英语状语从句归纳总结英语时间状语从句
英语状语从句归纳总结
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。
(完整版)状语从句知识点大全
(完整版)状语从句知识点大全状语从句是一个句子做另一个句子的状语，用于描述、限制、补充或解释主句的动作或状态。
在英语语法中，状语从句非常常见且广泛应用。
以下是状语从句的一些常见知识点：1. 时间状语从句（Time Adverbial Clauses）：用来表示时间，常用的引导词有when, while, as, before, after, until, since等。
例如：I will call you when I arrive home.翻译：我到家时会打电话给你。
2. 地点状语从句（Place Adverbial Clauses）：用来表示地点，常用的引导词有where, wherever等。
例如：She can't find her keys anywhere.翻译：她无论到哪儿都找不到她的钥匙。
3. 原因状语从句（Cause Adverbial Clauses）：用来表示原因，常用的引导词有because, since, as, for等。
例如：I didn't go to the party because I was tired.翻译：因为我累了，所以我没有去参加聚会。
4. 结果状语从句（Result Adverbial Clauses）：用来表示结果，常用的引导词有so, therefore, thus等。
例如：He studied hard, so he passed the exam.翻译：他努力研究，所以他通过了考试。
5. 条件状语从句（Condition Adverbial Clauses）：用来表示条件，常用的引导词有if, unless, provided that等。
例如：If it rains tomorrow, we won't go to the park.翻译：如果明天下雨，我们不会去公园。
6. 目的状语从句（Purpose Adverbial Clauses）：用来表示目的，常用的引导词有so that, in order that等。
状语从句的用法归纳总结及用法
状语从句的用法归纳总结及用法状语从句是复合句中的一种主从结构，用于修饰、说明主句中的动词、形容词、副词等成分。
它起到补充、限制和修饰主句的作用，使得整个句子更加准确丰富。
在英语写作中，灵活运用状语从句能够提高表达的准确性和语言的流畅度。
本文将对状语从句进行归纳总结，并详细介绍其常见的使用方式。
一、时间状语从句时间状语从句是指修饰主句谓语动词发生时间或时间段的从句。
以下是几种常见的时间状语从句：1. 当/当…时（When）这是表示某个事件或行为发生时机的常见引导词，如：- When I was a child, I used to play in the park.- I will give you a call when I arrive at the airport.2. 每当…就（Whenever）这种类型的时间状语从句指动作在不同时刻重复出现，如：- Whenever it rains, my dog hides under the bed.- The children always get excited whenever they see ice cream.3. 只要…就（As long as）这类状语从句表达的是条件和结果，如：- You can borrow my car as long as you promise to return it before midnight.- As long as you work hard, you will succeed.4. 一…就（Once）这种类型的状语从句表示的是某件事情发生的时候立刻做出反应，如：- Once you finish your homework, you can go out and play.- Once the sun sets, darkness falls quickly.二、地点状语从句地点状语从句修饰主句中动词的地点或方向。
高考英语状语从句知识点知识点复习
高考英语状语从句知识点知识点复习高考英语状语从句知识点复习状语从句是高考英语中的重要语法知识点之一，掌握好状语从句对于理解和运用英语语言有着至关重要的作用。
在这篇文章中，我们将对高考英语中常见的状语从句类型进行详细的复习。
一、时间状语从句时间状语从句表示时间关系，常用的引导词有 when（当时候）、while（在期间）、as（当时，一边一边）、before（在之前）、after （在之后）、since（自从）、until ／ till（直到）等。
When 引导的时间状语从句，表示一个动作发生时，另一个动作正在进行或刚刚完成。
例如：“I was doing my homework when my mother came back” （当我妈妈回来的时候，我正在做作业。
）While 引导的时间状语从句，强调主句动作和从句动作在同一时期内同时发生，且持续时间较长。
例如：“While I was reading, my sister was playing the piano” （我在读书的时候，我妹妹在弹钢琴。
）As 引导的时间状语从句，强调两个动作同时发生，或一个动作随着另一个动作的变化而变化。
例如：“As time goes by, we are growing older” （随着时间的流逝，我们渐渐变老了。
）Before 和 after 引导的时间状语从句，分别表示“在之前”和“在之后”。
例如：“Please turn off the light before you leave the room” （在你离开房间之前，请关灯。
）“I will call you after I finish my work” （我完成工作之后会给你打电话。
）Since 引导的时间状语从句，表示“自从以来”，主句通常用现在完成时，从句用一般过去时。
例如：“I have lived here since I was born”（自从我出生以来，我就住在这里。
状语从句知识点大总结
状语从句知识点大总结一、状语从句的定义状语从句是一个句子，它在句子中作状语，修饰主句中的动词、形容词、副词等，用以表示时间、条件、原因、目的、结果、比较等不同的状态。
状语从句通常由连词引导，常用的连词包括when, while, as, since, before, after, until, if, unless, although, though, as if, as though, so that, in order that, in case, even if等。
二、状语从句的分类1. 时间状语从句时间状语从句表示动作发生的时间，常用的引导词有when, while, as, before, after, since, until, as soon as等。
例如：- When I was young, I used to go swimming every day.- I will call you as soon as I arrive.2. 条件状语从句条件状语从句表示条件，常用的引导词有if, unless, provided that, as long as等。
例如：- If it rains tomorrow, we will stay at home.- I will go out unless it is raining.3. 原因状语从句原因状语从句表示原因，常用的引导词有because, since, as, for等。
例如：- Since it is raining, we can't go out.- I won't go to the party because I don't feel well.4. 目的状语从句目的状语从句表示目的，常用的引导词有so that, in order that, lest等。
例如：- I study hard so that I can get a good job.- We left early in order that we might avoid the traffic.5. 结果状语从句结果状语从句表示结果，常用的引导词有so...that, such...that等。
初中英语状语从句知识点总结
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。
初中英语知识点归纳时间状语从句的引导词和结构
初中英语知识点归纳时间状语从句的引导词和结构时间状语从句是英语中一种常见的句子结构，用来表示时间上的关系。
正确使用时间状语从句可以让句子更加准确和流畅，提高语言表达的准确性。
本文将对初中英语中常见的时间状语从句的引导词和结构进行归纳总结。
一、前置时间状语从句1. 引导词：when（当...时候）、while（当...的时候）、as（当...时候）、before（在...之前）、after（在...之后）例句：- When I was a child, I used to play with my friends in the park.- While he was cooking dinner, the phone rang.- As I was leaving the house, I remembered to take my umbrella.- Before I went to bed, I finished my homework.- After she finished her work, she went shopping.2. 引导词：once（一旦）、as soon as（一...就）、the moment（一...就）、the minute（一...就）例句：- Once you start reading this book, you won't be able to put it down.- As soon as the bell rang, the students rushed out of the classroom.- The moment she saw him, her face lit up with joy.- The minute I arrived at the station, the train left.二、后置时间状语从句1. 引导词：when（当...时候）、while（当...的时候）、before（在...之前）、after（在...之后）、until/till（直到...的时候）、since（自...以来）例句：- I will call you when I arrive at the airport.- She likes to listen to music while she's doing homework.