the iron while it is hot.★You are taller than I thought.★He ran so quickly that he soon overtook me.★Adverb clauses of time★Adverb clauses of place★Adverb clauses of purpose★Adverb clauses of cause or reason★Adverb clauses of condition★Adverb clauses of result★Adverb clauses of comparison★Adverb clauses of supposition[ˌsʌpəˈziʃən] or concession★When you have finished your work you mayleave.★Don't talk loud while she is singing.★I will do it when I think fit.★They were commanded to wait till the signal was given.★He came after night had fallen.★Do it before you forget.★I have not been well since I returned from London.★There was silence as the leader spoke.★The doctor always comes whenever he is sent for.★The world always will be the same so long as men are men.★As soon as he heard the news he wrote to me.★Just as he entered the room the clock struck.★No sooner did he see us than he disappearedAdverb Clauses of Place are introduced by the subordinating conjunctions where and whereas,★I have put it where I can find again.★They can stay where they are.★Where you live I will live.★He led the caravan wherever he wanted to go.★Let him be arrested wherever he may be found.In order English whence and whither were also used to introduce an adverb clause of place:★Go quickly whence you came★The wind beloweth whether it listethAdverb clauses of purpose are introduced by the subordinating conjunctions so that, in order that, and lest. (In order that and lest are used in a formal style.)★I will give you a map so that you can find the way.★We eat so that we may live.★The UNO was formed in order that countries might discuss world problems better.★He was extra polite to his superiors lest something adverse should be written into his records.★Sleep not lest your Lord come in the night.The conjunction that occurred in older English:★He drew the sword that he might defendhimself.★Come hither that I may bless thee.Adverb clauses of cause or reason are introduced by the subordinating conjunctions because, as, since, that.★I am glad that you like it.★Since you are so clever you will be able to explain this.★He thinks, because he is rich, he can buy justice★Because I like you, I shall help you.★I did it because I wanted to.★I did not buy it because I did not like the look of it.★Since your father is not at home,I will ask you to take the message.★Since you swear to serve me faithfully, I will employ you.★He was very pleased that you have passed.Adverb clauses of condition are introduced by the subordinating conjunctions if, whether, unless.★Whether the Rajah gives him blows or money, he will speak the truth.★You must go whether you hear from him or not.★I shall forgive you o n condition that you do not repeat the offense.★If I like it, I shall buy it. Come if you wish to.★If it rains we shall stay at home.★If you have tears, prepare to shed them now.★Unless you work harder you will fail.★I can't pay it unless he sends me the bill again.Sometimes the subordinating conjunction is omitted in adverb clauses of condition; as,★Had I not seen this from my own eyes I would not have believed it.★Had I the wings of a bird I would fly away.★He would be happier were he honester★Were an angel to tell me such a thing of you, I would not believe it.★What would you answer did I ask you such a question?Adverb clauses of condition are sometimes introduced by arelative pronoun, or adjective, or adverb (without any antecedent); as,★Whichever road we take we shall be too late.★Whatever may be the result, I shall refuse.★Whatever happens keep calm.★Don't annoy him whatever you do.★However cleverly you may cheat, you will be found at last.Adverb clauses of result or consequence are introduced by the subordinating conjunction that. Frequently so or such precedes it in the principal clause.★He is such a good man that all respect him.★The Romans built in such a way that their walls are still standing.★He spoke in such a low voice that few could hear him.★So terrible a disease broke out that very few people survived.★Very heavy rain fell so that the rivers were soon in flood.★Laws were quickly passed so that this abusewas checked.★He behaved in such a manner that his reputation suffered.★So cold was it that many died.The Subordinating Conjunction that is often dropped in informal English.★He was so weak he could not speak.★I am so deaf I cannot hear thunder★It was so late I waited no longer★He is so old he can hardly walk★It was so small I could not see it.Adverb Clauses of Comparison are of two kinds:(i) Adverb Clauses of Comparison of Degree(ii) Adverb Clauses of Comparison of Manner Adverb clauses of comparison of degree are introduced by the subordinating conjunction than, or by the relative adverb as; as,★He is older than he looks.★No one can run faster than Rama.★It is later than I thought.★You must work harder than I do.★He is as stupid as he is lazy.★He is not so clever as you think.The verb of the adverb clause of comparison of degree is often understood and not expressed; as,★Nobody knows it better than I [do]★Few are better leaders than he [is]★You like curry better than I [like it]★It will happen as sure as death [is sure]★Not many know the truth of this better than you [know it]Adverb clauses of comparison of manner are introduced by the relative adverb as; as,★You may do as you please.★It all ended as I expected.★As you have made your bed so you must lie on it.★As he has lived so will he die.★As the twig is bent the branch will grow.Adverb Clauses Supposition or Concession are introduced by the Subordinating Conjunctions though, although, even if.★Though I am poor I am honest.★Though the heavens fall, justice must be done.★Though he slays me yet I will love him.★He set sail though the storm threatened.★Although troops had marched all day they fought bravely all night.★I shall be able to get in although I have no ticket.★Even if he is old he is able to do a great deal of work.★I would not do it even if you paid me.When mother asked how he got his leg injured, he replied that he met with an accident.The above sentence contains 3 dependent clauses:1.He replied. (Independent clause)2.When mother asked. (Adverb clause of timemodifying the verb, replied)3.He met with an accident. ()4.how he got his leg injured.( Noun clause being theobject of the verb, asked)Sometimes, a dependent clause can have another dependant clause within it. Let us see an example:I believe that he did not receive the letter which I sent last week.1.I believe. (Independent clause)2.That he did not receive the letter. (Noun clause,object of believe)3.Which I sent last week. (Adjective clause,modifying the noun, letter)Sentences may be more complex in the case of compound complex sentences where there may be several complex sentences joined by coordinating conjunctions.Let us see the below example:Police asked how he found the bag, but he refused to answer since he was scared.You will notice that there are two independent clauses joined together by but. Note that both independent clauses have dependent clauses.Let us see another example:Peter came to Anthony when he saw him at themarket, and he told him that he wished to come out of his debt by a marriage with a wealthy lady whom he loves, whose father has left her a profitable business.1.Peter came to Anthony. (Independent clause 1)2.When he saw him at the market. (Adverb clause oftime modifying came in Independent clause 1)3.He told him. (Independent clause 2)4.That he wished to come out of his debt by amarriage with a wealthy lady.(Noun clause, object of told of independent clause 2)5.Whom he loves. (Adjective clause, modifying ladyof Independent clause 2)6.Whose father has left her a profitable business.(Adjective clause, modifying ladyExerciseTry to analyze the clauses in the following examples:1.I regularly advised him that such business tacticswill not result in any profit for him but he never accepted my advice and he continued to follow the same which finally resulted in a huge loss for him.2.He was satisfied with the things he had and it willbe his pride and pleasure to hand down his business to hischildren as he received it from those who preceded him.3.With reluctance, she accepted the invitations of her old faithful friend, who once scolded her for refusing meat; but she said that he had become a vegetarian.4.I know a doctor with spiritual powers who can cure your illness although your doctor says it is incurable, but it is not possible to meet him immediately since there are thousands of patients are waiting to meet him, but you may give it a try.5.Whenever there is something that I don't know I tend to search on the internet but you need to know the reliability of the sites you browse since different sites are there for different purposes.6.The Police informed him that he needs to provide the correct information and if the information give is found to be untrue he will be sued in the Court where you may face sever punishments for providing false information.。