【范文】高中英语同位语从句知识点整理
高中英语知识点归纳同位语从句与主语从句的区别
高中英语知识点归纳同位语从句与主语从句的区别同位语从句与主语从句是英语语法中的两个重要概念。
虽然它们在形式上相似，但在用法和语义上却有着明显的区别。
本文将对同位语从句和主语从句进行比较，以帮助高中英语学习者更好地理解和运用它们。
一、同位语从句的定义和用法同位语从句是一个从句，用来补充或解释前面的名词或代词。
它通常用来对该名词或代词进行说明、加强或者解释。
同位语从句一般由连词"that"引导，但在口语中，可省略该连词。
同位语从句常见的结构如下：1. The fact that...例如：I am aware of the fact that he is leaving.2. The news that...例如：I am excited about the news that we won the competition.3. The idea that...例如：She has a strong belief in the idea that honesty is the best policy.同位语从句与前面的名词或代词之间构成同位关系，它们在句子中的地位相当。
同位语从句可以出现在复合句中的任意位置。
二、主语从句的定义和用法主语从句是一个从句，用来充当句子的主语。
它通常以连词"that"或连接代词"who, what, where, when, why, how"引导。
主语从句的常见结构如下：1. That...例如：That he is late is not surprising.2. Who...例如：Who will come to the party is uncertain.3. What...例如：What they did yesterday shocked me.主语从句通常位于句子的开头，作为整个句子的主语，它与谓语动词之间构成主谓关系。
同位语从句知识点总结
同位语从句知识点总结一、同位语从句的定义。
同位语从句是名词性从句中的一种，用于对前面的抽象名词（如fact, idea, news, hope, belief, thought, doubt等）进行解释说明，表明这个名词的具体内容。
例如：The fact that he won the first prize made his parents very proud.（“that he won the first prize”就是fact的同位语从句，解释说明fact的内容）二、同位语从句的引导词。
1. that.- that引导同位语从句时，在从句中不充当任何成分，只起连接作用。
例如：I have no idea that he will come today.2. whether.- whether引导同位语从句时，表示“是否”的含义，有疑问的语气。
例如：The question whether we should continue the experiment has not been answered yet.3. 连接代词（what, who, which等）- 这些连接代词在同位语从句中充当主语、宾语或表语等成分。
例如：The problem who will be in charge of this project needs to be solved.（who在从句中作主语）They have no idea what we should do next.（what在从句中作宾语）4. 连接副词（when, where, why, how等）- 连接副词在同位语从句中充当状语。
例如：We have no idea when he will come back.（when在从句中作时间状语）The question why he was late has not been answered.（why在从句中作原因状语）三、同位语从句与定语从句的区别。
高中英语知识点归纳同位语从句的用法和标点
高中英语知识点归纳同位语从句的用法和标点同位语从句是英语语法中的一种修饰结构，它通过引导词来引导一个完整的句子作为另一个句子中的同位语，起到进一步解释、补充或强调的作用。
同位语从句在表达中常常使用标点符号进行引导和限定，下面我们将详细探讨同位语从句的用法和标点。
一、同位语从句的定义和作用同位语从句是由连词“that”引导的一个完整的句子，作为另一个句子中的同位语，起到解释、补充或强调的作用。
同位语从句一般用来对前面的名词或代词进行进一步的诠释和说明。
例如：1. I have a feeling that he is lying.（同位语从句解释了名词“feeling”）2. The fact that he won the game surprised everyone.（同位语从句解释了名词“fact”）二、同位语从句的引导词同位语从句的引导词通常只有一个，那就是连词“that”，在从句中充当主语、宾语、表语或同位语的成分。
例如：1. It is a fact that she is a talented musician.（同位语从句作为同位语解释了名词“fact”）2. The teacher said that we need to study harder.（同位语从句作为宾语解释了动词“said”）三、同位语从句的标点同位语从句的标点主要是通过逗号或冒号进行引导和限定。
具体使用哪种标点符号，取决于同位语从句的位置和上下文的语气。
1. 当同位语从句与先行词之间具有较强的逻辑关系，且从句不易省略时，通常用逗号进行分隔。
例如：1. The news, that he got admitted to Harvard, made his parents proud.2. The fact, that she is always late for class, annoys the teacher.2. 当同位语从句与先行词之间的逻辑关系较弱，且从句比较长、独立性较强时，通常用冒号进行分隔。
高中英语知识点归纳同位语从句与表语从句的区别
高中英语知识点归纳同位语从句与表语从句的区别同位语从句和表语从句在英语语法中都属于从属从句的一种，但它们在使用和功能上有一些明显的区别。
同位语从句主要用来解释或者说明前面的名词或代词，而表语从句则用来描述或者说明主语的状态或性质。
本文将对这两个知识点进行归纳和总结，以帮助高中英语学习者更好地理解和运用它们。
一、同位语从句同位语从句用来解释或者说明前面的名词或代词，通常与这个名词或代词具有同位关系。
在同位语从句中，从句作为一个整体来充当名词的同位语。
1. 连接词：常见的引导同位语从句的连词有：that, whether, if, who, what, when, where, why等。
2. 位置：同位语从句通常位于主句中的名词或代词之后。
3. 功能：同位语从句的功能在于进一步解释或说明前面的名词或代词。
例句1：I have no idea whether he will come tomorrow.译文：我不知道他明天是否会来。
解释：这个例句中的同位语从句whether he will come tomorrow解释了名词idea的具体内容。
例句2：She asked me if I had finished my homework.译文：她问我是否完成了作业。
解释：这个例句中的同位语从句if I had finished my homework解释了名词asked的具体内容。
二、表语从句表语从句用来描述或者说明主语的状态或性质，通常与主语之间具有被动关系。
在表语从句中，从句的主语必须和主句的主语保持一致。
1. 连接词：常见的引导表语从句的连词有：that, whether, if, who, what, when, where, why等。
2. 位置：表语从句通常位于系动词（be动词、感官动词、使役动词等）之后。
3. 功能：表语从句的功能在于描述或者说明主语的状态或性质。
例句3：The fact is that he is not coming to the party.译文：事实是他不来参加聚会。
