as引导方式状语从句
as引导的是什么从句
as引导的是什么从句
1. As可以引导定语从句。
有时可译为“正如”;
2. As 还可引导原因状语从句,“因为,由于”;
3. As还可引导时间状语从句,“当,随着”;
4. As还可引导方式状语从句,“按照”;
5. As还可引导让步状语从句。
“尽管”。
扩展资料
例句:
As we can see, he is a Chinese.
正如我们所看到的.,他是一个中国人。
As he is so lazy, he never cooks by himself.
由于他很懒,他从不自己做饭。
As the weather is colder and colder, the leaves of the tree is less and less.
由于天气越来越冷,树上的叶子越来越少。
You must do the work as I have told you.
你必须按照我告诉你的那样做这项工作。
as的用法例句
as的用法例句as英语单词有三种使用方法:①.连词conj. 因为;随着;虽然;依照;当…时;②.介词prep. 如同;当作;以…的身份;③.副词adv. 同样地;和…一样的。
下文将对as引导各类从句进行汇总,并具体总结出其特性,及例句:一、as引导原因状语从句as表示“因为”,与because相比,较口语化,所表达的原因语气较弱,所表的原因比较明显,或是已知的事实。
例1:As the weather is so bad, we have to delay our journey.因为天气太糟糕,我们不得不推迟旅行。
例2:Any new source of energy will be very welcome, as there is already a shortage of petroleum.任何新型能源都将大受欢迎,因为石油已经出现短缺。
二、as引导方式状语从句as表示“按照”,“以……方式”,“像……一样”,“正如”。
例:Do as the Romans do when in Rome. 入乡随俗注:as在引导方式状语从句时,还常出现在一个固定的类比结构中:(just) as …, so…。
这一句型表示类比,基本含义是“正如……,所以……”。
例:Just as virtue is its own reward, so is vice its own punishment.善有善报,恶有恶报。
三、as引导让步状语从句as可以表示“尽管”,“虽然”,引导让步状语从句,但必须构成倒装。
让步状语从句倒装规则有两类:1、动词原形+as+主语+助动词(may/might, will/would,can/could, do/does/did),主句。
例:Try as we may, we cannot sense directly the television signal sent out from the broadcast station.尽管我们费了很大的劲,也无法直接觉察发射台发出的电视信号。
as 引导方式状语从句
as 引导方式状语从句
as引导方式状语从句:表示“按照”,“以..…方式”,“像.....一样”,“正如”。
Do as the Roman。
as引导时间状语从句:与when、while相比,as多用于口语,强调“同一时间”或“时间一先一后”或者“随着”。
as引导原因状语从句:与because相比,较口语化,所表达的原因语气较弱,所表达的原因比较明显,或是已知的事实。
as引导比较状语从句:基本结构是as...as,前一个as是副词,后一个as是比较状语从句的连词。
as引导让步状语从句:表示“尽管。
方式状语从句
方式状语从句是英语语法状语从句的一种,常见的引导词有表示“像……”的as和表示“好像……”的as if/as though。
方式状语从句的例句有:Let’s study as Lei Feng studied. 让我们像雷锋那样学习吧;Think as I think. 像我这样去想。
状语从句知识点
状语从句= 引导词/词组+ 主谓结构,状语从句位于句首/句中时通常用逗号与主句隔开;位于句尾时可以不用逗号隔开。
当具备以下两个条件时,状语从句中可以适当进行省略。
主句和从句的主语一致,或从句主语为it,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。
as作连词的用法归纳总结
as作连词的用法归纳总结一、as作为连词的基本用法作为一个连词,as在句子中具有多种用法。
它可以引导原因状语从句、方式状语从句、时间状语从句以及让步状语从句等。
下面将对这些不同用法进行详细的归纳总结。
1. 引导原因状语从句当as引导原因状语从句时,表示结果发生的原因或理由。
常与such/as such、especially/as especially、particularly/as particularly等词搭配使用。
例如:- I couldn't sleep as the room was too noisy.- As it was raining heavily, we decided to stay home.2. 引导方式状语从句在此情况下,as引导的方式状语从句表达某个动作或状态发生的方式或方式特点。
例如:- She treated me as if I were a stranger.- He ran as fast as he could to catch the bus.3. 引导时间状语从句当as引导时间状语从句时,意味着两个动作同时发生。
