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英语状语从句归纳总结英语状语从句是英语语法中的一个重要部分，它可以用来修饰句子中的主谓宾成分，提供更多的信息和细节。
在学习英语状语从句时，需要掌握从句的类型和用法，以下是一些常见的英语状语从句类型及其用法。
1. 时间状语从句时间状语从句用来表示某个动作发生的时间或顺序。
一些常用的时间状语从句包括：when, while, as, after, before, since, until 等。
例如：- When I was young, I used to play basketball with my friends.（当我年轻时，我曾经和我的朋友们一起打篮球。
）- While I was cooking dinner, the phone rang.（当我在做晚饭的时候，电话响了。
）- After I finish this project, I will take a break.（当我完成这个项目后，我会休息一下。
）2. 地点状语从句地点状语从句用来表示某个动作发生的地点。
一些常用的地点状语从句包括：where, wherever, anywhere, everywhere等。
例如：- She always knows where her keys are.（她总是知道她的钥匙在哪里。
）- Wherever he goes, he takes his laptop with him.（无论他去哪里，他都带着他的笔记本电脑。
）3. 原因状语从句原因状语从句用来表示某个动作发生的原因。
一些常用的原因状语从句包括：because, since, as, now that等。
例如：- Because it was raining, we decided to stay indoors.（因为下雨了，我们决定呆在室内。
）- Since you didn't like the movie, we can watch something else.（既然你不喜欢这部电影，我们可以看其他的。
初中英语知识点归纳状语从句的分类和用法状语从句是英语语法中重要的一部分，它用来修饰主句的动作或描述情况的，在句子中起着状语的作用。
状语从句分为时间状语从句、条件状语从句、原因状语从句、目的状语从句、结果状语从句、方式状语从句和比较状语从句等。
下面将对初中英语中常见的状语从句分类和用法进行归纳。
一、时间状语从句时间状语从句用来表示动作或事件发生的时间，包括连词when (当...时候)，while (在...时候)，before (在...之前)，after (在...之后)，as (当)，since (自从)，until (直到)等。
时间状语从句一般放在主句之前或者之后。
例如：- When I was young, I used to play soccer with my friends. (当我年轻的时候，我常常和朋友们踢足球。
)- After she finished her homework, she went to bed. (她完成作业之后，去睡觉了。
)二、条件状语从句条件状语从句用来表示主句动作的条件或前提，包括连词if (如果)，unless (除非)，in case (以防)，as long as (只要)，provided/providing (只要)等。
条件状语从句一般放在主句之前。
例如：- If it rains tomorrow, we will stay at home. (如果明天下雨，我们就在家呆着。
)- Unless you work hard, you won't pass the exam. (除非你努力学习，否则你就不能通过考试。
)三、原因状语从句原因状语从句用来表示主句动作或情况的原因，包括连词because (因为)，as (因为)，since (因为)，for (因为)，now that (既然)等。
原因状语从句一般放在主句之前。
例如：- Because it was raining, we stayed at home. (因为下雨，我们呆在家里。
初中英语状语从句知识点总结状语从句是英语语法中的一个重要部分，它用来修饰或限定主句中的动作或状态。
以下是初中英语状语从句的知识点总结：1. 时间状语从句（Time clauses）：用来表示动作发生的时间，常用的连词有when, while, before, after, until, as soon as等。
2. 地点状语从句（Place clauses）：用来表示动作发生的地点，常用的连词有where, wherever等。
例如：I will go wherever you go.（无论你去哪儿我都会跟随。
）3. 原因状语从句（Cause clauses）：用来表示动作发生的原因，常用的连词有because, since, as等。
4. 结果状语从句（Result clauses）：用来表示动作的结果，常用的连词有so, such...that等。
例如：The movie was so interesting that I couldn't stop watching.（这部电影太有趣了，我看得停不下来。
）5. 条件状语从句（Condition clauses）：用来表示动作发生的条件，常用的连词有if, unless, provided that等。
例如：If it rains, we will stay at home.（如果下雨，我们会呆在家里。
6. 目的状语从句（Purpose clauses）：用来表示动作的目的，常用的连词有in order that, so that等。
例如：I bought a new notebook so that I can take notes in class.（我买了一个新笔记本，这样我可以在课堂上记笔记。
）7. 方式状语从句（Manner clauses）：用来表示动作发生的方式，常用的连词有as, as if, as though等。
例如：He speaks as if he knows everything.（他说话的样子就像他什么都知道。
在英语中，状语从句是用来修饰动词、形容词、副词或整个句子的从句，它的作用是表示行为或状态的条件、时间、地点、原因、结果、方式或修饰整个句子。
以下是一些常见的状语从句类型：1. 时间状语从句：表示时间条件的从句。
常见的引导词有：when, as, while, before, after, since, until, once, as soon as 等。
例句：When you finish your homework, you can go out to play.2. 地点状语从句：表示地点条件的从句。