- I went to bed before it started raining.- After she finished her meal, she paid the bill and left.- He didn't speak up until/till the end of the meeting.- Since you have been away, many things have changed.2. 引导词：once（一旦）例句：- You will succeed once you put enough effort into it.三、并列时间状语从句1. 引导词：when（当...时候）、whenever（无论何时）、while （当...的时候）、as（当...时）例句：- You can come to my house when you have time.- Whenever I see a dog, I can't help but smile.- While I was reading a book, my brother was watching TV.- As she was walking in the park, she saw a beautiful flower.2. 引导词：before（在...之前）、after（在...之后）例句：- I will finish my homework before I go out to play.- After she finished her lunch, she went for a walk.以上是初中英语中常见的时间状语从句的引导词和结构的归纳总结。
状语从句知识点总结
状语从句知识点总结一、状语从句的定义状语从句是在复合句中作状语的从句，它用来修饰主句中的动词、形容词或其他副词，表示时间、地点、原因、条件、让步、目的等语义内容。
二、状语从句的类型1. 时间状语从句：表示动作发生的时间。
- 常见引导词：when, while, as, after, before, until, once, as soon as 等。
- 示例：I will call you when I arrive in London.2. 地点状语从句：表示动作发生的地点。
- 常见引导词：where 等。
- 示例：Practise pronunciation where possible.3. 原因状语从句：说明原因或解释。
- 常见引导词：because, since, as, seeing that, now that 等。
- 示例：She can't attend the meeting because she is ill.4. 条件状语从句：表示条件或假设。
- 常见引导词：if, unless, provided that, as long as, on condition that 等。
- 示例：We will go on an outing if it doesn't rain.5. 让步状语从句：对主句内容进行让步或转折。
- 常见引导词：although, though, even though, despite, in spite of 等。
- 示例：Despite the bad weather, we went for a walk.6. 目的状语从句：表示目的。
- 常见引导词：so that, in order that 等。
- 示例：He gets up early so that he can catch the first bus.7. 结果状语从句：表示结果。
初中英语知识点归纳时间状语从句的引导词和构成
初中英语知识点归纳时间状语从句的引导词和构成时间状语从句是英语语法中的重要部分，它用来描述一个动作或事件发生的时间。
在句子中，时间状语从句通常由引导词引导。
本文将对初中英语中时间状语从句的引导词和构成进行归纳总结。
一、引导词的分类1. 引导从句表示时间点的引导词：when，while，as soon as，once，before，after，since，till/until，as，no sooner...than等。
例如：- I always feel sleepy when I study late at night.（我晚上学习到很晚时总是感到困倦。
）- Maggie was doing her homework when the phone rang.（电话响起时，Maggie正在做作业。
）- As soon as I finish this book, I will lend it to you.（一旦我完成这本书，我就会借给你。
）2. 引导从句表示时间段的引导词：while，when，as，as long as，once，whenever等。
例如：- I will stay here as long as you need my help.（只要你需要我的帮助，我就会一直呆在这里。
）- Whenever you come to Beijing, please let me know.（无论什么时候你来北京，请告诉我。
）3. 引导从句表示相对时间的引导词：before，after，since，until/till，while等。
例如：- I had a shower before I went to bed.（我在睡觉前冲了个澡。
）- They had been waiting for the bus since three o'clock.（他们从三点钟开始就一直在等公交车。
）- Please wait here until/till I come back.（请在这里等我回来。
状语从句用法总结计划完整
一、时间状语从句时间状语从句用来表示时间关系，常由连词“当……时候”、“随着”、“一旦”、“随时”、“直到”、“自从”等引导。
例如：1.当我在家里的时候，我妈妈总是在旁边看着我。
2.随着天气的转暖，我们就可以去郊游了。
3.一旦你有了问题，就可以找我帮忙。
4.随时都可以来找我，我随时都在。
5.直到你完成这个任务，我才会离开。
6.自从我来到这个城市，我就没有回过家。
二、地点状语从句地点状语从句用来表示地点关系，常由连词“在……地方”、“位于”、“从……起”、“直至”等引导。
例如：1.在这个超市里，你可以找到各种各样的商品。
2.位于市中心的位置，使得这个商场非常繁华。
3.从这家公司起，我们的合作就一直非常好。
4.直至你找到工作，你就可以安心了。
三、原因状语从句原因状语从句用来表示原因关系，常由连词“因为”、“由于”、“鉴于”等引导。
例如：1.因为我今天不舒服，所以我不想去上课。
2.由于天气的原因，我们取消了郊游计划。
3.鉴于你的表现，老师给了你很高的评价。
四、条件状语从句条件状语从句用来表示条件关系，常由连词“如果”、“只要”、“除非”、“只要……就”等引导。
例如：1.如果明天不下雨，我们就去郊游。
2.只要你能努力，你一定能成功。
3.除非你道歉，否则我不会原谅你。
4.只要你想明白，你就会知道我为什么这样做。
五、目的状语从句目的状语从句用来表示目的关系，常由连词“为了”、“以便”、“好”等引导。
例如：1.为了能更好地学习，他每天都很努力。
2.以便你能理解，我解释得很详细。
3.好让你明白，我特意给你举个例子。
六、结果状语从句结果状语从句用来表示结果关系，常由连词“所以”、“因此”、“结果”、“从而”等引导。
例如：1.所以他没能来，因为他生病了。
2.因此我们决定，明天再去郊游。
3.结果这个方法很有效，我们很快就完成了任务。
4.从而使我们的工作更加顺利。
一、时间状语从句时间状语从句用来表示时间关系，常由连词“当……时候”、“随着”、“一旦”、“随时”、“直到”、“自从”等引导。
状语从句知识点总结
状语从句知识点总结状语从句是指在复合句中起状语作用的从句。
它可以用来表示时间、原因、条件、目的、结果、让步、比较等等。
熟练掌握状语从句的使用，可以使我们的语言更加丰富和灵活。
下面对状语从句的几个重要知识点进行总结。
一、时间状语从句时间状语从句常用来表示动作发生的时间、顺序或频率。
以下是一些常见的引导时间状语从句的词：1. When（当...时候）：表示动作发生的时间点。
- She was reading a book when I called her.（我给她打电话时，她正在读书。
）2. While（当...的时候）：表示两个同时进行的动作。
- He was cooking while I was studying.（我在学习的时候，他在做饭。
）3. Before（在...之前）：表示主句的动作发生在从句之前。
- Please finish your homework before you go out.（在你外出之前，请完成作业。
）4. After（在...之后）：表示主句的动作发生在从句之后。
- They went to bed after they finished watching the movie.（他们在看完电影之后就去睡觉了。
）二、原因状语从句原因状语从句常用来表示某个动作的原因或理由。
以下是一些常见的引导原因状语从句的词：1. Because（因为）：表示直接的原因。
- I didn't go to the party because I was tired.（我因为累所以没有参加聚会。
）2. Since（因为）：表示已知的事实或理由。
- He was absent from work since he was not feeling well.（他因病缺勤了。
）3. As（因为）：表示两个动作同时发生，前者是后者发生的原因。
- I couldn't hear the speaker as the music was too loud.（由于音乐声音太大，我听不到演讲者的声音。
高中英语知识点归纳状语从句的引导词和用法总结
高中英语知识点归纳状语从句的引导词和用法总结状语从句是指在复合句中，用来修饰或限制主句动词、形容词、副词或整个句子的从句。
状语从句的引导词即是用来引导状语从句的连接词，根据不同的状语从句种类和构成，引导词也不尽相同。
下面将对高中英语中常见的状语从句引导词及其用法进行归纳和总结。
1. 时间状语从句：时间状语从句用来表示主句的动作发生的时间关系。
常见的引导词有：when（当…时候）、while（当…的时候）、before（在…之前）、after（在…之后）、as（当…的时候）、since（自从…以来）、until/till（直到…为止）、once（一旦）、whenever（无论何时）等。
例如：- I will call you when I arrive. （我到了之后会给你打电话。
）- She waits for him until he finishes his work.（她等他直到他工作完成。