例如:- As she was cooking dinner, her phone rang.- As the game started, the crowd cheered loudly.4. 引导让步状语从句在这种情况下,as除了表达对比之外,还表示两个行为具有相似性质但存在明显差异。
例如:- Rich as he is, he is not happy.- Clever as she is, she still made a mistake.二、as作为连词的扩展用法除了上述基本用法外,as还有其他一些特殊的用法。
下面将介绍其中几种常见的用法。
1. 表示"像...一样"在这种情况下,as可以引导一个比较状语从句,表示两个事物之间的相似性。
as引导六大从句
as是考研英语中十分常见的单词,用法灵活多样,是英语中最常用的词汇之一。
as主要有两种词性,分别为介词和连词。
as作为介词时,用法和语义较单一,其含义为“作为”。
但是as作为连词词性时,其用法和功能较多,可以引导各类从句,而对其所引导的从句类型的识别也就成为了as理解的难点。
在此对as引导各类从句进行汇总,并对各类从句的特点给出具体总结。
一、as引导定语从句as引导定语从句时,既可以引导限定性定语从句,又可以引导非限定性定语从句。
区分as引导定语从句和其它从句的关键特征是:as引导定语从句时在从句中做成分,通常做主语或宾语。
1、as引导限定性定语从句。
如从句所修饰的名词前有such、the same、as出现,后面的定语从句将由as引导,形成such...as,the same...as,as…as这样的固定结构,译为“和……一样”。
例1:I never heard such stories as he told.我从未听过他所讲的那样的故事。
例2:He’ll repeat such questions as are discussed in the book.他将重复书中讨论过的问题。
例3:They made the same mi stake as others would have made on such an occasion.他们犯了和其他人在这种场合下会犯的同样错误。
2、as引导非限定性定语从句。
as引导非限定性定语从句,往往指代一整句话,通常表示“正如”的意思。
as引导的非限制性定语从句位置相对比较灵活,可以位于先行词之前、之后或中间。
例:As is known to everybody, the moon travels round the earth.众所周知,月亮绕着地球转。
二、as引导时间状语从句as引导时间状语从句多用于口语,强调“同一时间”或“一先一后”,有时还有“随着”的含义。
as原因状语从句
as原因状语从句一、什么是as原因状语从句As原因状语从句,也叫做as引导原因状语从句,是用as连接的从句,其作用是构成一个复合句时表示原因。
在句中,as原因状语从句位于句首:As it was raining heavily, I stayed at home.二、as原因状语从句的结构as 原因状语从句一般由as引导,它们由两个成分组成:as + 原因状语从句。
在原因状语从句中,句子结构应该是过去时,如果出现相应的现在或将来时态时,它也将保持原有的语态,如:As David was out of town, we had to do it without him.As he will be busy tomorrow, he won't join us.三、as原因状语从句的用法as原因状语从句也可以用来引出原因,意思是“因为”,后面跟一个完整的句子,可以是主句,也可以是从句,如:As his parents don't speak English, he can't attend the English class.As the weather was getting worse, we had to go back.四、as原因状语从句的表达方式1、也可以用because或since连词来引导原因状语从句,用because是对比表达,用since是递进表达:Because it was raining, I didn't go to school.Since it was raining, I decided to stay at home.2、用so…that 来表示原因:The weather was so bad that I couldn't go out.3、用in order that 引出原因:They came early in order that they could get a good seat.4、用for fear of 引出原因:She kept silent for fear of making a mistake.五、as原因状语从句的拓展1、表示“尽管”的用法:As it was raining heavily, they still went out for a walk. 2、表示“由于”的用法:As the train was late, we missed our plane.3、表示“既然”的用法:As you already know the truth, you'd better not cover it up.。
as状语从句的用法
as状语从句的用法
as 引导的状语从句
1) as 引导时间状语从句,意为“随着……”,常与比级连用.