常见的引导词有：where, wherever等。
例句：Wherever you go, please take care of yourself.3. 原因状语从句：表示原因条件的从句。
常见的引导词有：because, since, as, for等。
例句：She didn't go to school yesterday because she was ill.4. 结果状语从句：表示结果条件的从句。
常见的引导词有：so that, so...that, such...that等。
例句：She worked hard so that she could pass the exam.5. 方式状语从句：表示行为方式的从句。
常见的引导词有：as, as if, as though等。
例句：He treated his mother as if she were a stranger.6. 条件状语从句：表示条件假设的从句。
常见的引导词有：if, unless, as long as等。
例句：If it doesn't rain tomorrow, we will go for a picnic.总之，状语从句是英语语法中的一个重要部分，掌握好状语从句的用法可以帮助我们更好地理解和运用英语。
状语从句用法详解在主从复合句中修饰主句的动词、形容词、副词等的从句叫状语从句。
一般可分为：时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、比较状语从句、方式状语从句。
I 时间状语从句：起时间状语作用的从句。
（时间状语从句位置灵活，可以在句首，也可在句末）常用来引导时间状语从句的引导词有：when, while, as, after, before,until/till, since, as soon as, immediately, the moment, every time, whenever等。
1.when, while, as1) when“当......的时候”，表示主从句的谓语动作同时发生或先后紧接着发生。
I was very happy when I heard from you.收到你的信时我非常高兴。
When you deal with them, you should be cautious.跟他们打交道时，你应该谨慎。
when引导时间状语从句中的谓语动词可以用非延续性动词，也可用延续性动词。
When I was young, I went to town myself.当我还年轻时，我自己独自去城里。
（延续性动词）When I lived in country, I used to carry some water for him.我住在农村时，常常为他担水。
（延续性动词）When he received the letter, he'll tell us.当他接到信后，他会告诉我们的。
（非延续性动词）When the fire broke out, all the students were sleeping soundly.火灾发生时，所有的学生正在熟睡。
（非延续性动词）注意：当when引导的时间状语从句为系表结构，而且其主语和主句的主语一致，其表语又是一个名词时，就可以用由as引导的省略句来代替when引导的从句。
英语语法：状语从句状语(adverbial，简称adv.)是句子的一个重要修饰成分。
是谓语里的另一个附加成分，从情况、时间、处所、方式、条件、对象、肯定、否定、范围和程度等方面对谓语中心词进行修饰、限制。
小编在这里整理了相关知识，快来学习学习吧!英语语法：状语从句一、时间状语从句1、when的用法(1)when既可引导一个持续性动作，也可引导一个短暂性动作，可用于表示主句和从句动作同时发生或从句动作先于主句动作，有时还可表示从句动作后于主句，意为“当。
时候”。
(2)when在be about to do。
when。
，be doing。
when。
，had done。
when。
，be on one’s way。
when。
，be on the point of doing。
when。
等结构中，作“那时突然”讲。
(3)when “既然、鉴于;尽管，虽然(位于主句之后);如果”2、while的用法(1)表示“当。
时候”，引导的动作必须是延续性的。
(2)用作并列连词，表示相对关系“然而”。
(3)引导让步状语从句，相当于although,意为“虽然”，位于主句前。
(4)引导条件状语从句，相当于as/so long as，意为“只要”。
3、as 的用法(1)表示“当。
时候”，强调同时发生，不指先后。
(2)说明两种正在发展或变化的情况，表示“随着”，表示时间的推移。
(3)表示“一边。
一边。
”。
(4)强调两个动作紧接着发生。
(5)表示“虽然，尽管”。
(6)其他含义“正如，正像”，“作为”，“由于，因为”。
4、before的用法(1)一般意为“在。
之前”“。
才”，“。
就”“还没有。
”“免得”“不知不觉”“宁可，宁愿”，“否则，要不然”。
(2)It + will be/was + 时间段+before+一般现在时/一般过去时。
在肯定句中，意为“多长时间之后才”;在否定句中，意为“用不了多长时间就”。
5、until和till(1)与肯定句连用，必须是延续性动词。
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。
在复合句中修饰主句或主句中的某一成分的从句叫状语从句。
状语从句通常由从属连词或起连词作用的词组引导，有时甚至不需要连词直接和主句连接起来。
状语从句根据它表达的意思不同，可分为时间、地点、原因、目的、结果、条件、方式、比较、让步等九类。
一、时间状语从句时间状语从句是表示时间关系的从句。
可以引导时间状语从句的连词很多，根据意义和主从句之间的时间关系，通常可分为以下几种情况：A．when, while, as, wheneverwhen, while, as 表示主句谓语作和从句的谓语动作同时发生或几乎同时发生。
1 ．when①when表示点时间时，从句中用短暂性动词；表示段时间时，用持续性动词。
When I got home, my family were already having dinner.我到家的时候，全家已在吃晚饭。
（whe n表示点时间）When they were still talking and laughing, the teachercame in.当他们还在说笑的时候，老师进来了。
（when表示段时间）He waved a hello when he saw her.当他看见她的时候，就挥手打了个招呼。