）- After she finished her homework, she went to bed.（她完成作业后就去睡觉了。
）2. 地点状语从句：地点状语从句用来表示主句的动作发生的地点或位置。
常见的引导词有：where（在哪里）、wherever（无论哪里）、anywhere（任何地方）等。
例如：- I will meet you where we agreed.（我会在我们约定的地方见你。
）- You can go anywhere you want.（你可以去任何你想去的地方。
）3. 原因状语从句：原因状语从句用来表示主句的动作发生的原因或理由。
常见的引导词有：because（因为）、since（因为）、as（因为）、now that（既然）、due to（由于）等。
例如：- She didn't come to the party because she was sick.（她因为生病没来参加聚会。
初中英语知识点归纳时间状语从句的引导词与结构
初中英语知识点归纳时间状语从句的引导词与结构时间状语从句是英语中常见的一种从句句型，用来表示动作或状态发生的时间。
在初中英语学习中，掌握时间状语从句的引导词和结构是非常重要的，本文将对初中英语知识点进行归纳总结。
一、引导词1. when: 当、在...的时候【例句】I usually listen to music when I feel tired.2. while: 当...的时候【例句】She watches TV while she is eating dinner.3. before: 在...之前【例句】Please finish your homework before you go out to play.4. after: 在...之后【例句】He always reads a book after he finishes his homework.5. as soon as: 一...就...【例句】Please call me as soon as you arrive at the airport.6. until/till: 直到...为止【例句】You can't leave until the teacher tells you.7. since: 自从...以来【例句】I have known her since I was a child.8. once: 一旦【例句】Once you start, you have to finish it.二、结构1. 主语+动词+时间状语从句【例句】She goes to school when it is sunny.2. 主语+助动词/情态动词+动词+时间状语从句【例句】He can play basketball after he finishes his homework.3. 主语+be动词+时间状语从句【例句】I am sleeping while you are studying.4. 主语+动词+时间状语从句+其他补充信息【例句】They were playing basketball when it started to rain.5. 主语+时间状语从句+动词+其他补充信息【例句】When I arrived at the party, they were already dancing.三、注意事项1. 时间状语从句通常放在主句前面或中间，如果从句在句首，主句和从句之间要用逗号隔开。
初中英语九种状语从句归纳总结
初中英语九种状语从句归纳总结一、时间状语从句（Time adverbial clauses）时间状语从句用来表示一个动作或事件发生的时间。
常见的引导词有：when（当…时候）、while（当…的时候）、as（当…时候）、before （在…之前）、after（在…之后）、since（自从…以来）、until（直到…为止）、as soon as（一…就…）、whenever（无论何时）等等。
例如：- She likes to listen to music while she is cooking.（她喜欢一边做饭一边听音乐。
）- He went to bed after he finished his homework.（他做完作业后去睡觉了。
）二、地点状语从句（Place adverbial clauses）地点状语从句用来表示一个动作或事件发生的地点。
常见的引导词有：where（在哪里）、wherever（无论在哪里）等等。
例如：- I will meet you at the place where we first met.（我会在我们第一次见面的地方见你。
）三、方式状语从句（Manner adverbial clauses）方式状语从句用来表示一个动作或事件发生的方式。
常见的引导词有：as（以…方式）、as if（好像）、as though（好像）等等。
例如：- She sang the song as if she was performing on stage.（她唱歌的时候好像在舞台上表演一样。
）- He spoke English as though he was a native speaker.（他讲英语好像是母语一样。
）四、原因状语从句（Reason adverbial clauses）原因状语从句用来表示一个动作或事件发生的原因。
常见的引导词有：because（因为）、as（因为）、since（因为）、as long as（只要）等等。
状语从句知识点总结详细
状语从句知识点总结详细状语从句是英语语法中一个重要的概念，它指的是在句子中起修饰或说明作用的从句，通常用来描述主句中的动作或状态的时间、地点、方式、原因、条件等。
以下是关于状语从句的详细知识点总结：一、时间状语从句：时间状语从句通常由when、while、before、after等引导词引导，表示主句动作发生的时间。
例如：When the rain stopped，we went out for a walk.（当雨停了，我们出去散步。
）While I was studying，my roommate was watching TV.（当我在学习时，我的室友在看电视。
）二、地点状语从句：地点状语从句通常由where、wherever等引导词引导，表示主句动作发生的地点。
例如：Go where you like.（去你喜欢的地方。
）Wherever you go，I will follow you.（无论你去哪里，我都会跟着你。
）三、方式状语从句：方式状语从句通常由as、as if、as though等引导词引导，表示主句动作进行的方式或状态。
例如：She acts as if she were the boss.（她表现得好像她是老板。
）He talks as though he knew everything.（他说话好像他知道一切。
）四、原因状语从句：原因状语从句通常由because、since、as等引导词引导，表示主句动作发生的原因。
例如：I didn't go to the party because I was tired.（我没去参加派对，因为我累了。
）Since you are here，you can help us.（既然你在这里，你可以帮助我们。
）五、条件状语从句：条件状语从句通常由if、unless等引导词引导，表示主句动作发生的条件。
例如：If you study hard，you will pass the exam.（如果你努力学习，你会通过考试。
状语从句知识点总结 英语
状语从句知识点总结英语一、基本概念1. 状语从句是一个从句，不能独立成句，必须依附于主句，起到修饰主句的作用。
2. 状语从句常常用来表示时间、原因、条件、目的、方式、比较等信息，以补充说明主句的情况。
3. 状语从句通常由连词引导，如when, while, before, after, since, because, if, unless, in order that, so that, as if, as though等。
二、结构1. 时间状语从句当表示时间的状语从句出现在主句之前时，从句中的连词一般是when，while，before，after，as，since等。
例如：When I was young, I used to play basketball every day.当表示时间的状语从句出现在主句之后时，从句中的连词一般是before，after，since，as soon as等。
例如：I will call you after I finish my work.2. 原因状语从句表示原因的状语从句通常由because，since，as，for等引导。
例如：As it was raining, we decided to stay at home.特别需要注意的是，由于as和since还可以引导时间状语从句，因此在使用时要根据具体语境确定其含义。
3. 条件状语从句条件状语从句是表示条件的从句，通常由if，unless，on condition that等引导。
例如：If it rains tomorrow, we will cancel the trip.需要特别注意的是，在条件状语从句中，如果主句是将来时态，从句可以使用一般现在时来表示将来的情况。
4. 目的状语从句目的状语从句表示主句的目的或打算，通常由in order that, so that等引导。
例如：We woke up early so that we could catch the first train.5. 方式状语从句方式状语从句表示主句的动作是如何完成的，通常由as if，as though，as，just as等引导。
最新-列举英语语法状语从句的归纳总结(优秀3篇)
列举英语语法状语从句的归纳总结（优秀3篇）目的状语从句，从句部分是用以补充说明主句中谓语动词发生的目的的状语从句。
下面是壶知道敬业的帮助大家分享的3篇列举英语语法状语从句的归纳总结，欢迎参考阅读，希望对大家有所启发。
. 状语从句：Adverbial clauses 篇一定义：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1、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 e 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 hiWhen 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。
英语语法状语从句的归纳总结
