状语从句的简化

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高中英语-状语从句的简化

状语从句的简化一、省略（从句中）主语+be动词当从句的主语和主句的主语一致时，若从句的谓语动词是系动词be或包含be的某种形式，此时从句的主语和be动词通常可以一同省略。

常见以下几种形式:1、连词+形容词Whenever (she is) free, she often goes shopping.She hurried out of the room, as if (she was) angry.2、连词+名词While (he was) a young boy, he was always ready to help others.He could write poems when (he was) yet a child.3、连词+现在分词While (she was) walking along the river bank, she was singing a pop song.The boy is running impatiently here and there as if (he is) searching for something.4、连词+过去分词If (it is) well read, the book will give you much to think.Unless (they were) asked to answer questions, the students were not supposed to talk in class.5、连词+不定式Smiling pleasantly, the stranger turned as if (he were) to speak to me.6、连词+介词短语She looked anxious as though (she was) in trouble.When (you are) under attack, you must take cover immediately.二、省略从句中与主句重复的部分I wish to travel over the world if I can (travel over the world)．He should have arrived yesterday, if his wife would (arrive) today to meet him at the hotel．I must learn music ten more years though I have (learned it) ten years．William must be a good man, since his father is ( a good man)．She was happy because her husband was (happy)．They will arrive either before (the show begins) or after the show begins.(也可省after后从句部分) —由than 和as 引起的从句中有许多省略的办法：Liz spoke Chinese better before than (she speaks it) now．Liz speaks English better than her friends (speak it)．Liz is more shy than (she is) unfriendly．Liz looks younger than she is (young)．Liz considers him more a friend than (she considers him) a teacher．Liz speaks English better than you think (that she speaks it)．Bob doesn't regard money so seriously as his father (regards it)．Bob treats people as skillfully as (he) does research work．Bob knows science as much as you expect (that he knows it)．三、省略从句主语并改写成v-ing结构When arriving(=When you arrive), send me a message.Before leaving (=Before you leave) , turn off all the lights.Although working very hard(=Although he worked very hard), he failed in the final exam.If going there by air(=If we go there by air), we’ll have to pay twice the fare.After being caught by the police(=After he was caught by the police), the thief admitted.四、省略从句主语改写成to do结构He studied hard in order that he could get a scholarship.=He studied hard in order to get a scholarship.We rushed through the last few design drawings so that we could go home early.=We rushed through the last few design drawings so as to go home early.I'11 be glad if I can help.=I'll be glad to help.He is so clever a student that he can work out all the difficult questions.=He is so clever a student as to work out all the difficult questions.He is so young that he can’t join the army.=He is so young as not to join the army.=He is too young to join the army.=He is not old enough to join the army.巩固练习一．单句填空1.Film has a much shorter history, especially when _____(compare) to music and painting.2. His play was popular and every time _____(talk) about it, he owed his success to his friends.3.The boss, not the workers should be responsible for the accident. They just carried out the order as_____ . (tell)4. The plan must be modified ________ being put into effect.5.One day while ________(work) at the cash register in the gift shop, I saw an elderly couple.6.If _______(finish) your work, you can help me with mine.7.We all know that,____ not carefully dealt with, the situation will get worse.8. ________ordered to leave, the soldier did not move an inch.9.Friendship is like money: easier made than _____ .(keep)10.When I was at your age my father told me that I should go and work wherever ____ most. (need)二．短文填空Leaders of the European Union say they will help Greece as it struggles under a mountain of debt. They promise to take action, 1______ needed, "to maintain financial stability in the euro (欧元) area as a whole." But the leaders did not announce any 2______ (detail) plan for Greece after meeting Thursday in Brussels. They said that was 3______ Greece has not requested any financial support. European Commission President said this means the government believes 4______ does not need the support.Businessmen had a mixed reaction 5______ the statements from Brussels. Worries over Greek debt have pushed the euro to its 6______ (low) value in months against the dollar. European Union finance ministers are expected to talk about Greece when 7______ (meet) in the Belgian capital next week.Sixteen of the twenty-seven nations in the European Union use the euro as their currency. Now, the stronger members 8______ (seek) ways to help the weaker ones. European Union rules limit the choices for a rescue. The European Central Bank and national central banks are not permitted to aid members by purchasing their debt. European officials hope to avoid the economic disasters 9______ could become even worse if Greece fails 10______ (pay) its debt. This year Greece's debt could reach 120% of its GDP.答案：一. compared、talking、told、before、working、having finished、if、Although/Though/While、kept、needed二．1. if/when 2. detailed 3. because 4. it 5. to 6. lowest 7. meeting 8. are seeking 9. that/which 10. to pay。