例如:We get wiser as we get older.
2). as 引导让步状语从句.需将表语或状语前置,有时也可用that / though 代替 as .
例如:Clever as he was, he still failed in examinations.
3) as 引导比较状语从句.与 than 引导的比较状语从句类似,有时从句用部分倒装.
例如: She took as much responsibility as her husband did.
4) as 引导表示强调意义的特殊比较句型.
- as … as anything; as … as can be; as …as one can “极其…… , 到了最……的程度”
例如:He is as naughty as anything .
- as … as one can; as … as permit; as best one can
“尽可能”
例如:He began to run, as fast as he could.
-as 引导类比从句,与 so 连用.表示“正如……所以……”
例如:As you brew, so must you drink.
-as 引导比例从句,与 what 用法相同.
例如:Books are to the mind as food is to the body。
as方式状语从句例句
as方式状语从句例句嘿,同学们,咱们今天来讲讲 as 方式状语从句例句啊。
那什么是 as 方式状语从句呢?简单来说,就是用 as 来引导一个句子,表示一种行为方式或者状态。
比如说啊,“He did as I told him.” 这句话里,“as I told him”就是一个方式状语从句,意思是他按照我告诉他的那样去做了。
再比如,“She sings as beautifully as a bird.” 这里的“as beautifully as a bird”表示她唱歌的方式像鸟儿一样美妙。
我给你们举个实际点的例子吧,就说小明学习特别努力,他每天学习的时间和方法都跟他的学霸同桌一模一样,那我们就可以说“As his deskmate does, Xiaoming studies very hard every day.” 这就很好地体现了 as 方式状语从句的用法。
还有啊,像“Please do as I say.” 就是请按照我说的做,这也是一个很常见的例子。
再看这个,“The old man walks as slowly as a snail.” 这个老人走路就像蜗牛一样慢,用这种形象的表达,是不是一下子就理解了as 方式状语从句呢。
在实际运用中,as 方式状语从句能让我们的表达更加生动、准确。
比如说你想描述一个人的行为方式,用这种方式就能简洁明了地传达出来。
就像有时候我们会说,“She dances as gracefully as a fairy.” 她跳舞像仙女一样优雅,这比起直接说她跳舞优雅,是不是更能让别人在脑海中形成具体的画面呢。
再比如说,“He writes as neatly as a calligrapher.” 他写字像书法家一样工整,这样的描述就更加生动形象了。
as 方式状语从句在英语中是很常用的一种句式,大家要好好掌握,多去练习,这样在日常的交流和写作中就能更加准确、生动地表达自己的意思啦。
定语从句as的三种用法
定语从句as的三种用法定语从句 "as" 有以下三种用法:1. 引导限制性定语从句:这种用法中,as在从句中作主语、宾语或表语。
例如:The car, as you know, cost me a lot of money. (你知道,那辆车花了我很多钱。
)I'll take the book, as you suggested. (按照你的建议,我会拿那本书。
)The child, as is well known, needs love and care. (众所周知,那个孩子需要爱和照顾。
)2. 引导非限制性定语从句:这种用法中,as在从句中作主语、宾语或表语。
例如:My sister, as you know, is a doctor. (你知道,我姐姐是一名医生。
)The book, as I have said, is very interesting. (正如我所说的,这本书非常有趣。
)The film, as you can imagine, was very emotional. (正如你可以想象的,这部电影非常感人。
)3. 引导方式状语从句:这种用法中,as在从句中作方式状语,表示“正如”、“就像”的意思。
例如:He did it, as we had expected. (他按照我们预期的那样做了那件事。
)She spoke to the camera, as if she was addressing a crowd of people. (她对着镜头讲话,就像是在向一群人发表演讲一样。
)。
英语重点词汇as句型详解
英语重点词汇as句型详解(1) as引导方式(或比较)状语从句句型:“按照……;正如……”例:As(it is)in your country, we grow wheat in the north and rice in the south.正如(像) 你们国家一样,我们北方种植小麦,南方种植水稻。
She enjoys all kinds of music, as I do.她和我一样什么音乐都喜欢。