英语语法状语从句的归纳总结Ability is not the only criterion, but character is the criterion.英语语法状语从句的归纳总结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..when表示点时间When they were still talking and laughing; the teacher came 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 when the 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..They had just arrived home when it began to rain.他们刚到家;天就开始下雨了..②有时when表示虽然;尽管的含义;相当于although或since..He walks when he might take a taxi.尽管可以打的;但他还是步行..How can you hope for mercy yourself when you show none既然你不宽恕别人;你自己又怎能希望得到别人的宽恕呢2．while①while通常表示一段时间;从句中宜用持续性动词作谓语..Strike while the iron is hot.趁热打铁..She fell asleep while she was reading the newspaper.她在看报的时候睡着了..②while有时可以作并列连词;表示对比;可译成……而……..I am fond of English while he likes maths.我喜欢英语而他却喜欢数学..We slept while the captain kept watch.我们睡觉而上尉担任警戒..③while有时可引导让步状语从句;意思是虽然..While they love te children; they are strict with them.虽然他们都爱他们的孩子;但却对他们要求严格..提示：虽然during 与 while 意思很相近;但是during是介词;不能引导从句.. 3．as①as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..as和when两者经常可以通用..The thief was caught as when he was stealing in thesupermarket.小偷在超市行窃时被逮住了..I saw Jim as when he left the meeting room.吉姆离开会议室时候我看到了他..②as表示一边……一边……;强调从句和主句中两个动作交替进行或同步进行..They talked as they walked.他们边走边聊..He looked behind from time to time as he went.他一边走;一边不时地往后看..③as表示随着As time goes on; it's getting warmer and warmer.随着时间的推移;天气变得越来越暖了..As spring warms the earth; al flowers begin to bloom.随着春回大地;百花开始绽放..4．when; while; as的用法区别①只有当从句表示的是段时间;即其谓语动词有持续性特征时;这三者可以通用互换..I got the news on the radio when while as I was having breakfast.我在吃早饭的时候从收音机里获悉这一消息..②在下列情况下;三者彼此之间不能替换使用：a．as更强调同一时间或紧接的一前一后或伴随着的变化..We listened to the singer sing as he played the guitar.我们听着歌星边弹吉它边演唱..I thought of it just as you opened your mouth.你一张嘴我就知道你要说什幺As he grew older; he became less and less active随着他年龄的增长;他变得越来越不活泼了..提示：状语从句可放在主句之前或之后;放在主句之前时一般用逗号与主句分开..有时可置于主句中间;前后用逗号..b．when更强调特定时间;还可表示从句中的动作先于或后于主句的动作..When I had given Mary the spare ticket; I found my own already gone.当我把多余的票给了玛丽时;我才发现我自己的票已不知去向..从句动作发生在主句之前;注意主从句的时态When I finally got there; he meeting had been on for ten minutes.当我最终赶到那里时;会议已开始十分钟了..从句动作发生在主句之后;注意时态 c．while从句只能表示延续的动作或状态或主从句中动作的对比..She thought I was talking about her daughter; while in fact;I was talking about my daughter. 她以为我在谈论她女儿;而事实上;我在谈论我的女儿..d．若表示两个短促动作几乎同时发生时;用as场合多于when.. As he finished his speech; the audience burst into applause. 他结束讲话时;观众爆发出雷鸣般的掌声..5．whenever whenever是when的强势语;它描述的不是一次性动作;而是经常发生的习惯性动作..You are always welcome whenever you come.无论你何时来都欢迎..Whenever we met with diffiulties; they came to help us.每当我们遇上困难的时候;他们就来帮我们..B． before; after1．beforebefore表示在一段时间之前..I must finish all the work before go home.回家之前我必须干完所有的活..You must first learn to walk before you try to run.在想要跑以前;你得先学会走..He had learned English for three years before he went to London.他去伦敦之前已学了三年英语..提示：before 从句往往带有否定的含义..He ran off before I could stop him.我还没来得及阻止他;他就跑掉了..Take it down berore you forget it.趁着还没忘记的时候就记录下来..必背： before 常用句型 It is was will be beforeIt wil be five years before we meet again.五年以后我们才能再见..It will be not long before you regret what you have done.不用过多久你就会对你所作所为感到后悔的..It was not long before I realized I was wrong.不久我就意识到我错了..It was minutes before the police arrived.过了几分钟警察才到..2．afterafter表在一段时间之后..Let's play football after school is over.放学后我们踢足球吧..The sun came out soon after the storm stopped.暴风雨过后不久;太阳出来了..C．till; until1．untiltill用于肯定句时;表示直到为止;主句必须为持续性动词.. We shall wait until till he comes back.我们将一直等到他回来.. 注意它们的拼写Everything went well untiltill that accident happened.直到发生那意外之前;一切都正常..2． not untiltill表示直到才 ;主句通常要用短暂动词;这时until和till可用before代替..I didn't leave until till before she came back.直到她回来;我才离开的..Bells don't ring till until you strike them.铃不打不响..Peopl do not know the value of their health till until before they lose it. 人们直至失去了健康才知其可贵..3．当not until位于句首时;主句中的主语、谓语要使用倒装语序..Not until she stopped crying did I leave. 直到她不哭了;我才离开的..注意： until引导的从句可以放在主句之前或主句之后;但till从句一般不放在句首.. 4．在强调句型中一般只能用until;不用till.. It was not until she took off her drk glasses that Irecognized her.直到她摘下墨镜;我才认出她..D．since; ever since1．since自……以来..表示动作从过去某一点时间一直延续到说话时间为止..主句中通常为延续性动词的现在完成时;since从句中一般用短暂性动词的一般过去时..It has been just a week since we arrived here.我们到这儿刚刚一星期..Where haveyou been since I last saw you自上次我见过你之后;你去了哪里Since she was young; she has been collecting stamps.她自年轻时起就一直集邮至今..提示：有时since 从句中也可以用延续性动词;注意它的译法..Tom is now working on the farm.It's two years since he was a college student.汤姆现在农场上班;他大学毕业已有两年了..2．ever since 从那时起直至现在;此后一直..表示说话者强调主句动作或状态持续时间长;语气比since强..Ever since they got married in 1950; they have lived happily.自一九五零年结婚以来;他们一直生得很幸福..3．since还可以用作副词或介词..The big clock was damaged during the war and has been sienteversince.这只大钟在战争中损坏了;从此就一直不响了..My uncle went to Tibet in the 1950s. He has been living thereeversince.