根据英语时间状语从句讲解及练习(简化版)

根据英语时间状语从句讲解及练习(简化版)一、什么是时间状语从句时间状语从句是由连词引导的从句，用来表示一个动作或状态发生的时间，它可以在句子中充当状语，起到修饰或限定其他句子成分的作用。

二、几种常见的时间状语从句及用法1. when当...时候例句：He was studying in the library when the earthquake happened.译文：地震发生时，他正在图书馆研究。

2. while当...的同时例句：I was cleaning the house while my sister was cooking.译文：我正在打扫房子，而我妹妹正在做饭。

3. as soon as一...就...例句：She called me as soon as she arrived home.译文：她一到家就给我打电话。

4. before在...之前例句：Please finish your homework before you go out to play. 译文：在你出去玩之前，请完成你的家庭作业。

5. after在...之后例句：He went to bed after he watched the movie.译文：他在看完电影之后上床睡觉。

6. until直到...例句：They played basketball until it got dark.译文：直到天黑之前他们都在打篮球。

三、时间状语从句练1. _______ he finishes his work, he will join us for dinner. （when）译文：当他完成工作时，他会加入我们共进晚餐。

2. I fell asleep _______ I was reading a book. （while）译文：我边看书边睡着了。

3. We will go shopping _______ the rain stops. （as soon as）译文：一雨停，我们会去购物。

状语从句的简化讲解

状语从句的简化讲解状语从句是从句的一种用途，用来修饰主句中的动词、形容词、副词，表达时间、地点、原因、条件、目的、方式等。

简化状语从句是指将完整的状语从句转换为简洁的词组或词语。

具体来说，可以通过以下几种方法进行简化：1. 使用分词结构：将状语从句中的谓语动词改为现在分词或过去分词形式，构成分词短语作为状语。

例如：While I was studying forthe exam, my friend called me. 可简化为：Studying for the exam, my friend called me.2. 使用介词短语：将状语从句中的介词部分提取出来，构成介词短语作为状语。

例如：She went to the park after she finished her homework. 可简化为：She went to the park after finishing her homework.3. 使用副词或连词：将状语从句中的连词替换为相应的副词，构成简单的副词短语作为状语。

例如：Because it was raining, we stayed at home. 可简化为：Due to the rain, we stayed at home.4. 去掉主从句共有的部分：如果主从句中存在相同的主语、谓语或其他部分，可以把它们省略，使得从句变得更加简洁。

例如：When she saw the movie, she was impressed. 可简化为：Seeing the movie, she was impressed.总之，简化状语从句在表达中起到了简洁、明确的作用，更加符合书面语的要求。

根据英语让步状语从句讲解及练习(简化版)

根据英语让步状语从句讲解及练习(简化版)什么是让步状语从句？让步状语从句是英语语法中的一种从句类型，用于表示一种让步关系或相反的情况。

它通常由连词"although"、"though"、"even though"、"while"等引导。

让步状语从句的结构让步状语从句的结构如下所示：- 副词从句：连词 + 主语 + 谓语，例如："Although he is tired,he keeps working."- 倒装形式：连接词 + 助动词/助动词短语 + 主语 + 谓语，例如："Tired as he is, he keeps working."让步状语从句的使用方法让步状语从句用于表达与主句相反或相对的情况。

