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初中英语语法主从复合句主从复合句是指由一个主句和一个或多个从句构成的句子。
从句在句子中充当一个名词、形容词或副词的角色。
主从复合句的主句表示一个完整的意思，而从句则依附在主句中，充当主句的一个组成部分。
以下是主从复合句的几种常见类型：1. 名词从句名词从句在句子中充当主句的宾语、主语、表语或介词宾语等角色。
例如：- I know [that she is my friend].（宾语从句）- [What you said] makes sense.（主语从句）- His hope is [that he will win the game].（表语从句）- She is interested in [what you are doing].（介词宾语从句）2. 定语从句定语从句用来修饰名词或代词，通常用来提供额外的信息。
通常由关系代词（who, whom, whose, which, that）引导。
例如：- The boy [who is sitting over there] is my classmate.- This is the book [that I bought yesterday].- The woman [whose car was stolen] reported it to the police.3. 状语从句状语从句用来修饰主句中的动词，形容词或副词，提供额外的信息。
常见的状语从句有时间状语从句、原因状语从句、结果状语从句、条件状语从句和方式状语从句等。
例如：- She went to bed [after she finished her homework].（时间状语从句）- He failed the exam [because he didn't study].（原因状语从句）- They are so tired [that they can't walk anymore].（结果状语从句）- If it rains tomorrow, [we will stay at home].（条件状语从句）- He did it [in the way that she had instructed].（方式状语从句）以上是主从复合句的几种常见类型，。
主从复合句分类
主从复合句是指由一个主句和一个或多个从句组成的句子。
从句在句意上对主句进行补充、解释或限制。
下面是符合要求的10个主从复合句的例子：
1. 虽然我很累，但是我还是坚持完成了作业。
2. 他告诉我，如果我需要帮助，可以随时找他。
3. 她问我是否愿意参加明天的会议。
4. 我正在读一本关于历史的书，它讲述了二战的起因。
5. 尽管他很忙，他还是抽出时间来帮助我。
6. 这个问题太难了，我不知道该如何回答。
7. 我会尽快完成这个任务，以便我们可以开始下一个项目。
8. 她说她会尽量早点回家，以便我们可以一起吃晚饭。
9. 我刚才看到了一个很有趣的视频，它解释了如何制作巧克力蛋糕。
10. 他给我发了一封邮件，告诉我他会迟到。
这些例子展示了主从复合句的不同用法，包括条件、目的、原因、时间等等。
通过灵活运用主从复合句，可以使句子更加丰富多样，表达更准确清晰。
初中英语语法—主从复合句主从复合句由一个或一个以上的从句构成,主句为句子的主体,从句不能独立,只用作句子的一个成分.主从复合句主要包含定语从句,状语从句和名词性从句.一、宾语从句宾语从句在主从复合句中起宾语的作用 既可作谓语动词的宾语 也可作介词、非谓语动词 动词不定式、动名词、分词 的宾语。
引导宾语从句的关联词的用法①陈述意义的宾语从句 由从属连词that引导 that本身无义 在口语或非正式文体中常可省略。
E.g. She said (that) she would come.②一般疑问意义的宾语从句由从属连词whether或if引导 如果强调“究竟是…还是不…” 可在whether后加not e.g. Can you tell me if/whether you can come here tomorrow? I’ll wait to see whether your words are true or not.③特殊疑问意义的宾语从句 由连接代词who whom whose what which和连接副词when where why how引导 宾语从句中的语序为陈述式语序。
E.g. Please tell me when you were born.学习宾语从句应该注意的几个问题①当主句谓语动词是think、believe、imagine等时 后面的宾语从句要表示否定意义时 要通过主句的否定式来实现 即否定主句中的动词。
E.g. 我认为他明天不会来。
wrong I think he will not come tomorrow. right I don’t think he will come tomorrow.②某些形容词后面也可有宾语从句,这些形容词有:sure、certain、glad、pleased、happy、afraid、surprised、satisfied等。
E.g. I’m sure you can learn English well.二、状语从句状语从句在主从复合句中修饰主句中的动词、形容词或副词等。
主从复合句：
主从复合句是由一个主句和一个或一个以上的从句构
成的。
主句作为句子的主体，从句只能作句子的一个次要成分，不能独立成为一个句子。
含有两个或更多主谓结构的句子，其中有一个（或更多）主谓结构充当整个句子的某一（些）成分。
充当定语的句子叫定语从句，充当状语的句子叫状语从句，充当主语、宾语、表语或同位语的句子叫名词性从句。
主句与从句之间用关联词连接起来。
关联词除了在主句与从句之间起连接作用外，绝大多数不但本身有意义，而且还要在从句中充当句子成分。
但是，引导名词性从句的whether或if有“是否”之意，但不在从句中充当句子成分，引导名词性从句的that没有任何意义，也不在从句中充当句子成分。
第十七章主从复合句一、概述及宾语从句1 概述主从复合句包含两个或多个主谓结构，其中有一个主谓结构是主句，其余的主谓结构是从句。
主句的主体，从句对主句的关系是从属关系，只用作主句的一个成2 宾语从句宾语从句，是在主从复合句中作宾语的句子。
例：I think that you should help her. 我想你应该帮助她。
He knew that he was wrong. 他知道自己错了。
She said that she could drive a car. 她说她会开车。