我叔叔五十年代就去了西藏;从那以后他一直生活在那里..You have made great achievements in your work since graduation. 你们自毕业以来已经在工作中取得了巨大成就..E．as soon as as soon as...可译为一……就……;用来表示主从句的动作是紧接着发生的.. He will come and see you as soon as he can.他一有空就来看你..He rushed home as soon as he got the good news.他一得到这个好消息就奔回家..必背：一……就……还可以用onupon doing 结构来表示..On arriving home he called up Lester. = As soon as he arrived home; he called up Lester. 他一到家就给莱斯特打电话.. F． immediately instantly directly 相当于as soon as;从句中用一般过去时态..They phoned her immediately they reached home.他一到家马上就给她打了电话..I recognized her instantly I caught a glimpse of her.我一看见她就把她认出来了..We came directly we got your telephone.我们一接到你的电话就赶来了..G．the moment; the minute; the instant; the second 这几个名词短语也可用作连词;直接引导时间状语从句;表示一…就… ..He said he'd turn on TV th moment he got home.他说他一到家就打开电视机..Tell him I need to see him the minute he arrives.告诉他;他一到我就要见他..The second the bell rang; the students rushed out of the classroom.铃一响;学生就冲出了教室..H．hardly scarcely when; no sooner than这两个短语都表示刚……就……;可以互换;主句通常用去完成时..He had no sooner started out than he felt homesick.他刚出发就想起家来..He had hardly started his speech when someone rose to refute his points.他刚开始发言;就有人站起来反驳他的论点..注意：当hardly; scarcely; no sooner 位于句子的开头时;主句须用倒装语序..Hardly had she fallen asleep when a knockat the door woke her up.她刚要睡着;忽然敲门声把她吵醒..No sooner was the frost off the ground than the work began. 地上的霜一消散;人们就开始工作了..I．once once作连词时;也相当于as soon as;但它含有的条件意味更浓;它引导的从句较短..Once you begin; you must continue.一旦开了头;你就应当继续下去..Once you see him; you will neer forget him.你一旦见过他;就不会忘了他的..J．next time; the first time; the last time; every time 等Be sure to call on us next time you come to town.下次你进城一定来看我们..He left me a good impression the first time I met him.我第一次见他时;他给我留下了好印象..Every time I see him he looks miserable.我每次见到他;他都是一付痛苦的表情..The last time I spoke to Bob; he seemed happy enough.上一次我见到他时;他看上去很开心..K．by the time by the tine 也可以引导时间状语从句;意为到时为止;主句一般要用完成时态..By the time he was fourteen; Einstein had learned advanced mathematics all byhimself.爱因斯坦到十四岁时就自学完了高等数学..从句为一般过去时;主句要用过去完成时I shall have finished my work by the time you return.在你回来之前我将会做完我的活儿..从句为一般现在时;主句要用将来完成时二、地点状语从句地点状语从句通常由where; whereverwhere的强势语和everywhere引导;是表示空间关系的状语从句..A． wherewhere 在……地方;去……地方Wuhan lies here the Yangtze and the Han River meet.武汉位于长江和汉水汇合处..Where there is a will; there is a way.有志者;事竟成..I found my books where I had left them.我的书在我原来放的地方找到了..You'd better make a mark where you have any questions.哪儿有问题;你最好在哪儿做个记号..这里where引导的从句不是定语从句注意：在地点状语从句之前;不要使用介词..误You should put the book at where it was.正You should put the book where it was.你应该把书放在原来的地方..误We should go to where we are needed most.正We should go where we are needed most.我们应该到最需要我们的地方去..B.whereverwherevr在任何……地方;无论哪里Wherever you go; you should do your work well.不论到什么地方;都要把工作做好..You may sit down wherever you like.你爱坐哪儿就坐哪儿..C.everywhereEverywhere they went; they were kindly receivd.他们每到一处都受到了友好的接待..三、原因状语从句原因状语从句是表示原因和理由的从句..引导原因状语从句的有as; because; since; now that; considering that; seeing that等.. A．becausebecause因为Because I like it; I do it.因为我喜欢;所以我才干..He couldn'thave seen me; because I was not there.他不可能见过我;因为当时我不在那儿..比较： because 和for的区别..1．for 是并列连词;只用于连接表示原因的分句;因此不能用于句首..because表示原因时;可位于句首..误For he did not obey the rules; he was punished.正Because he did not obey the rules; he was punished.由于他不遵守规章制度;他受到了处..2．for 表示的是推断解释;because强调动作发生的直接原因..It must have rained last night; for the ground is wet.昨晚肯定下雨了;因为地面是湿的..不可用because;因为地面湿不是天下雨的原因The day breaks; for the birds are singing.天亮了;因为鸟在叫..不可用because;因为鸟叫不是天亮的原因He went to bed early; because he was tired由于他累了;所以他很早就上了床..直接的理由He must be tired; for he went to bed early.他肯定累了;因为他很早就上了床..间接的推断3．在强调结构It iswas that和关联词not but 引导的原因状语从句中;宜用because..It's because he helped you that I'm prepared to help him. 正是因为他帮助过你;所以我乐意去帮助他..He decided to give up thechance of going abroad; not because he did not want to but because his wife was ill.他决定放弃出国的机会;不是因为他不想去;而是因为他妻子病了..B． since since 因为;既然..引导的从句大多置于句首;主从句的时态一般相同..Since you have no licence; you are not allowed to drive.因为你没有驾驶执照;所以不允许你开车..Since you are al here; let's try and reach a decision.既然大家都来了;咱们就设法做出一个决定吧..C．as as 由于..一般多用于句首..As she was ill; she didn't come to the party.由于病了;她没来参加晚会..As he was not well enough; I had to go without him由于他身体欠佳;我只好不带他去了..As it rained; we all stayed at home.由于下雨我们都呆在家里..C． because; since; as 的区别1．because语气最强;表达的是未知的新信息;一般置于主句之后;也可以放在主句之前;用逗号隔开..在回答why引导的特殊疑问句时;或在强调结构It iswas that 和关联词not but 引导的原因状语从句中;要用because..另外;because还常和副词just; merely等连用.. 2．since 往往表示的是已知的客观事实;或分析后的推理;引导的从句大多置于句首;主从句的时态一般相同..3．as 表示的理由最弱;只是对主句的附带说明;重点在主句..as从句通常放在主句前.. Just because he doesn't complain; you mustnot suppose that he is satisfied.