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中考英语语法学习之状语从句一、什么是状语从句?状语从句是指一个句子中，作为状语的从句。
状语从句通常由引导词引导，如连词if、whether、how、when、why 等。
状语从句的作用是修饰主句，起到说明、限制或补充等作用。
二、状语从句的分类1.时间状语从句时间状语从句是指用来说明事件发生的时间的从句。
它通常由连词when、while、since、before、after等引导词引导，用来修饰主句中的时间。
例如:I have been to China twice. (我第一次去中国是在两年前。
)He has been studying English for five years. (他已经学习英语五年了。
)They will arrive at the airport at 7 pm. (他们将在晚上7点到达机场。
)We had a meeting at 2 pm this afternoon. (今天下午我们开了一个会议。
)需要注意的是，时间状语从句通常放在主句之前或之后，但在某些情况下可能会放在主句中间。
2.地点状语从句地点状语从句是指用来说明事件发生的地点的从句。
它通常由连词where、why、how等引导词引导，用来修饰主句中的地点。
例如:I saw her in the library. (我在图书馆看到她。
)They are going to have a meeting in the conference room. (他们将在会议室里开会。
)He is studying in his bedroom. (他正在卧室里学习。
)We had dinner at a restaurant last night. (昨晚我们在一家餐厅吃了晚饭。
)需要注意的是，地点状语从句通常放在主句之前或之后，但在某些情况下可能会放在主句中间。
3.原因状语从句原因状语从句是指用来说明事件发生的原因的从句。
中考复习之状语从句以及句子成分状语从句语法要点在句子中起状语作用的从句叫做状语从句(也称副词性从句),它相当子副词或副词短语,修饰主句的动词、形容词、副词等。
状语从句一般可以分为时间状语从句、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、比较状语从句等。
一、时间状语从句在句子中起时间状语作用的从句被称之为时间状语从句。
时间状语从句可以放在句首、句中和句尾。
用于引导时间状语从句的连词主要有when,while,as,as soon as,before, after,since,once,till,until,whenever等。
I studied English when (while,as) I was young.我小时候就开始学英语。
I have learned many things since I left my hometown.离开家乡后,我学到了很多东西。
He wants to become famous after he publishes his works.他希望他的作品出版后能成名。
He didn't come into the room until I came back.直到我回来,他才进屋。
二、地点状语从句在句子中起地点状语作用的从句被称之为地点状语从句。
地点状语从句可以放在句首和句尾。
用于引导地点状语从句的连接词有where,wherever等。
Where there is a will,there is a way.有志者事竟成。
I will follow you wherever (anywhere,no matter where) you go.你到哪儿，我就跟到哪儿。
Wherever you go, you must remember that you are a Chinese.无论你到哪里,你都得记住你是一个中国人。
2024届初中英语语法专题复习之九大状语从句引导词状语从句：在复合句中修饰主句中的动词、形容词或副词等的从句叫做状语从句。
状语从句根据它表示的意思的不同可分为时间、地点、原因、结果、让步、比较（或方式）和条件等类。
1. 时间状语从句时间状语从句引导词是指在复合句中充当时间状语的连词或名词短语。
常用的时间状语从句引导词包括when, before, after, while, as soon as, until, since等。
其中，当主句为一般将来时时，从句只能用一般现在时表示将来意义[1]。
此外，还有一些名词词组充当的时间状语从句引导词，如the moment, the minute, the second, the instant等，以及副词充当的时间状语从句引导词，如immediately, directly, instantly等[1]。
在复合句中，时间状语从句可以用来修饰主句中的动作或事件，起到限定时间、地点、原因等作用。
例如:“I will call you back later”中的时间状语从句“later”修饰主句中的动作“call you back”2. 条件状语从句条件状语从句是复合句中作条件状语的从句，用来说明主句动作发生或状态存在的条件。
能够引导条件状语从句的引导词主要分为两类:常用引导词和特殊引导词。
常用引导词包括if(如果)、unless(除非)、as/so long as(只要)、in case(万一;如果)、once(一旦)、only if(只有)等[1]。
特殊引导词包括supposing(that)(假如;如果)、on condition that(条件是)、provided(that)(倘若)等[1]。
其中，if表示在某种条件下可能发生某事;unless相当于“if…not…”结构，语气较强，其引导的从句中谓语不能再用否定形式;as/so long as表示说话人的希望、愿望或遗憾的心情等;in case引导条件状语从句时，表示在某种前提下;once表示一旦;only if表示只有3. 原因状语从句原因状语从句引导词通常由because, since, as, now that, not that…, but that…, seeing that, considering that, in that等引导。
初中英语语法专项复习之状语从句状语从句是英语中一个重要的语法项目，其用法主要包括以下几个方面:时间状语从句:表示时间:时间状语从句通常用来表示动作发生的时间。
例如，“Yesterday I saw a movie”中，“yesterday”表示这个动作发生的时间是昨天。
表示时间段:时间状语从句还可以表示一个时间段。
例如，“I have been studying for three hours”中，“three hours”表示我学习了三个小时的时间段。
表示先后顺序:时间状语从句还可以表示两个或多个动作发生的先后顺序。
例如，“After I ate breakfast, I went to work”中，“after I ate breakfast”表示在吃完早餐之后，我去上班。
表示时间间隔:时间状语从句还可以表示两个动作之间的时间间隔。
例如，“I will be at the concert for two hours”中，“for two hours”表示我会在音乐会上待两个小时。
表示时间变化:时间状语从句还可以表示时间的变化。
例如，“The weather changed from sunny to rainy”中，“from sunny to rainy”表示天气从晴天变为雨天。
地点状语从句:表示地点:地点状语从句通常用来表示动作发生的地点。
例如，“I am at the park”中，“at the park”表示这个动作发生的地点是公园。
表示方位:地点状语从句还可以表示方位。
例如，“He is standing on the corner”中，“on the corner”表示他站在街角。
表示时间:地点状语从句还可以表示时间。
例如，“Yesterday I saw a movie at the cinema”中，“at the cinema”表示这个动作发生的时间是在电影院里。
表示原因:地点状语从句还可以表示原因。
中考英语语法复习—状语从句定义：在复合句中由从句表示的状语称作状语从句，它可以用来修饰谓语（包括非谓语动词）、定语或状语，或是整个句子。
状语从句一般分为八大类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方式状语从句让步状语从句一、时间状语从句When ---当……时候, 通常指某一特定的时间点，主句与从句的动作同时发生。
When I opened the window, I saw him come up.When --- 正在……的时候，突然…。
通常主句是进行时或be about to 时，在翻译的时候，when 可以译成没想到或突然。
I was walking along the street , when I met him.When 当从句是进行时，主句是一般时，往往表示不满。
Someone knocked at the door when I was having breakfast.When=afterWhen the children had gone to bed, she began to prepare her lessons.While ---在……期间，往往指一段时间。