I believe that Lucy will win first prize at the flower show. 我相信露西在花展上会得一等奖。
提示在口语中，引导宾语从句的that常省略。
2 宾语从句结构之二tell, explain, advise等动词后常跟这种结构。
例：She told me that she was leaving on the 12th. 她告诉我说她12号动身。
The teacher explained to her that the answer was wrong. 老师向她解释说，答案错了。
I advise her that she should wait. 我建议她应该等待。
3 宾语从句结构之三例：Can you tell me who saw her off at the airport? 你能告诉我谁到机场为她送行了？I don't know whom he wants to see. 我不知道他要见谁。
I wonder whose key it is. 我不知道这是谁的钥匙。
She asked what he needed. 她问他需要什么。
Please tell me which book I should read first.请告诉我，哪本书我应当先读。
Jim didn't say when he would return. 吉姆没有说他什么时候回来。
三大主从复合句以下是十条关于“三大主从复合句”的内容：1. 哎呀呀，宾语从句可重要啦！就像你说“我知道他喜欢足球”，这里的“他喜欢足球”就是宾语从句呀。
比如，“我觉得你肯定懂宾语从句的厉害之处，对吧？”2. 定语从句呀，那可是能让描述更精准的好家伙！就像“那个穿红衣服的女孩很漂亮”，“那个穿红衣服的”就是定语从句。
“你想想，要是没有定语从句，怎么能这么清楚地描述出那个特别的人呢？”3. 状语从句，哇哦，它可太有用了！像“当我看到他时，我笑了”，这“当我看到他时”就是状语从句。
“难道你不觉得状语从句让事情的先后顺序都清晰起来了吗？”4. 宾语从句就像是给句子加上了丰富的内涵，比如“他告诉我他明天会来”。
“你说，没有宾语从句，这句话得多单调呀！”5. 定语从句能让句子变得像一幅精致的画一样呢，像“那朵盛开的花真美丽”。
“这不是很神奇吗，就这么简单的几个词，就让花变得不一样了！”6. 状语从句简直就是时间和条件的好伙伴呀，如“如果明天天气好，我们就去爬山”。
“你看，状语从句是不是让一切都变得有规划啦？”7. 宾语从句是让我们表达更深入的秘密武器呀，“我相信他说的是真话”。
“这不是很厉害嘛，能把我们的想法准确传达！”8. 定语从句可是让描述更加细腻的魔法，“这是我小时候读过的书”。
“你不觉得有了定语从句，那本书都变得格外亲切了吗？”9. 状语从句是让事情发展有序的指挥棒呢，“在他离开之后，我才意识到他的重要性”。
“是不是没有状语从句就感觉缺了点什么呀？”10. 宾语从句、定语从句、状语从句，这三大主从复合句，真的是让语言变得超级有趣呀！“你难道还没发现它们的魅力所在吗？”我的观点结论：三大主从复合句在语言表达中起着至关重要的作用，它们让我们的话语更丰富、更准确、更有感染力。
我们应该好好掌握和运用它们呀！。
主从复合句结构三大类
一、并列句
1、叮叮当用着欢乐的歌声，阳光透过窗帘洒入房间；但黯然的心情把这美好景象弥漫开来。
2、路上热闹非凡，五颜六色的球鞋便让人爱不释手；尽管心里仍有诸多不安，但仍无法抑制住欲望。
3、四月是春天里最美丽的月份，紫罗兰把大花园装点得一片绚丽；桃花又开始绽放，华贵又芬芳。
二、复合句
1、初夏的蝉鸣虽然叮叮当响，但暑热的天气也让人难受；因此每天晚风还是有它独特的芬芳。
2、人类在发展的过程中既有贡献又有成就，他们的智慧创造了丰盛的文明，但也使自然资源受到损害；现在只有团结协作，才能将世界救活，保护受灾环境。
三、主从复合句
1、虽然钱币发明让人们生活更便利，但也把人类拖入了贪婪和权力的漩涡；因此发明钱币既有优点也有缺点。
2、尽管进入一所大学比进入一家公司更容易，但一旦毕业找工作就更加困难；因此，在选择学校时要格外谨慎，仔细考虑。
3、古今中外无论什么文学作品，其目的虽然不同，却都是为了让人们
获得心灵上的愉悦和启迪；就是凭借着这样的力量，才让文学作品广为流传，屹立不倒。
主从复合句的五种基本句型例句一、主从复合句的概念主从复合句是由一个主句和一个或一个以上的从句构成的句子。
从句在主句中充当某个成分，如主语、宾语、表语、定语、状语等。
二、主从复合句的五种基本句型及例句1. 主语从句- 句型结构：从句作主语 + 谓语 + 其他成分。
- 例句：What he said is very important.（他所说的话非常重要。
在这个句子中，“What he said”是主语从句，在整个句子中充当主语，“is”是谓语）2. 宾语从句- 句型结构：主句主语 + 谓语 + 宾语从句（引导词 + 陈述语序句子）。
- 例句：I think that he will come.（我认为他会来。
“I”是主句主语，“think”是谓语，“that he will come”是宾语从句，作“think”的宾语）3. 表语从句- 句型结构：主句主语 + 系动词 + 表语从句。
- 例句：The problem is when we can get a pay rise.（问题是我们什么时候能涨工资。
“The problem”是主句主语，“is”是系动词，“when we can get a pay rise”是表语从句）4. 定语从句- 句型结构：主句（先行词 + 定语从句）。
- 例句：I like the book which/that was written by Lu Xun.（我喜欢鲁迅写的那本书。
“I”是主句主语，“like”是谓语，“the book”是先行词，“which/that was written by Lu Xun”是定语从句，用来修饰“the book”）5. 状语从句- 句型结构：主句 + 状语从句（根据不同的状语从句类型，引导词和结构有所不同）。
- 例句：When I was young, I liked reading very much.（当我年轻的时候，我非常喜欢阅读。
初中英语语法主从复合句主从复合句是指一个句子中包含一个主句和一个或多个从句。
从句是与主句含义相关的附属句，通常由连词引导。