Repeat these five steps, as in the last exercise.照前面的练习一样,重复这五个步骤。
They did as I had asked.他们是按照我的要求做的。
Leave the papers as they are.别去动那些文件。
She lost it, just as I said she would.我就说了吧,她把它丢了。
When at Rome,do as Romans do.入乡随俗。
(2) as+形容词/副词原级+(a /an)+名词+as ;否定式:not as/so --- as例:He was as white as a sheet.他面无血色。
She doesn't play as well as her sister.她演奏得不如她姐姐。
I haven't known him as long as you (= as you have known him) . 我认识他的时间没有你长。
He doesn't earn as much as me.他挣的钱比我少。
He doesn't earn as much as I do.他挣的钱不如我多。
It's not as hard as I thought.这没有我想象的那么困难。
Run as fast as you can.你尽量快跑。
We'd like it as soon as possible.我们希望越快越好。
英语学习:as引导的五种状语从句
【导语】状语从句(Adverbial Clause)状语从句指句⼦⽤作状语时,起副词作⽤的句⼦。
它可以修饰谓语、⾮谓语动词、定语、状语或整个句⼦。
根据其作⽤可分为时间、地点、原因、条件、⽬的、结果、让步、⽅式和⽐较等从句。
欢迎阅读©⽆忧考⽹为⼤家精⼼整理的as引导的五种状语从句!欢迎阅读学习!更多相关讯息请关注©⽆忧考⽹!1. as表⽰“当……的时候”,引导时间状语从句,多强调主句和从句中的动作或状态同时发⽣,从句可放在主句前,也可放在主句后。
例如:As I waited at the stop, I heard a big noise. 当我在车站等车的时候,我听到⼀个很⼤的声响。
She rose up as he entered. 当他进来时,她站了起来。
2. as表⽰“因为”、“由于”,引导原因状语从句,其语⽓不如because强,通常为附加说明的理由,且是已知晓的原因,主句与从句没有逻辑上的因果关系。
例如:As she was not well, I went there alone. 因为她⾝体不好,所以我独⾃到那⾥去了。
As he is a tailor, he knows what to do with this material. 由于他是个裁缝,他知道怎样利⽤这块布料。
3. as表⽰“虽然……但是……”,引导让步状语从句,从句通常⽤倒装语序,把从句的表语、状语或动词原形放在as前⾯,可以⽤though替代。
例如:Child as he is, he knows a lot. 虽然他是个孩⼦,但他知道的东西很多。
Hard as it was raining, they went on working in the field. 虽然天下⼤⾬,但他们继续在⽥地⾥⼲活。
4. as表⽰“按照”、“依照”、“像”,引导⽅式状语从句,从句置于主句之后。
例如:You should do as the teacher tells you.你应当依照⽼师所说的去做。
as引导的五种状语从句
as作从属连词用时,可以引导五种状语从句。
现归纳如下:1. as表示“当……的时候”,引导时间状语从句,多强调主句和从句中的动作或状态同时发生,从句可放在主句前,也可放在主句后。
例如:As I waited at the stop, I heard a big noise. 当我在车站等车的时候,我听到一个很大的声响。
She rose up as he entered. 当他进来时,她站了起来。
2. as表示“因为”、“由于”,引导原因状语从句,其语气不如because强,通常为附加说明的理由,且是已知晓的原因,主句与从句没有逻辑上的因果关系。
例如:As she was not well, I went there alone. 因为她身体不好,所以我独自到那里去了。
As he is a tailor, he knows what to do with this material. 由于他是个裁缝,他知道怎样利用这块布料。
3. as表示“虽然……但是……”,引导让步状语从句,从句通常用倒装语序,把从句的表语、状语或动词原形放在as前面,可以用though替代。
例如:Child as he is, he knows a lot. 虽然他是个孩子,但他知道的东西很多。
Hard as it was raining, they went on working in the field. 虽然天下大雨,但他们继续在田地里干活。
4. as表示“按照”、“依照”、“像”,引导方式状语从句,从句置于主句之后。
例如:You should do as the teacher tells you.你应当依照老师所说的去做。
The absence of air also explains why the stars do not seem to twinkle in space as they do from the earth. 空气的不存在,也说明了为什么在空中星星看来并不闪烁,而不像从地球上看的那样。