While we were in America, we saw him twice.While ---表示一种不满情绪，意思是这边在干某种重要的事，而另一边在享受等。
We are cleaning the classroom while they are playing the football.As --- 一边……一边, 随着She was doing her homework as she was listening to the music.As --- 当……时，指一个动作紧接着一个动作发生，从句通常用进行时。
As I was going out, it began to rain.The moment --- 一……就…… =as soon as , immediately,---Did you remember to give Mary the money you owed her?---Yes, I gave her the moment I saw her.Not… until --- 直到……才He didn’t leave the office until he finished the work.Before --- 在……之前The passengers should arrive at the airport an hour before the flight departs.After --- 在…… 之后The customer left the ticket counter after he had a quarrel with the ticket agent.Since ---自从……, 通常主句用现在完成时I have never been there again since I graduated from the university.It is just a week since we arrived here.As soon as --- 一……就……Jack went to school as soon as he got well.No sooner than --- 一……就……no sooner… than… 用于句首要求倒装Hardly …when…Scarcely …when…No sooner had he arrived than he went away again.Once --- 一但……就……Once you see him, you will never forget him.Every time, each time 每次whenever 每当Each time he came to town, he would visit our school.二、条件状语从句引导状语从句的连接词有:If如果, unless除非, as long as只要, As (so) far as --- 据……所知，in case万一, provided that 假如, on condition that若是，以…为条件If ---如果If you don’t hurry up, you will miss the plane.Unless --- 如果不, 除非=if notWe can’t get there on time unless we book the earliest flightAs long as --- 只要We will succeed as long as we keep on trying.As (so) far as --- 据……所知As far as I know, he speaks English very well.In case --- 假使, 如果The plane cannot take off in case it rains.Provided that 如果,有时省略thatThe plane will be in good condition provided that it is taken care of carefully.On condition that --- 条件是…He said that he would come to the meeting on condition that no one asked him to speak.注:主从句的动作发生在将来时，则主句用将来时, 从句用一般现在时。
If he arrives tomorrow, I will be waiting for him at the airport.三、地点状语从句地点状语从句只有两个连词: Where, whereverWhere --- 在……地方Where there is a will, there is a way.Wherever --- 无论哪里Wherever you are, I will be right there waiting for you.四、原因状语从句because, as, since, now that, 和considering that, seeing that 这六个连词都用于表示表示原因, 但在语气上一个比一个弱.Because --- 因为,通常从句放在主句后.Mr Smith was very upset because he couldn’t find his luggage.As --- 因为, 通常放在句首As he is honest and modest, all his friends like him.Since ---既然因语气较弱, 常译为既然(众所周知的原因)Since everybody has come, we can set off.Now that --- 既然Now that you are here, you can join us.considering that --- 顾及到Considering that they are just beginners, they are doing quite a good job.seeing that --- 由于Seeing (that) quite a few people were absent, we decided toput the meeting off.五、结果状语从句引导结果状语从句的连词有：that, so that, so…that…such…thatSo… that --- 太……以至于so 后面应用形容词或副词, 有时省略so只用thatBoeing 747 is so large that people like to call it jet bomb喷气炸弹.So that --- 因而，以便，为了有时so 可以省去Speak louder please so that the people at the back can hear you.Such …that… ---太……以至于用法与so…that相同，但such 后面应用名词。
The foreign visitor was such a fast speaker that nobody could understand him.六、目的状语从句引导目的状语从句的主要连词有: that, so that, in order that, for fear that, lest(So) that --- 以便, 从句中常常使用一些情态动词，如：can, could, may, might, should等Let’s take the front seats (so) that we may see more clearly.in order that --- 为了, 与so that 相同从句中常常使用一些情态动词，如：can, could, may, might, should等School was closed early in order that the children might go home ahead of the storm.for fear that --- 生怕; 为了防止(某事发生)He took the name down for fear that he should forget it.in case --- 万一You should bring a dictionary in case you need it.Lest --- 以防万一The man decided to tell his boss the fact lest he would be angry with him.七、让步状语从句引导让步状语从句的连词有：Although, though, as, even if, even though, no matter, however, whatever, while, whether.Although, though ---虽然although 和though 可以互换，但although 常放在句首。
Though 可以用于倒装。
Although it was raining, the plane managed to take off.Though he did his best, he didn’t succeed.As --- 尽管as 引导让步状语从句时，句子通常倒装。