1. 主句+从句：主句：I will go to the cinema tonight.从句：because it's my favorite movie.2. 主句+从句：主句：She is studying hard.从句：so that she can pass the exam.3. 主句+从句：主句：The teacher asked us to be quiet.从句：while she was giving a lecture.4. 主句+从句：主句：He didn't go to the party.从句：although he was invited.5. 主句+从句：主句：They watched a movie.从句：which was released last week.6. 主句+从句：主句：I don't know where he went.从句：since he didn't tell me.7. 主句+从句：主句：She wants to buy a new car.从句：because her old one broke down.在这些例子中，主从复合句的关系是主句是主要内容，而从句是对主句的补充、说明、原因或条件。
起到进一步解释主句的作用。
从句的引导词包括连词如because、so that、while、although，以及关系代词/副词如which、where、because等。
主从复合句一基础理论：1. 英语表达的五个层次字母—单词—句子—段落—文章2. 词的分类：名词系统：名词；代词；冠词；形容词；数词动词系统：动词；介词；副词连词系统3. 不同词性的词按照一定的顺序形成句子，同一个词由于在句子中位置不同所起的作用也不同；词在句子中所起的作用有：主；谓；宾；定；状；补；表4. 句子是表达独立、完整意思的单位。
五种简单句结构。
①主系表②主不及物动词③主谓宾④主谓双宾⑤主谓宾宾补5. 并列句：通过and , but, or 并列连词连结的两个或多个简单句。
Give me somewhere to stand, and I will move the earth.Have an aim in your life, or your energies will be wasted.6. 主从复合句：通过从属连词连结的，有主句和从句的合成结构。
二主从复合句的四项基本原则：1. 主句符合五种简单句结构。
The day we had looked forward to ____at last.A comingB cameC comeD comesIn the evening school where I study computer ____.A is thereB has many peopleC is well taughtD is nice2. 从句也符合五种简单句结构。
①From the first time I flew a flat paper kite as a child, I was always wondering____.A how made it flyB how it made flyC what it made flyD what made it fly②The factory___ produces steel is the biggest one of the kind in our city.A whichB whomC whoseD where③The factory___ Tom works is the biggest one of the kind in our city.A whichB whomC whoseD where3. 如何识别主句和从句？只识别从句，另一句就是主句。
如何识别从句？通过从属连词加以识别。
①从属连词属于从句，且位于从句的句首；The chief foods eaten in any country depend largely on ___best in its climate and soil.A it growsB what growsC does it growD what does it growIt was an agreement___ could not be changed’A of which detailsB whose the detailsC the details of whichD all whose details②从属连词在从句中既可以不承担具体功能，仅起识别的标志作用，但它同时破坏了原来句子的独立性，使其附属于主句；Mary speaks English well.I know that Mary speaks English well.——us more than good remains to be seen.A. Whether it will do B If it will doC What it will doD That it will do也可以在从句中承担某个具体功能，但由于其还要承担连词功能，提至句首，后面词相应补充上来，这样在句子结构分析时，增加了难度。
In some countries, ____they call equality does not really mean equal rights for all people.A whichB whatC thatD howFinally, he lived up to___ his parents had expected of him.A whatB thatC itD as③从属连词的来源: 大多由疑问代词和疑问副词转化而来,也有一些合成和新造的.(后面具体描述)I think this\that\it is because you are doing too little.Not that I don not like the film, but that I have no time for it.④连词（含并列和从属）数目是谓语动词数目之和减1.（在谓语动词和非谓语动词区别中也十分重要）Do you know that girl ____wearing a red dress?A whoseB whoC whomD who’s——is known to us all is that Mary speaks English well..A WhatB AsC ItD That三个例外Ⅰ连词或谓语省略Ⅱ同一主语连续发出好几个谓语，最后谓语前加andJohn opened the door, took off his shirt, and sat down watching TV.Ⅲ状语从句连词放在非谓语动词前表示强调，不符合该条规律。
He raised his hand as if to take off his hat.While reading I fell asleep.The documents will be returned as soon as signed.4. 主从句命名规则：以从句这一整体在主句中承担的语法功能加以命名。