英语中同位语从句的用法归纳总结
英语中同位语从句的用法归纳总结全文共3篇示例，供读者参考篇1The Versatile Appositive Clause: A Student's Guide to Mastering This Nifty ConstructionAs an English student, I've come to appreciate the sheer versatility and expressiveness of our language. One construction that has particularly caught my attention is the appositive clause – a nifty little tool that can add depth, clarity, and flair to our writing and speech. In this essay, I'll delve into the nitty-gritty of appositive clauses, exploring their various forms, functions, and proper usage.What's an Appositive Clause, Anyway?Before we dive in, let's establish a clear definition. An appositive clause is a dependent clause that further describes or clarifies a noun or noun phrase that precedes it. It's like a little side note or extra bit of information that helps the reader better understand what or who you're referring to.For example, "My friend, who is an avid hiker, loves exploring the mountains." In this sentence, "who is an avid hiker" is anappositive clause that provides additional details about "my friend."The Many Faces of Appositive ClausesAppositive clauses come in various shapes and sizes, each serving a unique purpose. Here are some of the most common types:Restrictive Appositive ClausesThese bad boys are essential for clarifying or identifying the noun they modify. Without the appositive clause, the sentence would be ambiguous or confusing. For instance, "The student who aced the exam received a scholarship." The clause "who aced the exam" is crucial in specifying which student we're talking about.Non-Restrictive Appositive ClausesUnlike their restrictive counterparts, non-restrictive appositive clauses provide additional, non-essential information about the noun. They're like little bonus tidbits that enhance our understanding but aren't strictly necessary. For example, "My brother, who is a professional chef, makes the best lasagna."Appositive Clauses with PrepositionsSometimes, appositive clauses follow prepositions, adding even more depth and nuance to our sentences. "The painting, with its vibrant colors and bold brushstrokes, caught my eye." Here, "with its vibrant colors and bold brushstrokes" is an appositive clause that modifies "the painting."Using Appositive Clauses EffectivelyNow that we've covered the basics, let's talk about how to wield these bad boys like a pro:Punctuation is KeyProper punctuation is crucial when using appositive clauses. Restrictive clauses don't require commas, but non-restrictive clauses do. For example:Restrictive: "The student who studied diligently passed the exam."Non-restrictive: "My friend, who is a grammar enthusiast, always notices my appositive clause usage."Placement MattersWhile appositive clauses typically follow the noun they modify, they can sometimes precede it for emphasis or stylisticeffect. "Beaming with pride, my little sister received her diploma."Avoid AmbiguityAppositive clauses can sometimes create ambiguity if not used carefully. For instance, "I met my friend's sister, who is a doctor, at the park." Is the sister or the friend a doctor? Rephrase for clarity when needed.Use Them JudiciouslyWhile appositive clauses are undoubtedly useful, overusing them can lead to clunky, convoluted sentences. Strike a balance, and use them only when they genuinely enhance your writing.In ConclusionAppositive clauses are a powerful tool in the English language, allowing us to add depth, clarity, and richness to our communication. By mastering their various forms and usages, we can elevate our writing and speech to new heights. So, the next time you find yourself needing to provide additional details or clarification, don't hesitate to reach for that trusty appositive clause. Just remember to use them wisely, punctuate correctly, and avoid ambiguity. With practice and attention to detail, you'll be an appositive clause extraordinaire in no time!