它可以用于增强论点、表示让步、引出对比等情况。

以下是一些常见的使用方法：1. 表示让步：尽管某种情况存在，但结果仍然是事实。

- "Although he was tired, he went to the party." (尽管他很累，但他还是去了聚会。

)- "Even though it was raining, they went for a walk." (尽管下着雨，他们还是去散步了。

)2. 引出对比：将两种相反的情况进行对比。

- "While some people enjoy winter sports, others prefer indoor activities." (一些人喜欢冬季运动，而另一些人则更喜欢室内活动。

)3. 增强论点：用于在陈述观点时先承认对方的观点，然后提出自己的反驳或结论。

- "Though it may be costly, investing in education is essential for future success." (尽管教育可能很昂贵，但对未来的成功来说是必不可少的。

状语从句引导词 (简化精华版)

状语从句：状语从句主要用来修饰主句和主句的谓语，一般可以分为九类：时间、地点、原因、目的、结果、条件、方式、让步、比较。

考点：掌握引导状语从句的连接词。

1.时间状语从句常用：when, as, while, as soon as (一...就...), before, after, since, till, until特殊：the minute, the second, the moment, every time, the day, the instant, immediately, directly, no sooner ... than..., hardly... when ..., scarcely... when....(刚....就...)特殊句型：It is/was + 具体时间点+ when .... 那是在...时发生的It is/has been + 时段+ since... 自从...以来过了多久了It will be/ was + 时段+ before 要过/ 已经过了多久才...2.地点状语从句常用：where (在某个地方）特殊：wherever, anywhere, everywhere注意：where 与wherever 的区别定从与状从的区别（先行词）状从不能用介词+ which 引导考点：既考状从又考定从与状从的区别3. 原因状语从句常用：because, since, as,特殊：seeing that, now that, in that, considering that, given that4.目的状语从句常用：so that, in order that特殊：lest, in case, for fear that，in the hope that, for the purpose that, to the end that5.结果状语从句常用：so … that, so… that, such … that,特殊：such that, to the degree that, to the extent that, to such a degree that,6.条件状语从句常用：if, unless,特殊：as/so long as, only if, providing/provided that, suppose that, in case that, on condition that7. 让步状语从句常用：though, although, even if, even though特殊：as(用在让步状语从句中必须要倒装)，while ( 一般用在句首)，no matter …，in spite of the fact that, while, whatever, whoever, wherever, whenever, however, whichever8.比较状语从句常用：as(同级比较), than(不同程度的比较)特殊：the more … the more … ; just as …，so…; A is to B what /as X is to Y; no … more than; not A so much as B9. 方式状语从句常用：as, as if, how特殊：the way。

简化状语从句

• 时间状语从句 • 1、以when，while引导的时间状语从句和以if引导的条件状语从句，谓语动词是主动语态时，如果从句谓语动词所表示的动作是与主句谓语同时发生，可简化为现在分词的一般式；如果从句谓语动词所表示的动作发生在主句谓语之前，则可简化为现在分词的完成式。 • When we heard (=When hearing/Hearing)the teacher's pleasant talk to us, we began to feel comfortable. • While Mary was standing(While standing/Standing) in front of the teacher, she(Mary) was very nervous.
如何用分词来简化状语从句
• 在使用英语时，有一个规则：能使用短语时不用句子，能用单个词时不用短语。因此，有些从句在实际应用时，有些可以可以简化成短语。下面先讲讲义中出现过的时间状语、原因状语和条件状语的简化情况。 • 情形一：从句主语和主句主语一致 • 步骤：去（从句）连词—去（从句）主语—（从句）谓语变分词
ቤተ መጻሕፍቲ ባይዱ
• b.连词+名词 • While (he was) a young boy, he was always ready to help others.他在孩提时代就乐于助人。 • Although (he was) a farmer, now he is a famous director.尽管他曾是个农民,而现在是位著名的导演了。
• ♠状语从句的省略 • 状语从句同时具备下列两个条件:①主句和从句的主语一致，或从句主语为it；②从句主要动词是be的某种形式。从句中的主语和be动词常可省略。例如： • When ( the museum is ) completed , the museum will be open to the public next year . • He’ll go to the seaside for his holiday if (it is ) possible. • 另外，比较状语从句经常省略。例如： • I’m taller than he (is tall ). • The higher the temperature (is), the greater the pressure (is ).