as 引导的各种从句
as 引导的各种从句as 作为英语中一个非常活跃的词,其引导的从句在中学阶级较为多见,它们的种类应根据实际意义具体分析判定。
如下:一、as 充当连词,引导状语从句。
1. 引导时间状语从句,主句动作与从句动作同时发生,译为“当……的时候;一边……一边”。
如:As the students watched him quietly,he mixed the three together.当学生们静静地看着他的时候,他把这三种液体搅和在一起。
As the pupils walked along the lake,they sang happily.学生们沿着湖一边走,一边高兴地唱着。
2. 引导原因状语从句,从句所表达的原因是比较明显的,已为人们所知的。
如:As he did not know much English,he got out his dictionary and looked up the word “ cough ” .由于他英语懂得不多,就拿出字典来查“咳嗽”这个词。
As it was getting very late,we soon turned back.因为很晚了,我们很快就回来了。
3. 引导方式状语从句,此时as 可译为“如;像;按照”。
如:Remember,you must do everything as I do.记住,你们都要照我这样做。
When at Rome do as the Romans do.(谚语)入乡随俗。
I have changed it as you suggested.我已经按照你的建议把它改好了。
4. 引导让步状语从句,多用于书面语中,且须用部分倒装语序,即将从句的表语或状语等前置。
它比though 和although 引导的让步状语从句更有表现力,语气更强。
如:Poor as he was (=Though he was poor )he was honest.他虽然贫穷,但很诚实。
再论As引导的方式状语从句
再论As引导的方式状语从句作者:张满胜来源:《新东方英语》2012年第10期上一期本栏目讨论了一类由as引导的方式状语从句。
本期笔者将继续与大家探讨另外一种由as引导的方式状语从句,其结构可以简单地归结为“as +助动词/be动词/情态动词+主语”。
下面笔者就按照该结构中所使用的三类动词为线索来分析这一结构。
As +助动词+主语在本文中,“as +助动词+主语”结构中的助动词主要是指助动词do。
下面笔者以一个例句来具体分析这一结构。
1. The delicious and vast menu choices contribute to the popularity of the Indian restaurant, as does the authentic and quaint décor.解析:这里的方式状语从句as does the authentic and quaint décor既是一个倒装句,也是一个省略句。
之所以说这个as从句是倒装句,是因为从句的主语是助动词does后面的名词短语the authentic and quaint décor。
如果将as从句还原为正常语序的话,我们可以写成as the authentic and quaint décor does。
而之所以说这个as从句是省略句,是因为从句利用助动词does 代替了从句的谓语部分。
事实上,从句的谓语部分应该是contribute to the popularity of the Indian restaurant,也就是主句的谓语部分。
所以,这里as从句的完整形式应该是as the authentic and quaint décor contributes to the popularity of the Indian restaurant。
那么例1句子的完整表达为:“The delicious and vast menu choices contribute to the popularity of the Indian restaurant, as the authentic and quaint décor contributes to the popularity of the Indian restaurant.”这里as的含义为“正如……一样”,由此可以得出这个句子的基本意思:“这家印度餐馆生意很火,既因为其美味多样的菜肴,也因为其原汁原味的独特装饰。
as的用法总结及典型句子
as的用法总结及典型句子as 是一个多功能的词,可以作为连词、副词、介词和名词使用。
以下是关于 as 的用法总结及典型句子:1. 作为连词:- as 用于引导原因状语从句,意为“因为”:- I couldn't sleep as it was too noisy outside.(因为外面太吵,我无法入睡。
)- as 用于引导方式状语从句,意为“以…方式”:- Do it as I showed you.(按照我给你展示的方式去做。
)- as 用于引导时间状语从句,意为“当…时候”:- As I was walking home, I saw a shooting star.(当我走回家的时候,我看到了一颗流星。
)2. 作为副词:- as 用作副词表示程度,意为“同样地”、“一样地”:- He can run as fast as his brother.(他跑得和他兄弟一样快。