篇2The Versatile Appositive Clause: A Student's GuideAs an English student, you've probably encountered those pesky clauses that seem to provide additional information but leave you scratching your head about their purpose. Fear not, my fellow learners, for today we'll dive into the world of appositive clauses and explore their multifaceted roles in the English language.First things first, what exactly is an appositive clause? Simply put, it's a dependent clause that provides extra details or clarification about a noun or pronoun in the main clause. These clauses are set off by commas, dashes, or parentheses, acting as a sort of grammatical sidekick to the main clause.Now, let's break down the different types of appositive clauses and how they can be used to enhance your writing and speaking skills.Defining Appositive ClausesThese clauses are essential for adding crucial information about the noun or pronoun they're referring to. Without them, the sentence might lack clarity or context. For example:"My friend, who is a talented artist, just had her first exhibition."In this case, the appositive clause "who is a talented artist" provides a defining detail about the noun "friend."Non-defining Appositive ClausesUnlike their defining counterparts, non-defining appositive clauses offer additional, non-essential information. They're like little trivia tidbits that enrich the sentence but aren't strictly necessary for understanding the main point. For instance:"John, whose passion for cooking knows no bounds, prepared a delectable meal for us."Here, the clause "whose passion for cooking knows no bounds" gives us a fun fact about John, but the sentence would still make sense without it.Appositive Clauses for EmphasisSometimes, appositive clauses can be used to add emphasis or draw attention to a particular detail. This can be especially useful in persuasive writing or public speaking:"The new tax policy, which will undoubtedly burden the middle class, has faced widespread criticism."In this example, the appositive clause highlights the anticipated impact of the tax policy, underscoring its importance.Appositive Clauses in Narrative WritingIn creative writing, appositive clauses can help bring characters to life and provide depth to their descriptions:"Sarah, whose eyes sparkled with mischief, had a knack for getting into trouble."This appositive clause not only describes Sarah's physical appearance but also hints at her personality, making her character more vivid and engaging.Appositive Clauses in Technical WritingEven in technical or academic writing, appositive clauses can be invaluable for clarifying complex concepts or providing additional context:"The Higgs boson, which was theorized in the 1960s, was finally discovered at the Large Hadron Collider in 2012."This clause offers background information about the Higgs boson, helping readers better understand its significance.Now, as with any grammatical construct, there are a few rules and considerations to keep in mind when