定于从句△□————名词性从句:主语从句□————谓语宾语从句及物动词□————特定形容词□————介词□________表语从句b e□_______同位语从句▲□______状语从句________□________三．1定语从句连词系统;关系代词：that which who whom whose as than but ∕关系副词：when where why prep＋whom\which2.名词性从句连词系统：① that whether② what(ever) which(ever) who(ever) whom(ever) whose③ how(ever) when(ever) where(ver) why3.状语从句连词系统（略）四从句做题思路：1根据从句命名规则，结合句意，确定从句类型；2分析从句结构，缺啥补啥；结合句意，确定答案。
从句精练１. With your help, there is no doubt ______ our plan is meant for will work out successfully.A. that whatB. whether thatC. what thatD. that whether ２.Ｗhen people talk about the cities of the UＳ，the first ___comes into mind is New York.A cityB of themC oneD that3 Is this the museum ____they visited last week?A whenB whereC whichD the one4. Is this museum ____they visited last week?A whenB whereC whichD the one5. Reading is to the mind _____food is to the body.A whileB whatC as ifD that6. They talked in such simple English ____children understand.A asB thatC whichD when7. They talked in such simple English _____children could understand it’A asB thatC whichD when8. We believe ____ you have devoted yourself ____ sure come true.A that; isB that; to isC what ; isD what; to is9. How long do you suppose it is _____ he arrived here?A whenB beforeC afterD since10.I’d like to find a job _____I can combine my qualification with my interest.A whenB WhereC whatD which11. I refuse to accept the blame for something _____ was someone else’s fault.A. whoB. thatC. asD. what12 Children who are not active or diet is high in fat will gain weight quickly.A. whatB. whoseC. whichD. that13. The reason I plan to go is ____if I don’t.A. because she will be disappointedB. that she will be disappointedC. because she will have a disappointmentD. on account of she will be disappointed14____ is no possibility____ Bob can win the first prize in the matchA. There…thatB. It…thatC. There…whetherD. It…whether15 Someone is ringing the doorbell. Go and see____.A. who is heB. who he isC. who is itD. who it is16. No one can be sure ____ in a million years.A. what man will look likeB. what will man look likeC. man will look like whatD. what look will man like17________she couldn't understand was ________fewer and fewer students showed interest in her lessons.A. What...whyB. That...whatC. What...becauseD. Why...that18、Information has been put forward ________ more middle school graduates will be admitted into universities.A. whileB. thatC. whenD. as19 Perseverance is a kind of quality—and that's _______ it takes to do anything well.A. whatB. thatC. whichD. why20 There is a new problem involved in the popularity of private cars _________ road conditions need_________.A. that ...to be improvedB. which...to be improvedC. where ...improving D .when...improving21 At last I found my umbrella ____I had bought last week.A whoB whichC whoseD as22 Can you still remember the few days_____ we spent together on the seashore last summer?A