三大从句简化

三⼤从句简化总结：第⼀,名词从句⼀般仅与动名词和不定式有关,其中与动名词的关系更密切。

第⼆,定语从句⼀般仅与分词和不定式有关,其中与分词的关系更密切。

第三,状语从句⼀般仅与分词和不定式有关,其中与分词的关系更密切。

名词从句的简化名词从句被简化成两种形式：动名词和不定式。

名词从句与动名词1. that引导的主语从句与动名词直接⽤动名词的复合结构替换主语从句：It surprised us that John won the marathon.That John won the marathon surprised us.Johns winning the marathon surprised us.约翰赢得了马拉松⽐赛,这真让我们吃惊。

2. that引导的同位语从句与动名词that引导的同位语从句替换为“名词 + 介词(常⽤of,偶尔可以⽤about等) + 动名词的复合结构”:We were greatly encouraged by the news that China had launched another man-made satellite.We were greatly encouraged by the news of China having launched another man-made satellite.听到中国⼜发射了⼀颗⼈造卫星的消息,我们都受到极⼤的⿎舞。

Anyone with half an eye on the unemployment figures knew that the assertion that economic recovery would be just around the corner was untrue.Anyone with half an eye on the unemployment figures knew that the assertion about economic recovery being just around the corner was untrue.任何⼈只要稍稍看⼀眼⽬前的失业率就能知道,有关经济复苏即将到来的断⾔是不符合事实的。

英语从句的“简化”

英语从句的“简化”摘要：本文通过展示各种状语从句、定语从句和名词性从句的不同简化方式，试图探索英语从句简化的内在规律。

关键词：英语从句；简化；省略“删繁就简”是当今语言发展的趋势之一，“当代英语的用词越来越通俗，句子越来越短小，这是一个明显的趋势。

”英语从句的“简化”可以看作是这一趋势的一种具体表现。

所谓英语从句的“简化”，就是通过对部分成分的省略或替代，把从句“简化”为分词短语、不定式短语或介词短语等，从而使一些复合句变得短小精悍或化为简单句。

本文拟对这一现象进行初步的探讨。

一、状语从句的“简化”我们先来看一些状语从句“简化”的例子：例1. Be careful when you are crossing the busy street. (时间状语从句)Be careful when crossing the busy street.例2. I will not attend the party unless I am invited. (条件状语从句)I won’t a ttend the party unless invited.例3. He returned three days earlier than he was expected. (比较状语从句)He returned three days earlier than expected.例4. Though they had failed several times(让步状语从句), they never lost heart. Though having failed several times, they never lost heart.例5. Although he was a physicist by training(让步状语从句), he became a great statesman.Although a physicist by training, he became a great statesman.一般来说，在时间、条件和让步等状语从句中，如果从句的主语与主句的主语一致，并且从句谓语中含有be动词时，我们可以用省略从句主语和be动词的方式把这些从句“简化”为相应的“从属连词+分词(或形容词、名词、介词)短语”这种结构。

高考英语冲刺指南状语从句的省略与简化

高考英语冲刺指南状语从句的省略与简化高考英语冲刺指南：状语从句的省略与简化在高考英语的复习冲刺阶段，状语从句的省略与简化是一个重要的语法点，掌握这一知识点对于提高英语成绩、增强语言理解和表达能力有着关键作用。

接下来，让我们一起深入探讨这个语法要点。

状语从句的省略与简化，简单来说，就是在特定的语境和语法规则下，将状语从句中的某些成分省略掉，使句子更加简洁、自然。

这不仅能让我们的语言表达更高效，还能在考试中帮助我们更快地理解和解答相关题目。

首先，我们来看看条件状语从句的省略。

当条件状语从句中的主语与主句的主语一致，并且从句中含有 be 动词时，可以将从句中的主语和 be 动词一起省略。

例如：If （I am) invited, I will go to the party 这里就省略了“I am”，但句子的意思依然清晰明了。

时间状语从句的省略也较为常见。

比如，当时间状语从句的主语与主句主语一致，且从句中含有 be 动词或主语＋ be ＋现在分词时，可以进行省略。

举个例子：When （I was) walking in the street, I saw an old friend 这里省略了“I was”，句子依然通顺易懂。