using appositive clauses:Punctuation is crucial: Appositive clauses must be set off from the main clause with appropriate punctuation (commas, dashes, or parentheses) to avoid confusion.Parallelism matters: If you have multiple appositive clauses modifying the same noun or pronoun, be sure to maintain parallel structure for clarity and coherence.Avoid ambiguity: Appositive clauses should clearly refer to the noun or pronoun they're modifying. Ambiguous placement can lead to misunderstanding.Use them judiciously: While appositive clauses can enhance your writing, overusing them can make your sentences overly complex and difficult to follow.As you can see, appositive clauses are versatile tools that can enrich your writing and speaking in numerous ways. Whether you're aiming for precision, emphasis, or narrative flair, mastering the art of the appositive clause can elevate your command of the English language.So, the next time you encounter an appositive clause, don't shy away from it. Embrace it as a valuable addition to your linguistic arsenal, and use it to add depth, clarity, and personality to your communication. With practice and a keen eye for detail, you'll soon be wielding appositive clauses like a seasoned pro.Happy learning, and may your journey through the world of English grammar be enlightening and enriching!篇3Sure, here's a 2000-word essay on the usage of appositive clauses in English, written in a student's tone:The Lowdown on Appositive Clauses: A Student's GuideAs a student grappling with the intricacies of English grammar, one concept that can leave you scratching your head is the appositive clause. These little buggers can be a real headache, but fear not, my fellow scholars! I'm here to break it down for you in a way that won't make your brain hurt (too much).First things first, let's define what an appositive clause is. Simply put, it's a group of words that provides additional information about a noun or pronoun that precedes it. Sounds simple enough, right? Well, hold on to your hats, because there's more to it than meets the eye.Appositive clauses can be either essential or non-essential, and this distinction is crucial. Essential appositive clauses are, well, essential. They provide information that is necessary for identifying the noun or pronoun they're modifying. Without this information, the sentence would be incomplete or unclear.For example:"The book that won the Pulitzer Prize was a best-seller."In this case, "that won the Pulitzer Prize" is an essential appositive clause because it specifies which book we're talking about. If we remove it, the sentence becomes ambiguous.On the other hand, non-essential appositive clauses offer additional, but non-crucial, information about the noun or pronoun. They're like the cool cousin who shows up with fun stories but isn't really necessary for the party to happen.For instance:"My friend, who loves to dance, won the talent show."Here, "who loves to dance" is a non-essential appositive clause. It provides extra information about your friend, but the sentence would still make sense without it.Now, here's where things get a little tricky. Non-essential appositive clauses need to be set off with commas (or, in some cases, dashes or parentheses) to separate them from the rest of the sentence. Essential appositive clauses, on the other hand, shouldn't be set off with commas because they're, well, essential.I know, I know, it's a lot to keep track of. But fear not, my fellow pupils, for I have a nifty little trick to help you remember: Think of non-essential appositive clauses as little asides or side notes. They're like the friend who leans over and whispers a juicy tidbit in your ear during a conversation – you can ignore them, and the conversation will still make sense, but they add a little extra something.。