你不可只因他不抱怨就以为他满足了..You shouldn't get angry only because some people speak ill of you.你不该仅仅因为有些人说了你的坏话就生气..Since you're not interested; Iwon't tell you about it.既然你不感兴趣;那我就不告诉你了..As you are unable to answer perhaps we should ask someone else. 因为你不能回答;也许我们该问一问别的人..注意： because等词不能与 so连用..误Because he was careless; so he failed in the exam.正Because he was careless; he failed in the exa.由于他粗心;所以他考试不及格..正He was careless; so he failed in the exam.由于他粗心;所以他考试不及格..E．now that now that 既然;因为..that可以省略..Now that dinner is ready; go and wash your hands.既然饭已好了;洗手去吧..Now you mention it again; I do remember.既然你又提起此事;我倒回想起来了..F．conidering that; seeing that 这两个词和since; now that意思相近;都有鉴于…事实;考虑到…. 的意思..Seeing that quite a few people were absent; we decided to put the meeting off.由于好些人都没到会;我们决定延期开会..seeing 后面的that可以省略Considering that they are just beginners; they are doing quite good job.考虑到他们才刚刚学做;他们干得算很不错的了..G．not that but that 这一结构相当于汉语的不是因为…而是因为…Not that I don't like the film; but that I have no time for it. 不是因我不喜欢看这部电影;而是因为我没有时间看..状语从句二四、目的状语从句目的状语从句是表示行为目的的从句..引导目的状语从句的主要连词有that; so;so that; so that; in order that等;从句中常常使用一些情态动词;如can; could; may; might; should等..A．that; so that;in order that表示为了;以便;一般放在主句之后..that语气较弱;用的较少;多用so that..Let's take the front seats that we may se more clearly.我们坐前排吧;这样我们可以看得更清楚些..Man does not live that he may eat; but eats that he may live. 人生存不是为了吃饭;而吃饭是为了生存..They hurried so that they might not miss the train.他们为了不误火车;才急急忙忙的..In order that everyone present might hear her clearly; she raised her voice again.为了使在场的每个人都能听清楚;她再次提高了声音..注意：当主从句的主语一致时;so that和in order that引导的目的状语从句可以转换成相对应的动词不定式结构..We got upearly so that we would arrive in time.为了能及时赶到;我们起得很早..They hurried so that they might not miss the train. → They hurried so as not to miss the train.他们为了不误火车;才急急忙忙的..Betty saved money in order that she could uy a portable computer. → Betty saved money in order to buy a portable computer.贝蒂存钱是为了买一台手提电脑..B．in case; lest; for fear that 几个短语都表示万一;惟恐;含有否定的意义..Better take more clothes in case the weather is cold.最好多带些衣服以防天气会冷..Take an umbrella in caseit rains.以防下雨;带把伞..五、结果状语从句结果状语从句是表示事态结果的从句..引导结果状语从句的连词有：that; so that; so that; such that等..结果状语从句通常置于主句之后..A．so; that; so that这三个词都可以引导结果状语从句..so that最为常用;so或that常用于口语或非正式文体中..What has happened tha you look so worried发生了什幺事;使你显得如此担心I didn't plan the work well; so thatso I didn't finish it in time.我没把工作计划好;结果没按时完成..so that从句常用逗号与主句隔开The room was packed with people; so that we couldn't get in. 房间里挤满了人;我们进不去..C． so...that so...that 如此……以致……..其引导的果状语从句有如下四种结构：1．so + 形容词副词 + that-从句The village is so small that it cannot be shown in the map. 这村子太小;所以这地图上没有..The wind was so strong that we could hardly move forward.风刮得那么大;我们简直寸步难行..2．so + 形容词 + aan + 单数名词 + that-从句It was so hot a day that tey all went swimming. 天是那么的热以致他们都去游泳了.. He made so inspiring a speech that everybody got excited.他发表了如此鼓舞人的演讲以致大家都很激动..3．so + manyfew +复数名词+ that-从句I have had so many falls that I am black and blue all over. 我摔了许多跤;以至于浑身青一块;紫一块..He has so few friend that he often feels lonely.他朋友很少;所以经常感到孤独..4．so + muchlittle +不可数名词 + that-从句I had so little money then that I couldn't even afford a used car.我当时囊中羞涩;甚至连一辆二手车都买不起..He drank so much wine last night that he felt terrible.昨晚他喝了那么多的酒;他觉得很不舒服..5.在so + 形容词副词 + that-从句结构中;如将so + 形容词副词位于句首;主谓语要倒装..So excited was he that she could not say a word.他很激动;一句话都说不出来..So loudly did he speak that even the people in the next room could hear him.他说得很响;连隔壁的人都能听见..D． such... that such...that 如此……以致……..其引导的结果语从句有如下四种结构： 1．such + aan + 形容词 + 单数可数名词 + that-从句Jenny is such a clever girl that all of us like her very much 詹妮是如此聪明的女孩;以至我们都非常喜欢她..We left in such a hurry that we forgot to lock the door.我们走得匆忙;把门都忘了锁了..2．such + 形容词 +复数名词+ that-从句He gave suchimportant reasons that he was excused.他说出了这么重要的理由;得到大家的谅解..They are such interesting novels that all of us want to read them.这些是十分有意思的小说;大家都想看..3．such + 形容词 + 不可数名词 + that-从句He made such rapid progress that the teacher praised him.他的进步很快;老师表扬了他..H shut the window with such force that the glass broke.他关窗子用了那么大的劲;玻璃都碎了..提示：such+aan+形容词+单数名词结构可以和so +形容词+aan+单数名词结构互换..He told us such a funny story that we all laughed. → He told us so funny a story that we all laughed.他给我们讲了一个如此有趣的故事;大家都笑.. →The story he told us was so funny that we all laughed. 他给我们讲的故事是如此有趣;大家都笑了..E． such that such that可以连用;意思是是这样...以致..Mother's answer was such that she didn't say yes and shedidn't say no.妈妈的回答就是这样;既没有同意也没有不同意..His anger was such that he lost control of himself. 他勃大怒;以致不能自制..比较：such ...that ... 引导的是结果状语从句.. such ...as ...引导的是定语从句请参考第10章定语从句..She had such a fright that she fainted.她吓得昏了过去..Luckily such earthquakes as can cause a lot of damage do no happen very often.