原因状语从句的省略同样有其规则。

若原因状语从句的主语与主句主语一致，且从句中含有be 动词，可以省略从句中的主语和be 动词。

比如：Because （I was) ill, I didn't go to school 省略了“I was”后，句子的意思表达依然准确。

让步状语从句的省略情况相对复杂一些。

在某些情况下，当让步状语从句的主语与主句主语一致，且从句中含有 be 动词时，可以省略从句中的主语和 be 动词；若从句中含有 be ＋过去分词时，也可以省略be 动词。

例如：Though （he was) tired, he still continued working 以及：Although （it was) built many years ago, the bridge is still in good condition 这两个例子分别展示了不同情况下的省略。

(简化版)状语从句翻译练习

(简化版)状语从句翻译练习简化版状语从句翻译练1. 什么是状语从句？状语从句是指在句子中充当状语的从句。

它可以表示时间、原因、方式、条件、目的、结果等各种语义关系。

状语从句通常由连词引导，如因果关系用"因为"、"由于"，时间关系用"当"、"一直到"等。

2. 状语从句的翻译要点在翻译状语从句时，需要注意以下要点：- 理解主从句之间的语义关系；- 根据语义关系选择合适的连词；- 注意时态和语序的变化。

3. 状语从句的翻译练3.1 时间状语从句- 英文原句：He will go to the gym when he ___.- 中文翻译：他下班后会去健身房。

3.2 原因状语从句- 英文原句：She left early because she felt sick.- 中文翻译：她因为感觉不舒服所以提前离开了。

3.3 方式状语从句- 英文原句：Please tell her how to get there.- 中文翻译：请告诉她如何去那里。

3.4 条件状语从句- 英文原句：If it rains tomorrow, we will stay at home. - 中文翻译：如果明天下雨，我们就待在家里。

3.5 目的状语从句- 英文原句：___ hard so that he could pass the exam.- 中文翻译：他努力研究以便能够通过考试。

3.6 结果状语从句- 英文原句：___.- 中文翻译：她累得无法保持清醒。

4. 总结状语从句在翻译时需要根据语义关系选择合适的译文，并注意时态和语序的变化。

通过不断练习，我们可以提高对状语从句的翻译能力。

状语从句(完整归纳)资料讲解

状语从句(完整归纳)状语从句一．分类：时间状语从句：when (当……的时候) while (在……期间) as (当……的时候, 一边……一边……)before (在……之前) since (自从……以来) till/until (直到) hardly…when… (刚……就)as soon as (一……就……) after (在……之后) not…till/until（直到……才）no sooner…than…(刚……就)地点状语从句： where (在那里) wherever(无论哪里)原因状语从句：because (因为) since (因为，既然) as (由于) for (为了) now that（既然）目的状语从句：（so）that=in order that（以便） so as （not） to （以便[不]） in case（以免） lest（以免）结果状语从句：so+adj./adv.+that（如此……以致） so that（结果……）such+n.+that（如果……以致） that（所以，因此）让步状语从句：though/although不可同but连用。

though/although （虽然） however （可是） even though（即使） even if （即使）no matter+what/which/where/who/when =whatever/whichever/wherever/whoever/whenever（不论什么/哪一个/哪里/谁/何时）比较状语从句：as （正如）as…as（和……一样）not as/so … as （不如……） than（比……更）the+比较级…+the+比较级（越……越……）条件状语从句：if（假设） unless（如果不） so long as（只要） on condition that （如果）方式状语从句：as（像……那样地） just as（正像） as if（好像） as though（好像）二．各种状语从句的简化方法：1．以after和before引导的状语从句的主语若与主句主语一致时，从句等于after/before+doing sth.作状语。

