英语所有从句 辨析
高中英语定语从句状语从句宾语从句辨析
高中英语定语从句状语从句宾语从句辨析Mastering the Intricacies of Clause Types in High School EnglishOne of the fundamental aspects of English grammar that often challenges high school students is the proper identification and usage of different types of clauses. Specifically, the ability to distinguish between attributive clauses, adverbial clauses, and object clauses is a crucial skill that can significantly impact one's proficiency in the language. In this essay, we will delve into the distinctive characteristics of these clause types and explore strategies for effectively recognizing and employing them in high school English.Attributive ClausesAttributive clauses, also known as relative clauses, are subordinate clauses that modify a noun or pronoun in the main clause. These clauses provide additional information about the noun or pronoun, and they are typically introduced by relative pronouns such as "who," "which," "that," "whose," and "whom." Attributive clauses can be essential, meaning they are necessary to identify the specific noun or pronoun being modified, or non-essential, meaning they provideadditional, non-critical information.For example, in the sentence "The student who scored the highest on the test received a scholarship," the attributive clause "who scored the highest on the test" modifies the noun "student," providing additional information about which student is being referred to. In this case, the attributive clause is essential, as it is necessary to identify the specific student being discussed.On the other hand, in the sentence "The teacher, who has been teaching for 20 years, is retiring this year," the attributive clause "who has been teaching for 20 years" provides additional, non-essential information about the teacher. The sentence would still make sense without this clause, as the main focus is on the teacher's retirement.Mastering the use of attributive clauses is crucial for high school students, as they are commonly employed in academic writing and literary analysis. Identifying the role of these clauses, whether essential or non-essential, can help students comprehend complex sentence structures and express their ideas more effectively.Adverbial ClausesAdverbial clauses are subordinate clauses that modify the verb, adjective, or adverb in the main clause. These clauses provideinformation about time, place, manner, cause, condition, concession, or purpose, and they are typically introduced by subordinating conjunctions such as "when," "where," "because," "if," "unless," "although," and "in order to."For instance, in the sentence "Because she studied hard, the student earned a high grade on the exam," the adverbial clause "Because she studied hard" modifies the verb "earned" in the main clause, providing information about the reason for the student's high grade.In another example, "If it rains tomorrow, we will cancel the picnic," the adverbial clause "If it rains tomorrow" modifies the verb "will cancel" in the main clause, indicating the condition under which the picnic will be canceled.Adverbial clauses play a crucial role in high school English, as they help students convey complex ideas and relationships between events or ideas. Recognizing and properly using adverbial clauses can enhance the clarity and coherence of students' written and oral communication.Object ClausesObject clauses are subordinate clauses that function as the direct or indirect object of the verb in the main clause. These clauses provide additional information or details about the object of the sentence.Object clauses are typically introduced by subordinating conjunctions such as "that," "whether," "if," "why," "when," "where," and "how."For example, in the sentence "The teacher explained that the assignment was due on Friday," the object clause "that the assignment was due on Friday" serves as the direct object of the verb "explained" in the main clause.In another example, "The student asked whether they could turn in the assignment late," the object clause "whether they could turn in the assignment late" functions as the direct object of the verb "asked" in the main clause.Recognizing and properly using object clauses is essential for high school students, as they are commonly employed in academic writing, particularly in the context of reporting information, expressing opinions, and conveying