很幸运;这种破坏性很大的地震并不经常发生..关系代词as在定语从句中作主语六、条件状语从句..条件状语从句是表示主句动作发生的前提或条件的从句..条件状语从句分为真实条件状语从句和非真实条件状语从句见第3章..引导条件状语从句的有if; unless; so as long as; as so far as; on condition that; in case; suppose; supposing等..条件状语从句中的谓语动词一般要用现在时或过去时代替一般将来时或过去将来时A．if if表示正面条件;意为如果..If you ask hm; he will help you.如果你向他请求;他会帮助你..Difficulties are nothing if we are not afraid of them.如果我们不怕困难;困难就算不了什么了..If I do not understand what he says; I always ask him.我不懂他的话时; 总是去问他..if = when比较： if only和only if的对比.. if only 解释但愿;要是……就好了;表示一个不可能实现愿望;要用虚拟语气.. only if 解释只有;等于only on condition that;从句用陈述语气..Only if you heat ice; it turns to water.只有当你给冰加热;它才会变成水..If only I knew要是我知道该多好..B．unless unless = if not; 表示反面条件;意思是如果不、除非.. They will go tomorrow unless it rains.除非明天下雨;否则他们会去的..They will go tomorrow if it doesn't rain.I won't let you in unless you show me your pass.如果你不出示通行证;我就不让你进来..= I won't let you in if you don't show me your pass.注意： if...not和unless通常是可以换用的..但在下列情况下;两者是有区别的：1．unless多引导真实条件句;if not可以引导真实条件句或非真实条件句..Hewon't be able to pass the final exams unless he works hard. 除非他努力;否则就通过不了期末考试..He won't be able to pass the final exams if he doesn't work hard.如果他不努力;就通过不了期末考试..He would pass the final exams if he worked hard.要是他努力的话;他就会通过考试..非真实条件句..含义是Hedoesn'twork hard.2．如果主句描述的是情感或情绪活动方面的内容;if not结构不能换成unless..如：I'll be quite glad if she doesn't come this evening.她今晚如果不来我很高兴..3．unless引导的状语从句可用否定结构;而if not引导的从句不可再用否定结构..Don't ask me to explain again unless you really don't understand.不要再叫我解释了;除非你真的不懂..4．uless能作为介词使用;相当于except;而if not不可以.. Nothing will come out of it unless disaster.这种事除非引起灾祸之外不会有什么结果..C．so long as; as long as; on condition that 这几个短语意思差不多;都表示只要;条件是……..AsSo long as we don't lose heart; we'll find a way to overcome the difficulty.只要我们灰心;我们就能找到克服困难的方法..You may use the room on condition that so long as you cleanit afterwards.只要你用完后打扫干净;你就可以使用这个房间..D．in case in case 既引导目的状语从句;也可以引导条件状语从句;等于if it happens that..In case I forget; please remind me of my promise.如果我忘了;请提醒我所做的承诺..Send s a message in case you have any difficulty.万一你有什么困难;请给我们一个信儿..E．providing; provided that; supposing; suppose that; given that 这几个短语意思相近;有如果;只要;假如等意思..Given that they are inexperienced; they've done a good job. 考虑到他们缺乏经验;他们的工作已做得很好了..that可以省略rovided Providingthatwe invite him; he would surely come to dinner.假如我们邀请他的话;他肯定会来吃饭的..SupposeSupposing we can't get enough food; what shall we do 假设我们弄不到足够的食物;那我们怎幺办仅用于疑问句七、方式状语从句方式状语从句是描述动作方式的从句..方式状语从句常由as; as if as though等词引导;通常位于主句之..A． as; just as 这两个连词的意思是如……;正如……一样..just as 比as 语气要强一些..Do in Rome as the Romans do.入乡随俗..Leave things as they are.让一切顺其自然..Please do as you are told.请按照人家告诉你做的去做..也可说Please do as told.Balloons float in the air just as boats do on the sea.气球在空中就如同船浮在海面上一样..注意：在口语中;还可用like来代替as;引导一个方式状语从句.. She is doing the work exactly like I want her to她正在完全按照我要她的那样在做这项工作..Do you make bread like you make cakes你做面包的方法是不是和做点心一样B．as if; as though 由as if 或as though引导的状语从句可以用陈述语气表示可能符合事实的情况;也可以用虚拟语气的过去式表示现在不符的或与事实相反的情况见第3章虚拟语气..She looks as if she is ill.看上去她好象是生病了..The boy plays piano as though he has a natural ear for music. 这孩子弹起钢琴来家好象天生很懂音乐似的..。
九年级英语时间状语从句语法规律总结
九年级英语时间状语从句语法规律总结1.when 引导的时间状语从句when（当……时候）引导的从句，从句中的动词可以是终止性动词，也可以是持续性动词。
在when引导的时间状语从句中,当主句表示将来时,从句用一般现在时表示将来.I want to be a teacher when I grow up .长大后我想成为一名教师。
2．while引导的时间状语从句While（当……时候）引导的从句，强调主从句的动作同时发生或主句动作在从句动作持续过程中的某一时刻发生。
从句中的谓语动词应用延续性动词或表状态的词，并且从句常用进行时态。
I met Anne while I was taking a walk in the park.我在公园散步时遇到了安妮。
3.as soon as 引导的时间状语从句as soon as引导时间状语从句，表示“一……就……”。
主句和从句的动作几乎在同时发生，或间隔时间很短。
如果主句用一般将来时，那么从句用一般现在时表示将来。
Please call me up as soon as you arrive there.请你一到那儿就给我打电话。
4.before/after 引导的时间状语从句before（在……之前）引导的时间状语从句一般表示主句的动作发生在从句动作之前。
after （在……之后）引导的时间状语从句一般表示主句的动作发生在从句动作之后。
He will come to see you before he leaves Beijing.他离开北京之前会来看你的。
After she locked the door ,she left.她锁上门之后就走了。
5. until 引导的时间状语从句until（直到……）当其用于肯定句时，表示主句的动作一直持续到until从句所表示的时间，即表示动作的终点，谓语动词必须是持续性动词，如live, wait, stay等。
当其用于否定句时，表示主句的动作直到until从句所表示的时间才发生，即表示动作的起点，谓语动词为延续性或非延续性动词均可。
重要知识点总结状语从句的种类与位置要求
重要知识点总结状语从句的种类与位置要求状语从句是英语中非常重要的语法结构之一。
它可以在句子中作为状语，修饰谓语动词，形容词，副词或整个句子。
状语从句的种类有很多，每个种类都有其特定的位置要求。
本文将对状语从句的种类与位置要求进行总结。
1. 时间状语从句（Adverbial Clause of Time）时间状语从句用于表示动作发生的时间，常用的引导词包括：when （当...时候）、while（同时）、before（在...之前）、after（在...之后）、as（当...的时候）、since（自从）、until/till（直到）等。
时间状语从句通常放在主句之前或之后，具体位置要根据时间关系来确定。
例如：- I will call you when I arrive home.（当我到家的时候，我会给你打电话。
）- After he finishes his homework, he can go out to play.（他做完作业后，可以出去玩。
）2. 地点状语从句（Adverbial Clause of Place）地点状语从句用于表示动作发生的地点，常用的引导词包括：where（在哪里）、wherever（无论在哪里）等。
地点状语从句通常放在句子中的适当位置。
例如：- He will go wherever his parents go.（无论他父母去哪儿，他都会跟去。
）- I still remember the house where we used to live.（我仍然记得我们过去住的那个房子。
