Noun Clauses
名词性从句(Noun Clauses)
名词性从句(Noun Clauses）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。
一、引导名词性从句的连接词分类引导名词性从句的连接词可分为三类：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连接代词（9个）：what, whatever, who, whoever, whom, whomever, whose, which, whichever连接副词（7个）：when, where, how, why, whenever, wherever, however 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，只可用whether：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"5. 引导同位语从句Whether he will come is not clear.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。
It is not important who will go.It is still unknown which team will win the match.二. 主语从句作句子主语的从句叫主语从句。
英语从句语法归纳总结
英语从句语法归纳总结英语中的从句是一种句子结构，由一个主句和一个从句组成。
从句在句子中充当名词、形容词或副词的角色，用于进一步解释、修饰或补充主句的意思。
从句在语法上可以根据其功能分为名词从句、形容词从句和副词从句。
本文将对这三种从句的语法用法进行归纳总结。
一、名词从句（Noun Clauses）名词从句充当主句中的名词，具有名词的功能。
它可以担任主语、宾语、表语、同位语等。
1. 名词从句作主语例句：What he said is true. (他说的是真的。
)注：常用连接词有whether/if, that等。
2. 名词从句作宾语例句：I don't know where he lives. (我不知道他住在哪里。
)3. 名词从句作表语例句：The question is whether he will come or not. (问题是他是否会来。
)4. 名词从句作同位语例句：The fact that she passed the exam is known to all. (她通过了考试这个事实众所周知。
)注意：- 名词从句一般由连接词引导，如whether/if, that, what, where, when, how等。
- 宾语从句通常位于及物动词或介词后面。
二、形容词从句（Adjective Clauses）形容词从句用来修饰某个名词，在句中充当形容词的角色。
1. 形容词从句修饰人例句：I like the girl who is sitting over there. (我喜欢那个坐在那边的女孩。
)2. 形容词从句修饰物例句：I have lost the book that you lent me. (我把你借给我的书丢了。
)注意：- 形容词从句一般由关系词引导，如who, whom, whose, which, that 等。
- 关系代词在从句中可以作主语、宾语或修饰语。
noun clauses
What I want to say is that we must start now. I don’t know whether he will come here. I told her the truth that he had gone abroad.
主语从句--主语从句--在句中做主语的句子， 在句中做主语的句子，处于从属 的位置， 的位置，这样的句子叫主语从句
The idea that he gave surprises many people． ． The idea that computers can recognize human voices surprises many people.
The news that Tom would go abroad is told by him. The news that he told me is that Tom would go abroad next year.
同位语从句--同位语从句
常跟在抽象名词后，说明其内容： 常跟在抽象名词后，说明其内容： idea news fact promise answer belief condition doubt fear hope problem proof question reply report suggestion thought truth
名词性从句--名词性从句--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, 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、 复合句中能担任主语、宾语、表语、 同位语、介词宾语等， 同位语、介词宾语等，因此根据它 在句中不同的语法功能， 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、 又可分别称为主语从句、宾语从句、 表语从句和同位语从句。 表语从句和同位语从句。
名词性从句全归纳
C. what
days. A. which C. that A. thought that C. is thought that
D. how
2.It is good news ______ they will arrive in a few B. what D. how B. thinks that D. is thought that
3.It ______ Joe drives badly.
4.It ______ he is late for class. A. may that B. might that C. may be that D. might be what
5.This is ______ she was born. A. where B. which C. that D. what 6.The question is ______ we can’t go there today. A. that B. what C. which D. when
• 4. whether可以直接跟动词不定式连用，而if 则 不能，如： • I didn’t know whether to laugh or to cry. • She hasn’t decided whether to go or not. • 5.引导同位语从句用whether，不用if，如： • The question whether he’ll attend the meeting is essential.
• 同位语从句的连词一般有that和whether.在 某些连词后面有时亦可用连接副词 how,when,where,why等.