complex ideas. Mastering the use of object clauses can enhance students' ability to communicate their understanding and analysis effectively.Strategies for Effective Clause Identification and UsageTo effectively distinguish between attributive clauses, adverbial clauses, and object clauses in high school English, students can employ several strategies:1. Identify the function of the clause: Determine whether the clause is modifying a noun/pronoun, a verb/adjective/adverb, or serving as an object of the verb.2. Recognize the introductory words: Pay attention to the relative pronouns (who, which, that, whose, whom) for attributive clauses, the subordinating conjunctions (when, where, because, if, unless, although, in order to) for adverbial clauses, and the subordinating conjunctions (that, whether, if, why, when, where, how) for object clauses.3. Analyze the sentence structure: Observe how the clause is integrated into the main clause and the overall meaning of the sentence.4. Practice, practice, practice: Engage in exercises that involve identifying and classifying different types of clauses, as well as constructing sentences with appropriate clause usage.5. Seek feedback and guidance: Consult with teachers, tutors, or language resources to receive feedback on your clause identification and usage, and to clarify any areas of confusion.By mastering the distinctions between attributive clauses, adverbialclauses, and object clauses, high school students can enhance their understanding of English grammar, improve their writing and communication skills, and effectively convey their ideas in a clear and coherent manner.。
高中英语所有定语从句考点总结
高中英语所有定语从句考点总结定语可以由形容词、名词、代词、分词、不定式以及介词短语等来担任，也可以由一个句子来充当，充当定语功能的句子称为定语从句。
1.先行词：被定语从句所修饰的名词或代词①指人的先行词②指物的先行词★ 先行词还可以是前面整个句子所叙述的事情。
He has passed the driving test, which surprises all of us. (which替代前面所叙述的事情) 先行词2.关系词：引导定语的词(1)关系词的作用①替代前面的先行词（替代作用）②连接主句和定语从句（连接作用）③在定语从句中作句子成分（成分作用）(2)关系词的分类①标准：根据关系词在从句中做的句子成分种类②关系代词：在从句中做 主，宾，表，定（that/which/who/whom/whose/as）③关系副词：在从句中作状语(When/where/why)3.定语从句：用来做定语，修饰限定先行词的句子1.限制性定语从句：对先行词起限定修饰作用。
He is a teacher who works at our school.2.非限制性定语从句：对先行词起补充说明作用(先行词与定语从句之间有逗号隔开)Beijing, which is the capital of China, is a beautiful city with a long history.比较：He has two sons, who work in the same company.(He has only two sons.)He has two sons who work in the same company.(Perhaps he has two more sons)1.关系代词的省略(限定性定语从句)(1)关系代词在定语从句中作宾语She is the girl (whom / that) I loved before. (可以省略whom/that)(2)关系代词在定语从句中作表语He is no longer the boy (that) he used to be. (可以省略that)(3)关系代词作介词宾语，介词在从句句尾时可以省略Housing price is a problem (that/which) people are interested in.比较：Housing price is a problem in which people are interested.（此时只能用which且不能省略） 2.先行词是人(that/who的区别)(1)用that的情况①以疑问词who开头的句子中Who is the man that is shouting there?②关系代词在从句中作表语时She is not the girl that she used to be.③先行词被the very, the right, the only修饰This is the very person that we are looking for.(2)用who的情况①先行词是one, ones, anybody, all, none, those 等Those who want to go to the cinema will have to wait at the gate of the school.②句子中有两个定语从句,一个用了that,另外一个用whoWho is the boy that won the gold medal?③在there be 结构中There are many young men who are against him.④在非限定性定语从句当中Tom, who is my best friend, has gone abroad to study.3.先行词是物(that / which的区别)(1)用which的情况①在非限定性定语从句中She lost the game, which depressed her greatly.②关系词置于介词之后，作宾语The pen with which you write is Jack’s.Let me show you the novel that I borrowed from the library which is newly open to us.(2)用that的情况①先行词是不定代词如all, little, few, much,anything, everything, nothing, none, no one等She did all that she could to help us.②先行词被all, every, no, some, little, much, the only, he very, the right，the last等所修饰时This is the very book that I want.③先行词中既有人又有物时She described in her compositions the people and he places that impressed her most.④先行词前有序数词或形容词最高级修饰时This is the best book that I have ever read.This is the first film that I’ve seen since I came here.⑤定语从句中套定语从句，其中一个关系词以用which, 另外一个用thatHe built a factory which produced things that had never been seen before.⑥当主句的主语是疑问词which,另一个用thatWho is the person that is standing at the gate?4.As引导定语从句用法(1)As 既可以引导限制性定语从句也可以用于非限定性定句中充当主语，宾语，表语等。
英语从句大全及讲解
英语从句大全及讲解
英语从句是英语语法中的重要部分，包括主语从句、宾语从句、表语从句、同位语从句等。
以下是一些英语从句类型及讲解：
1.主语从句：主语从句是一个完整的句子作为主语，引导词有what、who、
whom、whose、which等。
例如：What he said at the meeting was very important.