从句与非谓语之状语从句的简化

状语从句与非谓语一般来说，只有当状语从句的主语和主句的主语相同时，才能把状语从句换成短语。

否则，会引起句义的改变。

在三大非谓语当中，只有不定式和分词才可能作状语，因而状语从句自然也只能简化成这两种非谓语形式。

一、状语从句与分词(一)、由于分词具有副词的功能，可以在句中作状语，所以状语从句往往可以简化成分词短语。

具体的简化操作是：如果状语从句中含有be动词，我们只需把从句主语和be动词省去，即简化成短语。

例：1A zero can have its meaning only when it is used with real numbers; thoughts can give off brilliant light only when they are put into actions.可化简为：A zero can have its meaning only when used with real numbers ; thoughts can give off brilliant light only when put into actions.零，只有和实数用在一起才有意义；思想只有付诸行动才能发出光芒。

(二)、如果状语从句中没有be动词，我们则可把从句的主语省去并且把动词变成现在分词-ing形式。

对于这种状语从句的简化，其实就相当于分词作状语。

例：1Since I came to Beijing, I have made many new friends.可化简为：Since coming to Beijing,I have made many new friends.来到北京之后我交了很多朋友。

例：2After he jumped out of a boat, the man was bitten by a shark.可化简为：After jumping out of a boat ,the man was bitten by a shark.那名男子从船上跳出后，就被一条鲨鱼咬了。

浅谈状语从句的简化用法

浅谈状语从句的简化用法状语从句是语言学习中一个重要的部分，它能够有效地表达一个句子的功能。

今天，我们来谈谈“状语从句的简化用法”。

首先，我们需要了解什么是状语从句。

它被称为状语从句，因为它能够作为一个整体句子，在句子中提供一些状语性语法信息，以表达句子的功能。

例如，如果我们想表达“因为你太棒了，我喜欢你”，我们可以使用“because you are so good, I like you”作为状语从句来表达。

其次，让我们来讨论关于状语从句的简化用法。

如果你想要简化你的句子，你可以使用状语从句来简化。

你可以把一个长句子分解成两个语句，并使用状语从句来表达同样的意思。

例如，你可以将“因为你太棒了，由于你太棒了，我喜欢你”简化为“Because you are so good, I like you”。

第三，在状语从句的简化用法中，还有几种不同的类型。

第一种是对比性状语从句，它可以用来表达“比较、对照”的意思。

它可以用来表达“As I said before, as opposed to what he said, I think...”这类句子。

第二种是条件状语从句，它可以用来表达“如果……，就……”的意思。

它可以用来表达“If I have time, I will go to the party”这类句子。

第三种是让步状语从句，它可以用来表达“即使……，也……”的意思。

它可以用来表达“Even though I am tired, I still have to finish my homework”这类句子。

最后，当你使用状语从句来表达你的想法时，要记住遵循正确的语法。

例如，如果你使用的是条件状语从句，你需要正确使用if。

如果你使用让步状语从句，你需要使用though或者even though。

此外，要注意使用正确的句子结构，确保语法正确。

总之，状语从句是语言学习中一个重要的部分，可以有效地表达一个句子的功能。

浅谈状语从句的简化用法

浅谈状语从句的简化用法以《浅谈状语从句的简化用法》为标题，写一篇3000字的中文文章状语从句，也称为条件状语从句，是我们日常语言中最常用的一种句型类型，它可以表示条件，限制，时间，原因，结果等时态,中文语言中极具表现力的句式。

在实际的英语交流中，学习状语从句可以给您更好地帮助提高交流技巧，并使您说话更加流畅。

在英语口语中，状语从句的简化用法可以极大地缩短句子的长度，使其更加简洁，可以节省时间，减少口头演讲的停顿时间，有助于提高口语表达能力。

状语从句的简化用法有几种，首先是把状语从句中的连词可以省略，如把 if you do that, you will fail the exam简化为Do that, you fail the exam其次，状语从句中的主语可以省略，如 If she comes here, she will be very happy可以简化为Comes here, will be very happy。