)- as 用作副词表示方式,意为“像这样”、“如此”:- She sang as only she could.(她唱得很棒,只有她才能这样。
)3. 作为介词:- as 作为介词,意为“作为”、“当做”、“像”:- He works as a teacher.(他是一名教师。
)- Treat others as you would like to be treated.(对待别人要像你希望被对待一样。
)4. 作为名词:- as 作为名词,意为“一样的东西”、“相似之处”:- They have the same car, but hers is not as nice as his. (他们有同样的车,但她的不如他的好看。
)- as 作为名词,意为“身份”、“资格”:- He acted as an interpreter during the meeting.(他在会议期间充当翻译。
)总结:as 的用法非常多样,可以用作连词引导从句,副词修饰动词或形容词,介词表示方式或身份,还可以作为名词表示一样的东西或身份。
as引导让步状语从句
as引导让步状语从句as可引导让步状语从句,表示“虽然、尽管”,但要用部分倒装结构,形式如下:1. 形容词+ as + 主语+ 系动词。
如:Tired as he is, he offers to help me.尽管他已经很累了,他还是主动提出帮助我。
2. 过去分词+ as + 主语+ 系动词。
如:Well-written as the book is, the author is not satisfied and prepared to revise it.尽管这本书写得很好,作者还是不满意并打算修改它。
3. 名词+ as + 主语+ 系动词。
(名词前的冠词和定冠词都去掉)如:Student as he is, he does not study hard.他虽然是个学生,却不努力学习。
4. 副词+ as + 主语+ 谓语部分。
如:Much as I admire his courage, I don’t think he acted wisely.我虽然崇拜他的勇气,但我认为他这样做是不明智的。
5. 动词原形+ as + 主语+ 谓语的另一部分(情态动词或助动词may, might, will, would等)。
如:Try as you will, you won’t be able to persuade him.不管你怎么努力,你都说服不了他。
【考例1】_____, I have never seen anyone who’s as capable as John. (上海2001)A. As long as I have traveledB. Now that I have traveled so muchC. Much as I have traveledD. As I have traveled so much【考例2】_____, Carolina couldn’t get the door open.(广东2005)A. Try as she might B. As she might tryC. She might as tryD. Might she as try。
(完整版)as引导的各种从句
as 引导的各种从句as 作为英语中一个非常活跃的词,其引导的从句在中学阶级较为多见,它们的种类应根据实际意义具体分析判定。
如下:一、as 充当连词,引导状语从句。
1. 引导时间状语从句,主句动作与从句动作同时发生,译为“当……的时候;一边……一边”。
如:As the students watched him quietly,he mixed the three together.当学生们静静地看着他的时候,他把这三种液体搅和在一起。
As the pupils walked along the lake,they sang happily.学生们沿着湖一边走,一边高兴地唱着。
2. 引导原因状语从句,从句所表达的原因是比较明显的,已为人们所知的。
如:As he did not know much English,he got out his dictionary and looked up the word “ cough ” .由于他英语懂得不多,就拿出字典来查“咳嗽”这个词。
As it was getting very late,we soon turned back.因为很晚了,我们很快就回来了。
3. 引导方式状语从句,此时as 可译为“如;像;按照”。
如:Remember,you must do everything as I do.记住,你们都要照我这样做。
When at Rome do as the Romans do.(谚语)入乡随俗。
I have changed it as you suggested.我已经按照你的建议把它改好了。
4. 引导让步状语从句,多用于书面语中,且须用部分倒装语序,即将从句的表语或状语等前置。
它比though 和although 引导的让步状语从句更有表现力,语气更强。
如:Poor as he was (=Though he was poor )he was honest.他虽然贫穷,但很诚实。
as方式状语从句
as方式状语从句“As方式状语从句”是一种独特的句子结构,它是由两部分组成:as引导的从句和主句。
它能够使句子表达出关联性、因果性、比较性等不同的关系,具有很强的表达力,并且在英语的口语和书面语中都十分常见。