高中英语知识点归纳同位语从句的用法及常见例句
高中英语知识点归纳同位语从句的用法及常见例句同位语从句是指在一个句子中作为同位语的从句，与同位语的先行词之间存在一种解释、说明或补充的关系。
同位语从句在高中英语中是一个重要的语法知识点，掌握其用法和常见例句对于理解和运用英语非常有帮助。
一、同位语从句的引导词同位语从句通常由连词that引导，也可以由whether/if引导。
二、同位语从句的用法同位语从句常见的用法有以下几种：1. 解释、说明与补充：例如：- I have no doubt that he will succeed.（我毫不怀疑他会成功。
）- The fact that he is late again surprises me.（他又迟到了这个事实让我感到惊讶。
）2. 告知、告诉、提醒：例如：- He made it clear that he won't be able to come.（他明确表示他不能来。
）- Tom informed us that the party was canceled.（汤姆告诉我们聚会取消了。
）3. 想法、观点、看法：例如：- My belief is that hard work pays off.（我的信念是勤奋会有回报。
）- It is my opinion that education should be free for all.（我认为教育应该是免费的。
）4. 目的、原因：例如：- The purpose of the meeting is that everyone can express their opinions.（会议的目的是让每个人都能表达自己的观点。
）- The reason why he is angry is that you didn't inform him in advance.（他生气的原因是你没有提前告诉他。
）5. 疑问、不确定：例如：- I'm not sure if/whether he will come to the party.（我不确定他是否会来参加聚会。
同位语从句知识点总结
同位语从句知识点总结同位语从句知识点总结一、同位语从句指的是在复合句中充当同位语的从句，属于名词性从句的范畴，同位语从句用来对其前面的抽象名词进行说明说明，被说明说明的词和同位语在规律上是主表关系。
同位语从句的先行词通常为answer, hope, fact, truth, belief, news, idea, promise, information, conclusion, order, suggestion, problem, question, thought, report, belief, decision, doubt, opinion, theory等抽象名词。
例如：1. The news that his heath is failing made us sad.他健康状况不佳的消息使我们很难受。
2. I have no idea where they are spending their holidays.我不知道他们在哪里度假。
3. The question who should do the work requires consideration.谁该干这项工作的问题需要考虑。
4. There is no doubt that he will come here again.他会再来这里，这是毫无疑问的。
5. He was tortured by the doubt whether he wouldaccept their presents.他被是否接受他们的礼物这个疑虑所磨折着。
二、掌控同位语从句的用法要留意以下两个问题：1. 同位语从句有时可以不紧跟在它所说明的名词后面，而是被别的词隔开，以使得整个句子的结构显得平衡。
例如：He got the news from Mary that the sports meeting was put off. 他从玛丽那里获知了运动会被推迟的消息。
202X届高考英语语法之同位语从句的考点归纳讲义
千里之行，始于足下。
202X届高考英语语法之同位语从句的考点归纳讲义同位语从句是高考英语语法中的一个重要考点，出现频率较高。
同位语从句是名词性从句的一种，主要由that引导，可以用来修饰名词或代词，作同位语。
同位语从句主要有以下几种用法和结构：1. 说明或解释同位词的内容或概念例：The fact that he failed the exam surprised us.（同位语从句说明了same的内容）2. 表示同位关系：名词+“the fact/idea/belief”+that从句例：There is no doubt the project will be completed on time.（同位语从句表示同位关系）3. 表示同位地位：名词+that从句例：I have the feeling that we've met before.（同位语从句表示同位地位）4. 表示证实、证明的含义：名词+that从句例：The news that she passed the driving test pleased her parents.（同位语从句表示证实的含义）5. 用来引用或重述前文内容：名词+that从句例：She was disappointed at the fact that she didn't get the job.（同位语从句引用前文内容）第1页/共2页锲而不舍，金石可镂。
同位语从句的连接词主要有that，有时也可以用whether/if来引导。
当主句已经使用了某种连接词时，同位语从句就用that来引导，而不用whether/if。
此外，当同位语从句与前面的词有排比关系时，用连词or可将并列的成分连接在一起。
同位语从句的限制和注意事项：1. 当同位语从句是用来表示目的、结果、程度、原因等的时候，可以使用so, such, too, enough等进行修饰。
英语语法同位语从句重点归纳总结
英语语法同位语从句重点归纳总结一、固定用法同位语部分是个句子，就是同位语从句，这种用法比较"固定"。
1、在复合句中用作同位语的从句叫同位语从句。
它一般跟在某些名词后面，用以说明该名词表示的具体内容。
I heard the news that our team had won．我听到了我们队获胜的消息。
2、可以跟同位语从句的名词通常有news，idea，fact，promise，question，doubt，thought，hope，message，suggestion，words （消息），possibility,decision等（一般的“抽象”名词都可用）。
I’ve come from Mr wang with a message that he won’t be able to see you this afternoon．我从王先生那里来，他让我告诉你他今天下午不能来看你了。
3、英语中引导同位语从句的词通常有连词that，whether，连接代词what，who。
连接副词how,when,where等。
（注：if不能引导同位语从句。