第三，当状语从句中的谓语动词不是助动词时，可以把状语从句中的谓语动词提前，如 If you listen carefully, you will understand可以简化为Listen carefully, you will understand。

第四，当状语从句中的谓语动词是助动词时，可以把状语从句中的情态动词提前，如 If you can finish the work, you shoulddo it可以简化为Can finish the work, should do it。

此外，状语从句的简化还可以采用否定词的简写方法，如He won go there, if he doesn feel like it可以简写为Won go there, if doesn feel like it。

行文时，建议大家把状语从句中的连接词去掉，可以节省时间，减少演讲的停顿时间。

但是，我们要注意，这种简化不能改变状语从句本身的语义，否则会出现语法错误，破坏语言的表达效果。

简化为 Ving 补语英语基础语法

简化为Ving 补语若状语从句是一般语法书所谓的进行式( be +Ving )，那么省略主语和be 动词后就只剩Ving 补语。

反之，若没有be 动词可省略，也没有语气助动词可供改写，就得先改成进行式，再省略be 动词，仍然可得到Ving 的结果。

例如：●While he was lying on the couch,the boy fell asleep. 状语从句S V C （小男孩在沙发上躺着，就睡着了。

）上例中状语从句的主语he 就是主要从句的主语the boy ，这个重复就有可以省略的空间。

同时状语从句中有现成的be 动词，是Linking Verb (连缀动词)，本身没有意义，因此，省去主语与be 动词，不会改变原句的意思：1.While lying on the couch, the boy fell asleep. 简化状语从句一、连接词是否保留状语从句因为已经简化，不再有主语、动词，所以上例中它的连接词while 也没有存在的必要。

不过，状语从句的连接词除了语法功能之外，还有词义的功能：while 和before 不同，也和if、although 等不一样，虽然简化了，状语从句的连接词有时还是要保留，至于保留与否则完全取决于修辞上是否清楚。

简化是为了让句子更简洁，可是绝不可伤害清楚性。

在句子够清楚的前提下，状语从句的连接词可以一并省去，上例即成为：2.Lying on the couch,the boy fell asleep. 简化状语从句一般来说，while (包括when 等）是表示"当……之时”的连接词，because (包括as、since 等）是“因为”的连接词，省略后通常不妨碍句子的清楚性。

但还是要一个一个句子去判断,看看省略之后读者是否可能会误解。

二、所谓“分词构句”以例2而言，省去while 之后，句子仍然清楚，不过传统语法学家解释起来就大费周章。

他们只看到lying on the couch 是现在分词短语，属于形容词类，但显然不是用来修饰名词类的the boy (它不是用来特别指出哪一个男孩)，而是修饰动词类的fell (用来说明是何时、在何种状态下睡着)。

状语从句化简为副词短语

状语从句化简为副词短语★副词连词while（在……的时候）和when（当）引导状语从句时，若此状语从句中的主语与主句中的主语相同时，则此状语从句可以化简为副词短语。

⽽though/although（虽然）、if（如果）、unless（除⾮）及once（⼀……就……）等四个副词连词引导的状语从句中的主语与主句中的主语相同，且主语后是“be动词形容词⁄过去分词”时，则此状语从句即可化简为副词短语。

其化简⽅式如下：1、去掉状语从句的主语；2、其后动词化为现在分词；3、若动词为be动词时，则在变成现在分词being后通常予以省略；但在though/although、if、unless、once引导的结构中，则being⼀律予以省略。

★实战演练：While I study,I never listen to music.→While studying,I never listen to music.读书时，我从不听⾳乐。

When you drive,you should never drink.→When driving,you should never drink.开车时你绝对不可以喝酒。

Though he was reluctant,he still went to the party.→Though reluctant,he still went to the party.虽然不情愿，他还是去了那个派对。

If it is too greasy,it can't be called health food.→If too greasy,it can't be called health food.如果太油腻的话，就不能叫作健康⾷品。

Once John is bored,John becomes very restless.→Once bored,John becomes very restless.约翰⼀⽆聊就变得⾮常浮躁不安。