2.宾语从句：宾语从句是一个完整的句子作为宾语，引导词有that、which、
what、who、whom等。
例如：I don't know who will win the game.
3.表语从句：表语从句是一个完整的句子作为表语，引导词有that、which、
who、whom等。
例如：The problem is who will take care of the children.
4.同位语从句：同位语从句是一个完整的句子作为同位语，引导词有that、
which、who、whom等。
例如：The news that he won the prize made us very happy.
1/ 1。
英语所有从句大全
英语所有从句大全英语从句大全1）表语从句1.定义：用作表语的从句叫做表语从句。
2.构成：关联词+简单句3.引导表语从句的关联词的种类：（1）从属连词that.如：The trouble is that I have lost his address.烦恼是我把他的地址丢了。
（2）从属连词whether，as，as if.如：He looked just as he had looked ten years before.他看起来还与十年前一样。
The question is whether they will be able to help us.咨询题是他们是否能帮我们。
注：从属连词if普通别用来引导表语从句，但as if却可引导表语从句，如：All this was over twenty years ago，but it’s as if it was only yesterday.这基本上20多年前的事了，但犹如昨天一样。
能跟表语从句的谓语动词普通为系动词be，seem，look等。
如：It looked as if it was going to rain.看起来天要下雨了。
（3）连接代词who，whom，whose，what，which，whoever，whatever，whichever连接副词where，when，how，why.如：The problem is who we can get to replace her.咨询题是我们能找到谁去替换她呢。
The question is how he did it.咨询题是他是怎么做此事的。
That was what she did this morning on reaching the attic.那算是她今晨上了亭子干的。
解释：1.连词because可引导表语从句。
如：I think it is because you are doing too much.我想这是因为你做得太多。
高中英语语法：宾语从句、不定式的构成以及同位语从句大剖析
高中英语语法：宾语从句、不定式的构成以及同位语从句大剖析今天让我们一起来学习一下关于高中英语的语法吧，我们都知道语法对于一门英语的重要性，今天学习的有：宾语从句、不定式的构成以及同位语从句，一起来看一下吧。
一、宾语从句1.定义：用作宾语的从句叫宾语从句。
2.构成：关联词+简单句3.引导宾语从句的关联词有三类：(1)从属连词that。
如：He told us that he felt ill.他对我们说他感到不舒服。
I know he has returned.我知道他已经回来了。
注：that在引导宾语从句时也并不是任何情况下都可以省略。
在以下情况下，that不能省略。
1.Everybody could see what happened and that T om was frightened.(and连接两个宾语从句，that宾语从句放在and的后面时，that不能省略。
)大家都会看出所发生的事情并知道T om非常害怕。
2.I know nothing about him except that he is from the south.(that引导的宾语从句作介词宾语时，that不能省略。
)对他我一无所知，只知道他是南方人。
3.That he ever said such a thing I simply don’t believe.(that 从句位于句首时，that不可省略。
)我简直不相信他曾说过这样的话。
4.We decided,in view of his special circumstances,that we would admit him for a probationary period.(主句谓语动词与that 从句之间有插入语，that不可省略。
)鉴于他的特殊情况，我们决定应允他一段试用期。
(1)介词宾语从句宾语从句也可用作介词的宾语。
如：He was deeply displeased by what had occurred that day.他对那天发生的事感到很不快。
高考英语语法复习：八种状语从句的用法
高考英语语法复习：八种状语从句的用法状语从句状语从句有时间、地点、原因、目的、方式、结果、条件、让步等八种。
一、时间状语从句：引导词有after，before，as，once，since，till，until，when，whenever，while，as soon as，the moment/minute…(一…就)，the time,the day,every time,next time,each time，by the time of，no sooner…than(一…就)，hardly…when(一…就).例如：Each/Every time he comes here,he will drop in on me.每次他来这儿他都顺便看我.He was ill last time I saw him.上次我见到他时他病了.No sooner had she heard the news than she cried.她一听到这个消息就哭了.[辨析]when与whilewhen引导的从句动词可以是延续性的或短暂性的，while引导的从句中动词必须是延续性的;在“be…when…”句式中when表“at that time(就在这时)”意，这样用的when不能换为while;while有时并不表示时间，而表示对比，意“而”、“却”，when无这样的用法。