）He must answer the question whether he agrees with it or not.他必须回答他是否同意这样一个问题。
4、有时同位语从句可以不紧跟在说明的名词后面，而被别的词隔开。
The thought came to him that maybe the enemy had fled the city．他突然想起敌人可能已经逃出城了。
二、引导词同位语从句的引导词，引导同位语从句的词语通常有连词that，whether，连接代词和连接副词等。
1、that引导that连接从句时从句为一个句意完整的陈述句。
that不能省略，没有具体的意思，不充当句子成分，只起连接作用。
（注：引导同位语从句的that不能省略）The idea that you can do this work well without thinking is quite wrong.你认为不动脑筋就能做好这件工作的想法是完全错误的。
高中英语知识点归纳同位语从句与同位语的区别
高中英语知识点归纳同位语从句与同位语的区别同位语从句与同位语是高中英语中的两个重要概念，它们在句子中的作用和结构稍有不同。
本文将分别归纳和区分同位语从句与同位语的特点。
一、同位语从句同位语从句是指在一个名词性从句中，作为名词的补充说明，用来进一步解释或说明这个名词的具体内容。
同位语从句一般采用连接词“that”引导，也可以用其他连接词如“whether”或“if”。
同位语从句的结构如下所示：主名词 + 同位语从句同位语从句通常用来解释名词的具体内容，增加信息的丰富度。
例如：1. He has the idea that he can win the game.（他有一个想法，认为自己可以赢得比赛。
）2. I heard the news that our team won the championship.（我听到了我们队赢得了冠军的消息。
）3. Her dream is that she can travel around the world.（她的梦想是能够周游世界。
）二、同位语同位语是指在句子中和名词处于同一位置，起到对名词的进一步解释或说明的作用。
同位语通常是由名词、代词、形容词、数词、动名词、不定式等充当。
同位语的结构如下所示：名词 + 同位语同位语能够补充说明名词的信息，增加名词的具体含义。
例如：1. His hobby, swimming, keeps him fit.（他的爱好，游泳，使他保持健康。
）2. The fact that she passed the exam made her parents proud.（她通过了考试的事实使得她的父母感到骄傲。
）3. His dream, to become a doctor, has always motivated him.（他的梦想，成为一名医生，一直激励着他。
）三、同位语从句与同位语的区别同位语从句与同位语都能为名词提供进一步的解释或说明，但两者存在一些区别。
高中英语知识点归纳同位语从句与宾语从句的区别
高中英语知识点归纳同位语从句与宾语从句的区别同位语从句与宾语从句是高中英语中比较重要的知识点，它们在句子中担任不同的成分，有着不同的功能和用法。
下面将对同位语从句与宾语从句的区别进行归纳总结。
一、同位语从句同位语从句是指在一个句子中，用来修饰名词或代词的从句。
它通常紧跟在被修饰名词或代词后面，用来对其进行解释、说明或补充。
同位语从句一般由“that”引导，也可以由连接词“whether/if/who/what/when/where/why/how”引导。
同位语从句的作用是对前面的名词或代词进行解释或进一步说明。
举例1：I have no idea whether he will come or not.翻译：我不知道他是否会来。
举例2：The news that he passed the exam made me happy.翻译：他通过考试的消息使我高兴。
从上面的例句可以看出，同位语从句分别对名词“idea”和“news”进行了解释和说明。
二、宾语从句宾语从句是指在一个句子中，作为另一个句子的宾语的从句。
宾语从句通常作为及物动词、及物介词或感叹句的宾语出现。
宾语从句的引导词多样，根据从句的内容不同可以使用“that/whether/if/who/whom/whose/what/which/how”等连接词。
宾语从句的作用是充当句子中的宾语，起到进一步说明或补充主句意思的作用。
举例1：She asked me if I had finished my homework.翻译：她问我是否完成了作业。
举例2：I don't know what he is doing.翻译：我不知道他在做什么。
从上面的例句可以看出，宾语从句分别作为动词“ask”和“know”的宾语出现，进一步说明了主句的意思。
三、同位语从句与宾语从句的区别1. 位置不同：同位语从句紧跟在被修饰的名词或代词之后，而宾语从句则作为动词的宾语出现在主句中。
2023届高考英语语法之同位语从句的考点归纳讲义
2023年高中英语语法之同位语从句的考点归纳及专项训练同位语从句的结构（一）由that引导I have no doubt that he will overcome all this difficulties.他会克服一切困难，对此我并不感到怀疑。
【特别提示】：同位语从句引导词that不可省略。
（二）由whether引导The question whether we need more time to do the work has not been decided.我们是否需要更多时间来做这项工作，这个问题还未决定。
（三）由其他词引导的同位语从句I have not made up my mind what elective subjects I am to take next term.我还没有决定好下学期上哪些选修课。
When you are about halfway through the story, try to make a guess how the plot will develop.当你把故事读到一半时，猜测一下情节将如何发展。
I have no idea when I will be back from Shanghai.我不知道我什么时候从上海回来。
（四）同位语从句与被修饰名词的分割有时，为了保持句式的平衡，将同谓语从句与被修饰的名词分割，其间出现其他成分。
Concerns were raised that witnesses might be encouraged to exaggerate their stories in court to ensure guilty verdicts.人们日益担心，证人可能会因此而受到鼓励，在法庭上夸大事实（这里先行词concerns与that 以保证陪审团对被告做出有罪的判决。
同位语从句被谓语were raised隔开。
）同位语从句的引导词运用1.that引导同位语从句。
高中英语知识点归纳同位语从句的引导词和用法总结
高中英语知识点归纳同位语从句的引导词和用法总结同位语从句是英语语法中的一种复合句结构，用来进一步说明或解释一个名词或代词。
在同位语从句中，引导词起到连接主句和从句的作用。
本文将总结归纳高中英语中同位语从句的引导词和用法。
1. 引导词“that”：同位语从句中最常见的引导词是“that”。
该引导词用来引导真正的同位语从句，用于说明一个名词或代词。
例句1：I have no doubt that he will pass the test.（我毫不怀疑他会通过考试。
）例句2：The fact that she is always late annoys me.（她总是迟到的事实使我厌烦。
）2. 引导词“wh-”：除了“that”之外，同位语从句中还可以使用“wh-”引导词，如“what”、“when”、“where”、“who”、“which”等。
这些引导词也用于引导同位语从句，解释或说明名词或代词的具体内容。
例句3：I don't understand what you mean.（我不明白你的意思是什么。