）3. 原因状语从句（Adverbial Clause of Reason）原因状语从句用于表示动作发生的原因，常用的引导词包括：because（因为）、since（因为）、as（因为）、now that（既然）等。
原因状语从句通常放在主句之前或之后。
例如：- I can't go to the party because I have to work.（我不能去参加派对，因为我得工作。
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英语状语从句归纳总结英语时间状语从句状语从句1.时间状语从句(1) whenwhen用作并列连词（正在那时，突然）We were about to start when it began to rain.Iwas watching TV when someone knocked at the door.…on the point of doing…when… did… ……had just done when …… (2) as as与延续性动词连用，侧重两个动作伴随发生,其时态一致：As he grew older he lost interest in everything except gardening.We were having breakfast as she ________( watch )TV.(3)while while “在……期间”，与延续性动词连用，和主句的动作同时发生，常用三种时态。
1.WhileI was waiting at the bus stop, buses went by in the opposite direction.2.While in prison, he wrote his first novel.3.Shoeswere mended while you waited.(4) before ① before“在……之前” I had finished my papers before my teacher went abroad.②before “过…时间之后才…”, 注意使用 ___________和___________时态。
They worked long hours before everything returned to normal.恢复正常It will be a long time before we finish this dictionary.③ 还没来得及 The bell rang off before I could answer it.(5)as soon as “一… 就….”， directly，immediately，instantly；the instant (that)，the minute (that) ，the second (that) ，the moment (that)等通常都可与as soon as换用。
I recognized her immediately I saw her.(6) … hardly...when … / … no sooner...than… “刚……就…”，从句用过去时,主句用过去完成时。
注意倒装。
He had no sooner / No sooner had he arrived than he was asked to leave again.We had hardly begun / Hardly had we begun our talk when it began to rain.(7) since 从句用一般过去时，主句通常用现在完成 (进行) 时.We’ve never met since we graduated from thecollege.Whathave you been doing since I met you last time? It has been / is 3 years since he came back.练习：Itwas evening ______ he came back.Itwas in the evening ______ he came back.(8)till / until “直到……时(为止)”，till 不放在句首，until多用于句首。
动词的延续性问题 Tom will remain in college until (till) he finishes his Ph.Dcourse.肯定句I won’t go with you until (till) I finish my homework.否定句Not until I failed in the exam did I realize I should study hard.倒装 It was not until I failed in the exam that I realized I should study hard.在强调句中的倒装问题 (9) whenever / each time / every time / any time “每当；每次”，可以换用。
Whenever / Every time / Each time I met her, she was studying.(10)by the time 与完成时连用 By the time (that) this letter reaches you, I will have left the country.By the time he was10, he had learned10000 words.Bythe time you get this letter, I will be in Canada.( Longman ) be动词可不用完成时注意：By the time he retired, Wilt held many NBA records.(11)next time, the first time Next time you see me, I will have lost10 pounds.Thefirst time I met you, I knew we would be friends.比较：That/ It / This is the first time (that) I have been to London.Forthe first time 仅用作状语 (12) After We’ll arrive after you have left.2.地点状语从句(1) where Where there is a will, there is a way.含有条意味I found my books where I had left them.注意：where除指具体地点外，还可表处境等抽象意义。
He said he was happy where he was.处境很满意It’s your fault that she is where she is.她落到今天这个地步都怪你。
(2) wherever =everywhere, anywhere Wherever ( Everywhere / Anywhere ) they went, the experts were warmly weled.Makea mark wherever you have any questions.区别与其引导定语从句Bamboos grow best in the south where it’s wet and rainy.3.原因状语从句 (1) because because表示直接的原因或理由，着重点在从句。
用于回答why问句，语气最强。
强调句中用because。
被simply, just, only修饰时用because。
I didn’t go abroad with her because I couldn’t afford it.Justbecause I don’t plain, people think I’m satisfied.It was because his mother was ill that he didn’t e to school.小结：because1 ._______2._________3._________4.__________ (2) as 因为，由于 As you were out, I left a message.(3) since 通常是双方已知信息，从句多位于主句之前。
Since you won’t help me，I’ll ask someone else.(4) now (that) “因为, 既然, 由于”，通常可以和since 换用。
其中that可省去，原因往往是已变化的情况。
Now (that) you’ve passed your test you can drive on your own.Ido remember，now (that) you mention it.你这一提，我倒的确想起来了。
(5) when 既然，从句必须在后 How can they expect to learn anything when they never listen? Why do you want a new job when you have got a good one already? (6) seeing (that) ；considering（that）；Given that “鉴于；由于；考虑到” Seeing (that) the weather is bad，we’ll stay at home.Considering he’s only just started, he knows quite a lot about it.It was surprising the government was re-elected, given that they had raised taxes so much.(7) for 并列连词，不用于句首，对前面内容加以推断或解释 I asked her to stay to tea, for I had something totell her.It’smorning now, for the birds are singing.4.目的状语从句须与情态动词连用 (1) in order that “为了；以便” 通常可以与so that换用。
The expert spoke slowly in order that everyone should understand.Inorder that we might see the sunrise, we started for the peak (山峰) early.(2) so (that) ; so that “为了；以便”。
从句总是放在主句之后，so可视为so that的省略形式。