例如：When I got home I found the door locked./While(或When)we were working in the fields,it suddenly began to rain./He was wandering through the streets when a bike hit him./His pencil is red,while mine is yellow.[辨析]till与until一般情况下可以互换，但until可以位于句首，till则不能。
高中英语定语从句详解
高中英语定语从句详解高中英语定语从句详解定语从句主要用于修饰句子中的名词、代词或上文提到的一件事（句子）。
而定语从句的位置常常是紧跟在被修饰的名词、代词或句子的后面。
在被修饰的名词、代词（先行词）与定语从句之间往往有一个关系词将其前后两部分联系成一个整体。
关系词与后面的句子合称定语从句。
1）three signs that indicate a person is suffering from a heart attack三种意味着一个人患心脏病的迹象在这个带有定语从句的短语中：signs是：被修饰的名词；that是：关系词；that indicate a person is suffering from a heart attack是定语从句2）those who drink a lot 那些大量饮酒的人在这个带有定语从句的短语中：those是：被修饰的代词；who是：关系词;who drink a lot是：定语从句。
3）Do you know the name of that girl whose brother is your roommate ?你知道她的哥哥与你同寝室的那位女孩的名字吗？通过上面的演示,我们可以归纳出：（1）定语从句在英语中放在被修饰的词后，翻译成汉语时置于被修饰的词之前，且有汉字“的”（2）定语从句在句子中的位置、结构如下：被修饰的名词/ 代词+ 关系词+ 句子(其中，"被修饰的名词/代词"在语法叫作"先行词".) 要点提示：1）先行词=关系词。
所以先行词在从句中不在出现。
先行词的意义以及它在从句中的语法功能（句子成分）决定关系词的选择。
定语从句中的关系词只有两类：关系代词和关系副词；所有关系词不但都有具体的意义而且都在从句中担任一定的成分。
1）关系代词：who , whom , whose , which , that 等。
英语所有从句大全
英语从句大全1）表语从句1.定义：用作表语的从句叫做表语从句。
2.构成：关联词+简单句3.引导表语从句的关联词的种类：（1）从属连词that.如：The trouble is that I have lost his address.麻烦是我把他的地址丢了。
（2）从属连词whether，as，as if.如：He looked just as he had looked ten years before.他看起来还与十年前一样。
The question is whether they will be able to help us.问题是他们是否能帮我们。
注：从属连词if一般不用来引导表语从句，但as if却可引导表语从句，如：All this was over twenty years ago，but it’s as if it was only yesterday.这都是20多年前的事了，但宛如昨天一样。
能跟表语从句的谓语动词一般为系动词be，seem，look等。
如：It looked as if it was going to rain.看起来天要下雨了。
（3）连接代词who，whom，whose，what，which，whoever，whatever，whichever连接副词 where，when，how，why.如：The problem is who we can get to replace her.问题是我们能找到谁去替换她呢。
The question is how he did it.问题是他是如何做此事的。
That was what she did this morning on reaching the attic.那就是她今晨上了阁楼干的。
解释：1.连词because可引导表语从句。
如：I think it is because you are doing too much.我想这是因为你做得太多。
语法精讲——从句的辨析
一、弄清复句的概念。
复句是指“主句+从句”。
英语中共有：三种从句类型：状语从句，定语从句和名词性从句。
从句的构成：从句的标志词+陈述句。
从句存在的规则：两句并存有且必须有一主一从之分。
标志词的使用规则：两句并存有且仅有一个从句的标志词。
二、了解如下三大从句的功能解析。
定语从句：（整个从句在主句中充当一个定语）构成：the+先行词（被修饰名词）+关系词+陈述句。
如何判断是一个定从：只要主句中有一个名词或整个主句在后面的从句中充当一个逻辑意思成分，该从句即为定语从句。
如何选择关系词：看从句缺少什么成分，指什么。
关系词的功能：who（定从中做主语，指人）whom（定从中做宾语，指人）that（定从中做主/宾语，指人/物）whose（定从中做定语，指人/物）which（定从中做主/宾语，指物）as（整个主句在从句中做主/宾，从句中常含有know/see/expect 的标志，且此定从常可置于主句之前，译为“正如…样”）when（定从中做时间状语）where（定从中做地点状语）why（定从中做原因状语）☆翻译原则：先译定从加“的”再译被修饰名词。
名词性从句：（在一个句子中的名词性成分——主语、表语、宾语、同位语处出现的句子）构成：连词+陈述句分类：主语从句，表语从句，宾语从句，同位语从句。
如何选择连词：只要判断一个从句中缺何成分，指什么。