同位语和定语从句定语从句的区别
各种从句的用法和解析(英语)
各种从句的用法和解析(英语)在英语句子中，句子中的各种从句起到了关键的作用。
它们可以描述、补充和解释主要观点，使语言更加生动。
本文将逐步阐述各种从句的用法和解析。
1. 名词从句 - Noun Clauses名词从句用来作为主语、宾语或表语，并开始于“that”或其他连词。
例如，以下句子中的名词从句是作为主语使用的。
- That she was a thief was a total shock to us.以下句子中的名词从句是作为宾语使用的。
- He believes that honesty is the best policy.以下句子中的名词从句是作为表语使用的。
- His only wish is that he could dance as gracefully as his sister.2. 形容词从句 - Adjective Clauses形容词从句用来描述一个名词或代词，并且始于连词“that”，“which”，“who”或“whom”。
例如，以下句子中的形容词从句描述了一个人。
- The woman who lives next door is a famous actor.以下句子中的形容词从句描述了一个物品。
- The book which I just finished reading was very interesting.3. 副词从句 - Adverb Clauses副词从句用来描述一个动作或情况的时间、原因、方式、条件或结果，并且起始于一个连词（例如“when”，“because”，“while”等）。
例如以下句子中的副词从句描述了一个动作的时间。
- We caught the bus after it had stopped at the traffic light.以下句子中的副词从句描述了一个情况的原因。
- Since it was raining heavily, we decided to stay at home.以下句子中的副词从句描述了一个条件。
noun clauses
None Clauses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、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分引导名词性从句的连接词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, why一主语从句Subject clause主语从句在句中作主语，它的位置与陈述句基本结构中的主语相同，引导主语从句的词有：1）连词that (无词义)，whether (是否)例如：Whether the 11th sports meeting will be held in our city has not been decided. Tips:已经确定的事情that引导，没有确定的whether引导2）连接代词：what; who; which; whose;whoever; whatever; whicheverE.g. What he is has nothing to do with you 谁去参加这次能源大会并不重要Who will go to the energy conference is not importantWhatever she wants is fine with me3）连接副词when, where, wherever, why, how, 以及与how 组成的短语how long,how often, how soon, how far, howmany, how much等How we can protect the grain from damp needs to be discussed.他去哪都与我无关Wherever he goes has nothing to do with me.Attention:1)很多主语从句都可以用在it作形式主语的句子中It is not important who will go.It is still unknown which team will win the match.用it作形式主语的that-从句有以下四种不同的搭It is necessary that…有必要……It is important that…重要的是……It is obvious that…很明显……b. It + be + -ed 分词+ that-从句It is believed that…人们相信……It is known to all that…众所周知……It has been decided that…已决定……c. It + be +名词+ that-从句It is common knowledge that………是常识It is a surprise that…令人惊奇的是……It is a fact that…事实是……d. It +不及物动词+ that-分句It appears t hat…似乎……It happens that…碰巧……It occurred to me that…我突然想起……2)连接代词和连接副词引导的主语从句是由特殊疑问句转化而来的，要用陈述语序E.g. What the weather will be like for the next three days is of great importance. How much we can spend must be agreed on.whether 引导主语从句时，不能用if 替换宾语从句的位置与陈述句基本结构中的宾语相同，宾语从句可以作为谓语动词的宾语，也可作为介词和非限定动词（动词不定式，动名词，分词）和某些形容词的宾语。
Noun+Clause+名词性从句
Commonly used connectors
be动词 感官动词 持续性系动词 变化类系动词 表象类系动词 终止系动词
am, is, are, was, were look, sound, taste, smell, feel keep, stay, remain get, become, grow, turn, go
appear, seem prove, turn out
As an Object
The various types of objects include; direct objects, indirect objects, and prepositional objects. A Direct Object A direct object directly receives a verb action. •Do you understand what the homework entails? •My daughter will wear whichever dress I hand to her. An Indirect Object An indirect object identifies the individual to whom/ for whom a verb action is done. •Always honor whichever person you serve for an excellent service. •Ensure you send whoever taught you a graduation-invitation card. As a Prepositional Object A prepositional object usually follows a noun clause. •I want to work with whoever is excellent in the skill. •It is vital to research about why certain things exist.
英语中几大从句及其句型
英语中几大从句及其句型1. 名词性从句(Noun Clauses)- 宾语从句(Object Clauses): 通常作为动词或介词的宾语。
- He wonders if she will come.- I know that you are busy.- 主语从句(Subject Clauses): 作为句子的主语。
- That she was late was obvious to everyone.- What she said surprised us all.- 表语从句(Complement Clauses): 用作句子的表语。
- The problem is that we don't have enough time.- The question is whether they will agree.- 同位语从句(Appositive Clauses): 用以解释名词的内容。
- The fact that he had not told the truth disturbed everyone.- The rumor that they were getting divorced spread quickly.2. 定语从句(Adjective Clauses)- 限制性定语从句(Restrictive Adjective Clauses): 不可省略，因为它对先行词起到限定作用。
- The book that you gave me is fascinating.- The man who arrived late was not admitted.- 非限制性定语从句(Non-restrictive Adjective Clauses): 可以省略，它提供额外信息，但不影响句意。
- My car, which is ten years old, still runs well.- The house, which I sold last year, has been renovated.3. 状语从句(Adverbial Clauses)- **时间状语从句** (Adverbial Clauses of Time): 表示时间关系。