各类从句的简化方法

各类从句的简化方法各类从句的简化方法（一）改用"不定式”或"不定式短语”如果定语从句的时态与主句的时态具有同时性（包括谓语有情态动词）或之后性，则可以用“关系代词或关系副词+不定式”来简化，或直接用“不定式”来修饰先行词。

要注意的是，此时的不定式一定要是及物动词，如果是不及物，则需要在动词后面加上相应的介词，使之成为及物动词短语。

这个结尾的介词可以提前到关系代词前面，也可以继续留在句尾。

前者是正式说法，后者是非正式说法。

例1: We moved to the country so that the children would have a garden in which they could play in . 我们搬到了乡下，好让孩子们有个花园在里面玩。

改为：We moved to the country so that the children would have a garden in which to play.或者：We moved to the country so that the children would have a garden to play in.例2：He felt miserable uni ess he had n eighbors （whom）he could quarrel with . 他要是没有可以吵架的邻居就难受。

改为：He felt miserable uni ess he had neighbors with whom to quarrel.或者：He felt miserable uni ess he had n eighbors to quarrel with.例3：The conference which will be held this after noon is bound to be a great success. 计戈U在今天下午举行的会议一定会取得成功。

状语从句的简化

状语从句的简化在利用英语进程中，有如此一条规那么：利用短语时不用句子，能用单个词时不用短语。

因此，就状语从句而言，实际应历时，有些可简化成短语，现将简化的情形综述如下。

1．以after和before引导的状语从句的主语假设与主句主语一致时，可用af-ter和before与从句谓语动词的动名词（短语）形式组成介词短语作状语。

例如：After she sang（After singing），she left the rich man's house．唱完以后，她就走出了那位阔佬的家。

Before we do the job（Before doing the job），we'd better think it over．做这项工作之前，咱们最好先认真考虑考虑。

2．以as soon as引出的状语从句的主语假设与主句主语一致时，可用on＋V-ing形式简化该状语从句，现在的动词为非延续性动词。

例如：Dr Bethune began to operate on the wounded soldiers as soon as he arrived at the village（on arriving at the village）．白求恩医生一到那个村子，就开始给伤员动手术。

3．时刻状语从句和条件状语从句的主语与主句主语一致时，有时可简化为不定式作状语。

例如：She stopped when she saw her husband（to see her husband）．她见到她丈夫就停了下来。

If you want to understand the farmers（to understand the farmers），you mustgo to the countryside．你想了解农人，必需深切到农村去。

4．结果状语从句和目的状语从句的主语假设与主句主语一致时，能够简化为不定式作状语；假设二者主语不一致时，那么应简化为不定式的复合结构作状语。

英语学习：哪些情况下状语从句的be动词可以省略

【导语】当状语从句的主语和主句的主语⼀致时,从句可以将主语和be动词简化掉。

整理了相关内容，快来看看吧！希望能帮助到你~更多相关讯息请关注！1. 连词+形容词As (he was) young, he learned how to ride a bike.他⼩时候就学会了骑⾃⾏车。

Whenever (she is) free, she often goes shopping.她有空就去逛商店。

Work hard when (you are) young, or you'll regret.少壮不努⼒,⽼⼤徒伤悲。

2. 连词+现在分词As (she was) walking along the river bank, she was singing a pop song.她沿着河堤边⾛边唱着流⾏歌曲。

Although (he is) doing his best in maths these days, he has still got no good marks.尽管近来他⼀直在学数学,但他仍然没有取得好成绩。

3. 连词+名词While (he was) a young boy, he was always ready to help others.他在孩⼦时代就乐于助⼈。

Although (he was) a farmer, now he is a famous director.尽管他曾是个农民,但现在他是位的导演了。

4. 连词+介词短语She looked anxious as though (she was) in trouble.她看上去很焦急,好像遇到了⿇烦。

He had mastered the English language before (he was) in the USA.他到美国之前就懂英语了。

注意:当从句主语和主句主语不⼀致时,从句部分要么⽤完全形式,要么⽤独⽴主格结构来表达。