（when表示点时间）When you think you know nothing, you begin to know something. 当你认为自己一无所知的时候，就开始知道一些事情了。
（when表示段时间）注意：当when意思是正当...... 时候（and at that moment ）时，when只能跟在前一分句之后。
He was about to go to bed whenthe doorbel rang. 他正要上床，忽然门铃响了。
They were watching the World Cup when suddenly the lights went out.他们正看着世界杯比赛，突然灯灭了。
高中英语状语从句用法详解内容提要：一、时间状语从句二、地点状语从句三、方式状语从句四、水平状语从句五、缘由状语从句六、结果状语从句七、目的状语从句八、条件状语从句九、退让状语从句十、比拟状语从句一、时间状语从句:1、时间状语从句通常用以下附属连词来引导：after, before, as, once, till, until, (ever) since, when, whenever, while, now (that), as long as, as soon as。
如：Now (that)you’ve grown up, you must stop this childish behaviour. Whenever we met with difficulties, they came to help us.Come and see us whenever you have time.People do not know the value of health till they lose it.2、有些词，如immediately, directly, instantly 等，当用于as soon as 意义时，也可以引导时间状语从句，如：I got in touch with him immediately I received his letter.My sister came directly she got my message.The machine will start instantly you press the button.I’ll telephone you directly I hear the news.Will you look for it immediately you get there?3．某些表示时间的名词词组，如the (very) moment ( = as soon as ), the minute ( = as soon as ), the instant ( = as soon as ), the day, the year, the morning, every time, each time, next time, the first time 等，也可以引导时间状语从句，如：I’ll tell you about it the moment you come.I started the instant I heard the report.The instant she saw him she knew he was her brother.Every time I catch a cold, I have pain in my back.I’m going to see him next time he comes to Shenzhen.He left Europe the year World WarⅡbroke out.He had impressed me that way the first time I met him.I started the very moment I got your letter.I’ll tell him the minute (that) he gets here.4．有些关联附属连词，如no sooner …than / hardly …when / scarcely …when / barely …when 等，也能引导时间状语从句。
状语从句一、时间状语从句1、引导词：when, while, as（1）when的用法①既可以引导一个延续性动作，也可以引导短暂性动作可用于主从句动作同时发生，也可用于从句动作先于主句动作②可做并列连词，意为“那时，这时，突然”，相当于at this/that timeI was reading a novel when someone knocked at the door.还可以表示原因，意为“既然”；表条件，相当于ifHow can you hope to get mercy when you don’t show mercy on others?(when=if)③be doing when + did突然，意想不到的结果be about to do...when...我刚准备干...突然...had just done...when...我刚刚做完...突然...（2）while的用法①while引导必须是持续性的，侧重主从句动作同时发生Please don’t talk so loud while others are working.②可做并列连词，意为“而，却”，表对比While Tom was studing, Ted was playing computer games.③引导让步状语从句，意为“虽然”，相当于though, althoughWhile I accept that he is not perfect, I do actually like the person.（3）as的用法as引导延续性动作，主从句主语是相同的，多表示主从句动作同时发生意为“一边......一边......；随着”Jane sings as she works.2、引导词：as soon as, immediately, instantly, directly, the moment, the minute, once, no sooner... than..., hardly/scarecely...when...都意为“一......就......”，从句中用一般现在时代替将来时Once you remember it, you will never forget it.注意：no sooner......than......hardly............when......scarecely........when......↓↓用过去完成时一般过去时I had hardly got home when it began to rain.