）例句4：He told me when the party would start.（他告诉我派对将在何时开始。
）3. 引导词“if”：在某些情况下，同位语从句中可以使用“if”作为引导词，用来表达条件或假设。
例句5：The question is if he will come to the meeting.（问题是他是否会来参加会议。
）4. 引导词“whether”：同位语从句中的另一个常见引导词是“whether”，用来引导一个选择性的同位语从句，表示两种或多种可能性。
例句6：I'm unsure whether she will accept the offer.（我不确定她是否会接受这个提议。
）5. 引导词“whoever”、“whatever”、“whichever”：有时，同位语从句中会使用“whoever”、“whatever”、“whichever”等引导词，用来引导一个无论哪个或无论什么的同位语从句。
高中会考英语同位语从句知识点总结
高中会考英语同位语从句知识点总结高中会考英语同位语从句知识点总结同位语从句就是在复合句中作名词的同位语的名词性从句。
1. 同位语从句的功能同位语从句对于名词进一步解释，说明名词的具体内容，一般由that引导，例如：1) The king’s decision that the prisoner would be set free surprisedall the people.2) The order that all the soldiers should stay still is given by thegeneral.2. 同位语在句子中的位置同位语从句有时可以不紧跟在它所说明的名词后面，而是被别的词隔开。
例如：He got the news from Mary that the sports meeting was put off.3. 同位语从句与定语从句的区别(1) 定语从句中的that既代替先行词，同时以在从句中作某个成分(主语或宾语)，而同位语从句中的that是连词，只起连接主句与从句的'作用，不充当句中任何成分。
(2) 定语从句是形容词性的，其功能是修饰先行词，对先行词加以限定，描述定的性质或特征;同位语从句是名词性的，其功能是对名词进行补充说明。
例如：1) The news that he told me is that Tom would go abroad next year.(他告诉我的消息是汤姆明年将出国。
)(第一个that引导的从句是定语从句，that在从句中作宾语)2)The news that Tom would go abroad is told by him.(汤姆将出国的消息是他讲的。
)(同位语从句，that在句中不作任何成分) 高中英语名词性从句专项练习1.____he does has nothing to do with me.A. whateverB. No matter whatC. ThatD. If2. The manager came over and asked the customer how____A. did the quarrel came about B .the quarrel had come aboutC. had the quarrel come aboutD. had the quarrel come about3.Energy is ____makes thing work..A. whatB. somethingC. anythingD. that4. Information has been put forward ____ more middle school graduates will be admitted into universities.A. whileB. thatC. whenD. as5.This is ___the Shenzhou V Spaceship landed.A. thereB. in whichC. whereD. when6. They have no idea at all____.A. where he has goneB. where did he goC. which place has he goneD. where has he gone7.T he doctor did a lot to reduce the patient’s fear ____he woulddie of the disease.A. thatB. whichC. of whichD. of that8. The order came ___the soldiers ____the small village the nextmorning.A. that ;had to leaveB. that; should leaveC. /; must leaveD. when; should leave9.___is no possibility ____Bob can win the first prize in the match.A. There; thatB. It; thatC. there; whetherD. It; whether10. The question came up at the meeting_____ we had enough money forour research.A. thatB. whichC. whetherD. if答案：1~5 A B A B C6~10 A A B A C。
同位语从句用法知识点总结
同位语从句用法知识点总结同位语从句是英语语法中的一种复杂句结构，它作为名词的同位成分出现，起到进一步解释、说明、补充名词的作用。
在句子中，同位语从句往往与主句的名词存在关系，用于对该名词进行进一步描述、解释或具体化。
下面是同位语从句的几种常见用法及相关注意事项的总结。
1. 同位语从句的引导词：同位语从句通常由“that”引导，作为名词的补充说明。
例如：- I have no idea that he is leaving.（我不知道他要离开。
）- I heard the news that she got married.（我听说她结婚了。
）2. 同位语从句的内容：同位语从句的内容通常是对名词进行解释或具体化的句子。
例如：- The fact that he passed the test surprised everyone.（他通过了考试这个事实让大家感到惊讶。
）- My dream is that I can travel around the world.（我梦想能够环游世界。
）3. 同位语从句与关系从句的区别：同位语从句与关系从句在引导词和作用上有所不同。
同位语从句是对名词进行解释、具体化，而关系从句是对名词进行限制、修饰。
例如：- I believe that he will succeed.（同位语从句，解释名词“believe”）- I trust the person who promised to help me.（关系从句，限制名词“person”）4. 注意同位语从句的标点符号：同位语从句引导词“that”通常不需要逗号隔开，而与主句的联系紧密，直接连接在名词后面。
但在口语或强调句中，可用逗号将同位语从句与主句分开。
例如：- The fact that he didn't come to the party disappointed me.（同位语从句与主句直接连接）- Her biggest wish, that she could meet her idol, finally came true.（用逗号将同位语从句与主句隔开）5. 常见的同位语从句的名词：同位语从句可以出现在很多不同类型的名词之后。
高中英语知识点归纳同位语从句与定语从句的区别
高中英语知识点归纳同位语从句与定语从句的区别同位语从句和定语从句是高中英语中常见的从句结构，它们在使用和功能上存在一些区别。
本文将对同位语从句和定语从句的定义、结构、用法以及区别进行详细介绍。