连词的各个功能如下：that（不做任何成分，没有任何实意，只陈述事实，宾从中可省）who（做主语，指人，译为“谁”）whom（做宾语，指人，译为“谁”）whose（做定语，指人，译为“谁的”）which（做定语，指物，译为“哪一个”、“哪一些”可和of连用表范围指人）what（做主、表宾，指物，译为“什么”或“是…的”）when（做时间状语，译为“何时”）where（做地点状语，译为“哪里”）why（做原因状语，译为“为什么”）how（做方式状语，译为“怎么”“怎样”）if（是否，只用于及物动词的宾从中）whether （是否，可用于一切名从中常和or not 连用）☆翻译原则：是按词序不变。
高中英语从句类型
从句的分类六大从句类型主语从句用作主语.That the earth is round is true.宾语从句用作宾语;Do you know where he lives表语从句用作表语.My opinion is that you should not go alone.同位语从句用于解释说明前面的名词,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;The fact that the earth is round is true.that从句用于解释说明the fact定语从句相当于一个形容词,用于修饰前面的名词;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;The student who answered the question was John.状语从句相当于一个副词,修饰主句中的动词, 形容词和副词, 通常有从属连词引导, 按其意义和作用可分为时间, 地点, 条件, 原因, 让步, 目的, 结果, 方式, 比较.等When it rains, I usually go to school by bus.If he comes tomorrow, you will see him.He returned home to learn his daughter had just been engaged.You must speak louder so that /in order that you can be heard by all.Since /As the weather is so bad, we have to delay our journey.从句划分技巧主句和从句的划分方法是相同的;句子的成分从谓语动词处来划分比较容易;谓语动词前面的部分是主语,后面常接宾语,修饰谓语动词的是状语,修饰主语、宾语的是定语,若谓语是系动词,则系动词后的部分是表语;定语从句VS同位语从句定语从句是先行词的修饰语,它不涉及先行词的实质内容,在定规从句中“that”往往充当某一成分且作宾语时可以省略;同位语从句是对中心词的内容作进一步的解释和说明,表明中心词语的具体、实际内容;“that”在同位语从句中不充当任何成分且不可以省略;从句划分练习1. It is quite clear that the crime was down deliberately.2. She suggested that he do it at once.3. That the earth is round is true．4. The problem is not who will go but who will stay.5. The student who answered the question was John．6. Have you any idea how soon they’re coming.7. My original question, why he did it at all ,has not been answered.8. When it rains, I usually go to school by bus．9. What you need is more practice.10. It is still a question when we shall have our sports meet.11. I think it best that you should stay here.12. The question is whether it is worth doing.14. We must find out who did all these.15. Jack is no more frightened than Mike is.16. We expressed the hope that he would come to China again.17. The fact that the earth is round is true．18. There are many organizations whose purpose is to help the homeless.19. Do you know where he lives20. This is the reason why he refused to help us.21. Such people as you describe are rare nowadays.22. He is so humorous that we’ll never forget him.23. My opinion is that you should not go alone．24. I will stand where I can see the parade clearly.25. I’ll take whoever wants to g o with me to the theatre.26. The news that he told me was that Tom would go abroad.27. If he comes tomorrow, you will see him．28. The news that Tom would go abroad was told by him.。
英语从句辨析50个例句
英语从句辨析50个例句英语从句是英语语法中的一个重要部分，主要包括名词性从句、定语从句和状语从句。
以下是50个例句，用于帮助辨析不同类型的英语从句：一、名词性从句1、主语从句：What he said is not true.（他说的不是真的。