thatB whichC whenD on which23 He isn’t such a man___ would bow before difficulties.A whoB thatC asD whom24 Is there anyone in your class______ family is in the city ?A whoB who’sC whichD whose25 To fulfill the task, _______ I need is your help.A whichB allC everything whatD only that26 Anyone_______ the opinion may speak out.A that againstB which is againstC who is againstD who against27 Who______ has common sense will do such a thing?A whichB whoC thatD whom28 The little boy asked for more money______ needed.A thanB than wasC than he wasD than what was29 There is none of us_______ wants to learn more.A whoB thatC butD as30 I found that a girl was wearing the same hat ________ I lost yesterday.A whichB asC that D／31_______ was not our concern.A If or not he might pass the examinationB Whether he passed the examination or notC However he might pass the examinationD Though he might pass the examination32 Free movie tickets will send to _______ comes first.A whoeverB whomeverC no matter whoD who33 Could you tell me______ you have bought this fur coat?A whoB with whomC to whomD for whom34 I don’t doubt ________ it is true.A whetherB ifC thatD what35 My friend asked me ________ with me.A what is the troubleB what wrong wasC what was the matterD what trouble is36 By industry I don’t mean_______ usually thought of when that word is associated withcompanies and factories.A what isB that weC as youD all is37 ________ parents show great concern for their children’s studies is quite common.A WhatB WhomC ThatD The38 ________ determines a good meal varies from country to country.A WhatB ThatC HowD Which39 _________ whales as a mammal came to live in the sea is not known yet.A ThatB AlthoughC WhetherD How40 I don’t know________ he said was right.A what thatB If whatC whether thatD whether41 The question remains________ the party can win the majority of the people.A thatB ifC whetherD ／42 Our factory is more productive now. This year’s production is six times________ it was tenyears ago.A whatB thanC thatD as43 Mr. Mill is recognized as punctual for almost everything. How can it be________ he was latefor the meeting yesterday?A whyB becauseC whatD that44 Huangan is _______ my father spent his childhood.A whereB it whereC where itD which is where45 He works too hard. That’s _________ is wrong with him.A that whichB that whatC whatD the thing that46 A pen is to a writer-----a gun is to a soldier.A whatB thatC howD where47 It is an interesting fact----------try to do the same thing as nature does, they usually have to do them in a different way.A that when menB when that menC that menD when men48 ------enough time, but I couldn’t do it better .A GivenB To be givenC I was givenD Though I was given49 It wasn’t such a good dinner -------she had promised us.A whatB whichC thatD as50 Eat less food------you want to become fatter.A ifB unlessC untilD as soon as。