一、同位语从句的定义和结构同位语从句是指在一个句子中作主句的名词性成分（如名词、代词、动词不定式、动名词等）后连词“that”引导的从句。
同位语从句通常用来解释说明或补充说明前面的名词性成分。
1. 结构：同位语从句的结构一般为：“名词性成分 + 连词that + 从句”。
例如：a. 我听说他不喜欢读书。
I heard (that) he doesn't like reading.b. 大家都知道这是个事实。
Everyone knows (that) it is a fact.二、定语从句的定义和结构定语从句是指在一个句子中作主句的名词性成分（如名词、代词、动词不定式、动名词等）后，由关系词（如who，whom，whose，which等）引导的从句。
定语从句通常用来修饰或限定前面的名词。
1. 结构：定语从句的结构一般为：“名词性成分（先行词） + 关系词 + 从句”。
例如：a. 这是我喜欢的书。
This is the book (which/that) I like.b. 那个帮助我们的人是谁？Who is the person (who/whom) helps us?三、同位语从句和定语从句的用法比较虽然同位语从句和定语从句都是从句结构，但它们在用法上有一些区别。
1. 功能不同：同位语从句在句子中起补充说明或解释前面名词性成分的作用，相当于一个同位语；而定语从句的作用是修饰或限定前面的名词性成分。
2. 引导词不同：同位语从句通常由连词“that”引导，有时也可以省略；而定语从句由关系词（如who, whom, whose, which）引导。
3. 位置不同：同位语从句通常跟在名词性成分之后，并起到进一步解释、说明、补充前面名词性成分的作用；而定语从句一般跟在被修饰名词性成分之后，用来修饰或限定该名词性成分。
同位语从句知识点讲解 高考英语语法总复习
同位语从句知识点讲解高考英语语法总复习同位语和同位语从句什么是同位语？所谓同位语，就是一个名词或代词后面有时可以跟一个名词（或起类似作用的其他形式），对前者进行解释或补充说明，进一步说明它指的是谁、是什么等，这一部分就叫做同位语。
同位语除表示其同位成分的全部意义外，还可以表示部分意义。
同位语与被它补充说明的词的格要一致，并常常紧挨在一起，关系紧密时不用逗号隔开，只做补充解释时可用逗号隔开。
又是一个专业到可有可无的解释，哈哈哈~好吧，咱们还是按照惯例，直接看例子，一看例子你就明白了：- Mr. Jobs, our new boss, is very important to our company.我们的新老板乔布斯先生对我们公司非常重要。
(our new boss 是Mr. Jobs 的同位语)- John told me that his friend William was a world-famous scientist.约翰告诉我，他的朋友威廉是一位世界著名的科学家。
(William 是friend 的同位语)- We Chinese people are brave and hardworking.我们中国人是勇敢的、勤劳的。
(Chinese people 是we 的同位语)什么是同位语从句？如果句子的同位语是由一个句子充当的，那么这个充当同位语的句子就叫做同位语从句。
- The news that his child was safe eased his mind.孩子平安的消息使他放心了。
(句子"that his child was safe" 是news的同位语)- The question whether the doctor will come is a moot point．医生是否会来这个问题是个争执点。
(句子"whether the doctor will come" 是question 的同位语)- Tom had no idea what Dad meant．汤姆不知道爸爸是什么意思。
高中英语知识点归纳同位语从句的用法
高中英语知识点归纳同位语从句的用法同位语从句是高中英语中的重要知识点之一，它在句子中能引出同位语作用，对于理解句子的结构和意义有着重要的作用。
本文将系统地归纳同位语从句的用法，帮助读者更加深入地理解并掌握这一知识点。
同位语从句是指一个句子中作主语、宾语、表语、同位语的从句，以下将分四个部分讨论这四种情况，并给出相应的例句以便更好地说明。
一、同位语从句作主语同位语从句作主语是指从句在句子中充当整个句子的主语。
常见的引导词有that、whether等。
以下是一些示例：1. That he is innocent is beyond doubt.（他是无辜的是毫无疑问的。
）2. Whether she will come to the party is still uncertain.（她是否会来参加派对还不确定。
）二、同位语从句作宾语同位语从句作宾语是指从句在句子中充当整个句子的宾语。
常见的引导词有that、if、whether等。
以下是一些示例：1. We know that he is a talented musician.（我们知道他是个有才华的音乐家。
）2. I don't know if/whether he can solve the problem.（我不知道他是否能解决这个问题。
）三、同位语从句作表语同位语从句作表语是指从句在句子中充当整个句子的表语。
同位语从句常见的引导词有that、whether等。
以下是一些示例：1. His hope is that he can go abroad to study.（他的希望是能够出国留学。
）2. The truth is whether you like it or not.（事实是无论你喜欢与否。
）四、同位语从句作同位语同位语从句作同位语是指从句在句子中充当名词性的同位语。
常见的引导词有that、whether等。
以下是一些示例：1. The question is whether we should take immediate action.（问题是我们是否应该立即采取行动。
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高中英语同位语从句知识点整理
1.定义：用作同位语的从句叫做同位语从句。
2.用法：同位语从句的先行词多为fact,news,idea,thought,question,reply,report,remark 等，关联词多用从属连词that。
例如：
Theywereallverymuchworriedoverthefactthatyouweresic k.对你生病这件事，他们都很焦虑。
wheredidyougettheideathatIcouldnotcome?你在哪儿听说我不能来?
注：同位语从句偶尔由从属连词whether引导。
例如：Ihavenoideawhetherhe'llcomeornot.我不知道他是否来。
连接代词who,which,what和连接副词where,when,why,how亦可引导同位语从句。
例如：
Thequestionwhoshoulddotheworkrequiresconsideration.谁该干这项工作，这个问题需要考虑。
Itisaquestionhowhedidit.那是一个他如何做了此事的问题。
注：
.一些表示“建议、命令、要求”的名词后所跟的同位语从句中，谓语动词用虚拟语气should+动词原形表示。
should可省。
例如：
Thisisouronlyrequestthatthisbesettledassoonaspossib le.这就是我们唯一的请求：尽快解决这个问题。
2.引导词that在同位语从句中不作句子成分；而在定语从句中必作句子成分，是从句所修饰的词的替代词。
例如：
Thefactthatthechinesepeopleinventedthecompassisknow ntoall．中国人发明指南针这个事实是众所周知的。
（同位语从句）
Thefactthatwetalkedaboutisveryimportant．我们谈论的这个事实很重要。
（定语从句）。