）2、宾语从句：I don't know if he will come.（我不知道他是否会来。
）3、表语从句：The question is who will go there.（问题是谁会去那里。
）4、同位语从句：The news that he resigned was surprising.（他辞职的消息令人惊讶。
）5、主语从句：Whether he will come or not remains uncertain.（他是否会来还不确定。
）6、宾语从句：I doubt whether he can finish the task on time.（我怀疑他是否能按时完成任务。
）7、表语从句：The question is when we should start the project.（问题是我们应该何时开始这个项目。
）8、同位语从句：The fact that she won the prize was a great honor for her family.（她获奖的事实对她家来说是一种极大的荣誉。
）9、The question whether we should proceed with the project remains unanswered. (我们是否应该继续这个项目的问题尚未回答。
)10、It's a fact that the company is going through a tough period. (公司正在经历困难时期，这是事实。
)11、The reason why he resigned was not made public. (他辞职的原因没有公开。
英语从句辨析50个例句
英语从句辨析50个例句全文共四篇示例，供读者参考第一篇示例：英语从句是英语语法中一个非常重要的部分，许多学习者在学习英语的过程中经常会混淆各种不同类型的从句，导致语言表达不够准确。
在这里将带大家练习50个不同类型的英语从句，帮助大家更好地理解和运用英语从句。
1. 偏转疑问句：请你把那本书给我好吗？Can you please give me that book?2. 定语从句：这是我买的鞋。
These are the shoes that I bought.4. 原因状语从句：因为我生病了，所以我没有去上学。
I didn't go to school because I was sick.7. 目的状语从句：我帮他学习，以便他能及时完成作业。
I helped him study so that he could finish his homework on time.8. 地点状语从句：你在哪里见到他的？Where did you see him?10. 比较状语从句：我比他更高。
I am taller than him.12. 主语从句：你是否知道他的名字？Do you know what his name is?16. 虚拟语气从句：如果我是你，我会努力学习。
If I were you, I would study hard.21. 结果从句：他努力学习，因此取得了很好的成绩。
He studied hard, so he got very good grades.23. 地点从句：我不知道在哪里可以买到这本书。
I don't know where to buy this book.31. 让步从句：尽管天气很冷，但他准时到达了。
Despite the cold weather, he arrived on time.34. 结果从句：他下了很多功夫，终于通过了考试。
He put in a lot of effort and finally passed the exam.45. 条件从句：如果你明天去购物，记得给我买件新衣服。
2021高考英语必考难语法三大类从句辨析
2021高考英语必考难语法三大类从句辨析辨析三大从句高中英语重要的三大从句：定语从句，名词性从句以及状语从句，它们在一起就像是兄弟关系一般，很多学生都会搞混淆，今天就让我们一起清清楚楚，完完全全地弄明白他们之间的关系吧！从含义及分类看三大从句★定语从句含义：也称形容词性从句，一个句子跟在一个名词或代词（先行词）后进行修饰限定。
分类：限制性定语从句和非限制性定语从句。
★状语从句含义：指句子用作状语时，起副词作用的句子。
状语从句中的从句可以修饰谓语、非谓语动词、定语、状语或整个句子。
分类：可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。
★名词性从句含义：在句子中起名词作用的句子。
名词性从句的功能相当于名词词组，它在复合句中能充当主语、宾语、表语和同位语等。
分类：主语从句，表语从句，宾语从句和同位语从句。
从句中位置看三大从句定语从句1. ……先行词（名词或代词）+ 限定性定语从句2. ……先行词（名词或代词），+非限定性定语从句Gone are the days when Shanghai was a paradise for imperialist adventures.Is this the restaurant in which you work？My elder sister, who is twenty, is now studying in the university.状语从句1. 主句+ 状语从句2. 状语从句，+主句(注意逗号)Speak to him slowly so that he may understand you better.No matter how difficult the work may be，we must surely complete it.名词性从句1、主语从句+ 谓语+ 其他成分lt（形式主语）+ 谓语+ 主语从句That he will attend the meeting is certain.It is unknown who did the work.2、主语+ 连系动词+ 表语从句The question is whether he will come here tonight.3、...同位语词news（idea，fact，hope，promise...）+同位语从句名词性从句★连接词：that，whether，if，as if。