一、as 方式状语从句的构成as 方式状语从句由两部分构成:as 引导的从句和主句。
其中,as 引导的从句是以 as 作为连词,将原来的从句变成状语从句,用于修饰主句中的行为动词或状态动词,表示关联性、因果性、比较性等不同的关系。
例如:He hurried away as soon as he could.他一有机会就匆忙走了。
As the train approached, I heard a loud noise.当火车驶近时,我听到了一声巨响。
此外,as 方式状语从句也可以用来表示在某一时间点发生的行为,此时要把 as 引导的从句中的行为动词改为时间状语。
例如:As I arrived home, I saw that the light was on.当我回到家时,我看到灯亮着。
二、as 方式状语从句的用法1. as 方式状语从句用来表示时间在 as 方式状语从句中,可以用来表示在某一时间点发生的行为,此时要把 as 引导的从句中的行为动词改为时间状语。
例如:As it began to get dark, we decided to go home.天黑下来时,我们决定回家。
2. as 方式状语从句用来表示原因as 方式状语从句也可以表示原因,此时从句中的动词要改为原因状语,引导词通常是 as/since/because 等。
例如:We didn't go out as it was raining heavily.因为下雨很大,我们没有出去。
3. as 方式状语从句用来表示条件as 方式状语从句还可以表示条件,此时从句中的动词要改为条件状语,引导词通常是 as/if/unless 等。
as 句型
as 句型(1) as引导方式状语从句句型:“按照……;正如……”例:As(it is)in your country we grow wheat in the north and rice in the south.正如(像) 你们国家一样,我们北方种植小麦,南方种植水稻。
(2) as+形容词/副词原级+(a /an)+名词+as ;否定式:not as/so --- as例:He is as good a player as his sister.他和他姐姐一样是位优秀的运动员。
(3) such + n. + as to do 如此……以致于……例:She is such a fool as to believe what he said.她是一个如此的一个笨蛋以致相信了他所说的话。
(4) so + adj./adv. + as to do sth 如此……以致于……例:He was so strong as to carry the heavy box.他是如此的强壮以致于能提起那重箱子。
(5) such...as... 象……之类的……(接名词或定语从句)例:He wished to be such a man as Lei Feng was.他希望成为一个像雷锋这样的人。
(6) the same +名词+as 和……一样的……(接名词或定语从句)例:He is not the same man as he used to be.他不是从前的那样子了。
(7) as 引导非限制性定语从句例:As is known to us knowledge is power.众所周知,知识就是力量。
(8)引导时间状语从句,与while意义相近例:We get wiser as we get older.随着我们长大,我们也变得越来越聪明。
(9) 引导原因状语从句,与because的用法相近例:As it was getting very late we soon turned back.因为越来越迟了,所以我们不久就回来了。
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精心整理
主句之后,通常用逗号将其与主句隔开?这时as可译为“正如”?“正像”?例如: Asisreportedinthenewspaper,talksbetweenthetwocountriesaremakingprogress.正如报纸上报道的那样,两国之间的会谈正取得进展?
HeisanEnglishman,asIknowfromhisaccent.从他的口音,我知道他是英国人? Aswasusualwithhim,hewentoutforawalkafterdinner.像往常那样,他吃完饭后就出去散步了? Asisoftenthecase,wehaveoverfulfilledtheproductionplanthisyear.像往常一样,我们今年又超额完成了生产计划?
Thismachine,asmightbeexpected,hasstoppedoperating.正如人们所料,这台机器已停止转动了? Hecameveryearlythismorning,as(was)usual.像往常一样,他今天早上来得很早?
常见的这种定语从句还有:ashasbeensaidbefore(如前所述);asismentionedabove(如上面提到的);asmaybeimagined(正如可想象的那样);asiswellknowntousall(众所周知);as(sb)allknow(众所周
精心整理
精心整理
知);asoftenhappens(正如经常发生的那样);ashasalreadybeenpointedout(正如已经指出的那样);asweallcansee(正像我们都能看到的那样)等?
精心整理。