若把no sooner, hardly, scarecely放在句首，其后的句子要倒装No sooner had we arrived at the station than the train left.3、引导词：till, until, not...until...（1）肯定句：意为“某动作一直持续到某时间点才停止”“一直到......”Please wait until I come back.（2）否定句：意为“某动作一直到时间某点才开始”“直到......才......”He won’t go to bed till/until she returns.（3）till不可用于句首，而until可以Until you told me I had no idea of it.（4）not...until...句式的强调与倒装用法强调句：It be + not until + that + 主语+ 动词过去式It was not until you told me that I had any idea of it.4、引导词：before, since（1）若表达“还未......就......”“不到......就”“......才......”“趁......还没来得及”要用before We hadn’t run a mile before he felt tired.（2）It will be + 一段时间+ before sb. do sth. “多久之后才......”It will be half a year before I come back. It was (not)...before...“不久......就......”（3）since引导从句的谓语动词一般过去时，主句现在完成时/现在完成进行时She has been working in this factory since she left school.（4）在It is + 一段时间+ since 从句的句型中，时间计算一律从since从句的动作完成或结束状态时算It is three years since she was in our class.It was 3 years since he had lived there.他不住这儿已经3年了。
二、地点状语从句引导词：where, wherever(在任何地方)=no matter where(无论何处)The photo of mine was taken where stood the famous high tower.Wherever you go, you can see new facrories and stores.三、原因状语从句1、引导词：because, as(由于), since(既然), now that, seeing that, considering thatAs the weather was fine, I opened all the windows.2、for引导的并列句也可表原因，不可放在句首“因为......其原因是......”It must have rained last night, for the ground is still wet.3、介词短语because of, owing to, due to, thanks to等也表示原因Thanks to the bad weather, they put off the sports meet.四、条件状语从句引导词：if, unless(if...not), as long as, so long as(只要), in case(万一)As long as you understand the rule, you will have no futher difficulty.五、方式状语从句引导词：as, as if, as though(好像), just as, as...so...(正如，就像)Do just as you like.As A is to B, so C is to D. 正如......一样六、让步状语从句引导词：though, although, even if, even though, whether...or...(不管...还是...), whoever, whichever, however, whatever, whenever, no matter who, no matter which, no matter how, as(尽管), while(=though)Child as he is, he can do the work well.Though he is young, he knows...七、目的主语从句引导词：so that, in order that, for fear that(以免), in case, lest(免得，以防，唯恐)Come round to the windows so that I can see you.in order that 和so that的用法，从句中常有情态动词八、结果状语从句引导词：so that, so...that, such...that(如此...以至于), as a result(表结果), as a result of(表原因)用法如下：so + 形容词/副词+ that从句so + 形容词+ a/an + 可数名词单数+ that从句so + many/much/little/few + 名词+ that从句such + a/an + 形容词+ 可数名词单数+ that从句such + 形容词+ 可数名词复数/不可数名词+ that从句such + a lot of/lots of + 名词+ that从句It is such fine weather that we all want to go to the park.He earned so little money that he couldn’t support his family.当so和such置于句首时，主句要倒装So clever was he a student that he was able to work out all the difficult problems.九、比较状语从句引导词：as...as..., more...than..., than, less...than..., the more...the more..., the same...as, such...asHis name is the same as his father’s (name).Tom is as good a student as Jack. =Tom is such a good student as Jack.。