初二英语时间状语从句 when、while 辨析单选题 30 题
初二英语时间状语从句when、while 辨析单选题30 题1.I was reading a book when my mother came in.A.whenB.whileC.asD.since答案解析：A。
本题考查when 和while 的区别。
when 既可以表示某一时刻，也可以表示一段时间，在本句中表示“当……的时候”，符合语境。
while 通常表示一段时间，强调动作的同时性。
as 表示“随着”或“当……的时候”，但与本题语境不太相符。
since 表示“自从”，不符合题意。
2.Mary was singing while her brother was playing the guitar.A.whenB.whileC.asD.since答案解析：B。
while 强调两个动作同时进行，在本句中表示玛丽唱歌和她哥哥弹吉他这两个动作同时发生。
when 虽然也可以表示同时，但更强调一个动作发生时另一个动作突然发生。
as 和since 不符合语境。
3.I saw him when I was walking in the park.A.whenB.whileC.asD.since答案解析：A。
when 表示“当……的时候”，在本句中符合语境。
while 通常用于表示一段时间的动作同时进行，这里“walking in the park”不是持续很长时间的动作。
as 和since 不符合题意。
4.He was cooking while his wife was watching TV.A.whenB.whileC.asD.since答案解析：B。
while 强调两个动作同时进行，在本句中他做饭和他妻子看电视同时发生。
when 更强调一个动作发生时另一个动作突然发生。
as 和since 不符合语境。
5.I was doing my homework when the phone rang.A.whenB.whileC.asD.since答案解析：A。
初中英语要考的所有定语从句考点归纳总结
初中英语要考的所有定语从句考点归纳总结定语从句作为英语语法中较难理解与掌握的部分，在各地中考题及一模、二模中屡次出现，由于其复杂程度较高、逻辑性较强、理解难度很大，屡屡让同学们丢分数、失信心、丧斗志！它是一种形容词的关系从句，由关系代词或关系副词引导。
初中英语中的定语从句仅限于限制性定语从句，如果你对这一部分的内容不太熟悉的话，一定要好好看看这篇文章！一、英语中的定语从句与汉语中的定语位置不同。
在复合句中，修饰某一名词或代词的从句叫做定语从句。
英语中的定语从句始终要放在被修饰的词之后，而汉语中的定语则放在被修饰词之前。
如：The man（先行词）who / that I saw at the school gate yesterday （定语从句）is my English teacher.昨天我在校门口看见的那个人是我的英语老师。
二、英语从句中的句型结构比较复杂，有先行词、关系代词或关系副词。
被定语从句修饰的词叫先行词，引导定语从句的关联词有关系代词或关系副词。
限制性关系分句和它的先行项的所指意义有着不可分割的联系。
关系代词或关系副词放在先行词和定语从句之间起纽带作用，关系代词或关系副词在定语从句中要充当一个成分。
关系代词在句中可作主语、宾语或定语，关系副词在句中作状语。
如：I am waiting for the boy（先行词）who /that（关系代词）is wearing a red coat. （主语）我正在等穿着红色外套的那个男孩。
The dictionary （先行词）that / which（关系代词）my sister gave me last Sunday is very expensive.（宾语）我姐姐上周星期天给我的那本字典很贵。
The woman is his mother（先行词）whose（关系代词）name is Linda Brown. (定语)那个是他的母亲，名叫琳达·布朗。
英语从句知识点总结归纳
英语从句知识点总结归纳宾语从句一．定义：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 teache r when he grew up.二．宾语从句有三种类型：1．由从属连词t hat引导的宾语从句表示陈述意义，连词that常可被省略。
例如：I hope (that) they will have fun. Mary said that she felt sleepy.Can’tyousee(that)I’mabird?注意：（1）当主句的谓语动词是th ink,believ e等时，宾语从句尽管要表示否定意义，却不用否定形式，而将thin k等动词变为否定形式。
如：Idon’tthinkhe will come.我认为他不会来。
（2）两个表示陈述意义的宾语从句并列时，有时省去第一个从句的连词that，但第二个从句的连词th at一般不可以省略。
如：He told me (that)they couldnot decide what to do and that they askedmy advice.2.由从属连词i f或whe ther引导的宾语从句表示“是否（有，能，已经……）”等一般疑问句的含义。
例如：I wonder whethe r (if) he liveshere.3.由连接代词w ho,whom,whose,what,which和连接副词w hen,where,how,why等引导的宾语从句表示“谁，谁的，什么，哪（个，些），何时，何地，怎样，为什么”等等特殊疑问句的意义。
除了连接词及被修饰的词提前以外，宾语从句用陈述句语序。
例如：To masked who couldgive the messag e to her mother.Do you know what he said just now? I wonder ed how old his brothe r was.三.宾语从句的时态呼应：“主现则从任，主过则从过，客观真理一般现”1．当主句是现在时或将来时的时候，宾语从句可以用所需要的任何时态。
英语句型分析之状语从句（完整版）
英语句型分析之状语从句（完整版）状语从句⽤来修饰主句中的动词，副词和形容词的从句叫状语从句。
时间状语从句 when, whenever, while, as, before, after, since, till, once, as soon as,etc.地点状语从句 where,wherever原因状语从句 because, since, as, for, now that, etc.⽬的状语从句 in order that, so that, that, etc.结果状语从句 so…that, so that, such…that, that, etc.条件状语从句 if, unless, as(so)long as, etc.让步状语从句 though, although, even if, even though, however, whatever, as,etc.⽐较状语从句 as…as, so…as, than, etc.⽅式状语从句 as, as if, as though, etc1. 时间状语从句(1)时间状语从句常⽤when, as, while, before, after, since, till, until, as soon as等连词来引导。
e.g.It was raining hard when got to school yesterday.e.g.After he finished middle school, he went to work in a factory.在时间状语从句⾥，通常不⽤将来时态，⽤现在时态表⽰将来的动作或状态。
e.g.I’ll ring you up as soon as I get to New York.在带有till或until引导的时间状语从句的主从复合句⾥，如果主句⽤肯定式，其含义是“⼀直到……时”，谓语动词只能⽤延续性动词。
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从句辨析练习题
指出下列句子各是什么从句
1. Who will write the poem has not been decided yet.
2. Don’t ask about what the meeting is for
3. I don’t like people who talk much but do little.
4. The old man always enjoys swimming even though the weather is rough.
5. I heard it that he had gone abroad.
6. What surprised us is that he lost in the game.
7. Watever he did is right
8. What he left us was a large sum of money.
9. I’ll never forget the time when we worked on the farm.
10. They kept it quiet that he was dead.
11. The girl whose father is a teacher studies very hard.
12. Tell me why you don’t like school.
13. He had a feeling that she might not approve of the plan.
14. He got up so early that he caught the first bus.
15. We’ll star t our project if the president agrees.
16. Whoever comes will be welcome.
17. I know the boy whose father is a professor.
18. A dictionary is a book which gives the meaning of words.
19. He wasn’t sure whether he ought to laugh or cry.
20. The book is where you left it.
21. The boy who is wearing the black jacket is very clever.
22. Wherever you go, you should work hard.
23. I took it for granted that you would stay with us.
24. We hope that you will enjoy your stay here.
25. He arrived in Beijing on the day when I left.
26. This is the house where we lived last year.
27. The factory where his father works is in the east of the city.
28. When he will be back depends on the weather.
29. We are certain that this is true.
30. My friends dislike me because I’m handsome and successful.
31. The boss asked the secretary to hurry up with the letters so that he could sign them.
32. She is the person that I met at the school gate yesterday.
33. The person who broke the window must pay for it.
34. I will call you as soon as I arrive in Beijing.。