考研提分宝典：深度解析“as”的八大高频用法，助你直击语法考点，轻松上岸！
在考研英语的备考长征中，“as” 作为一个看似简单却变化多端的“小词王”，常常让无数考生感到困惑。它在不同语境下能表达出令人眼花缭乱的含义，成为考研语法中的一大拦路虎。
然而，一旦你掌握了 “as” 的核心用法，不仅能精准吃透阅读理解中的深层含义，更能在写作中巧妙运用，让你的表达更地道、更高级，助力你的考研分数实现质的飞跃！
本文将为你带来一份考研专属的“as”用法宝典，深度剖析 “as” 在考研英语中常考的八大高频用法，并结合经典例句进行详尽解析，旨在帮助你彻底攻克这个语法难点，告别模糊，迎接清晰！
特别要指出的是，本文引用了全网流行的经典例句，匡正了部分蹩脚或错误的译法。
还是那句话，没有最好，只有更好，欢迎批评指正！
一、as...as 的三种核心用法：考研必考，辨析是关键！
as...as 结构是考研英语中非常基础但也极易混淆的考点，它主要有以下三种用法，需要你仔细辨析：
1. 比较两个不同主体的相同性质
此句式用于比较两个人或物在某个特定性质上的相似程度，表达“和……一样……”的含义。
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- 例句: He is as kind as his sister.
- 他跟妹妹一样和善。
- 例句: He is as kind as his sister.
2. 描述同一个主体的不同性质
此句式用来指同一个人或事物具备两种或多种性质，且这些性质的程度是相当的，表达“既……又……”的含义。
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- 例句: He is as kind as honest.
- 他既诚实又和善。
- 例句: He is as kind as honest.
3. 比较两个不同主体的不同性质
这种句式表示两个不同主体各自拥有不同的性质。其中，第一个 as作为之时副词，修饰其后的形容词或副词；而第二个as则作为连词，引出从句。因此，第一个as 后面通常接形容词或副词，而第二个as后面接从句。
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- 例句: He is as kind as his sister is honest.
- 他妹妹诚实，而他和善。
- 例句: He is as kind as his sister is honest.
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二、as...as any/as...as ever：表达极致的最高级！
这两个结构是强调某人或某事达到了某个领域内的最高水平，与“有史以来任何一个”或“无人能及”的程度相当，具有强烈的最高级意味。
- 例句: He is as great a statesman as any = He is as great a statesman as ever lived.
- 他是无与伦比的政治家。
- 他是史上最伟大的政治家。
三、as...as...can be：强调程度的“再没有比这更……”
这个句式用来表示某事达到了某种性质的极致，强调“再没有比这更……的了”，带有强烈的肯定语气。
- 例句: It is as plain as plain can be.
- 那是再明白不过了。
四、as..., so...：巧妙的类比与因果揭示
此结构通常用于引导类比关系，表达“正如……，所以……”或“就像……，也……”的含义。其中 so 相当于 in the same proportion, in like manner, 或 in the same way（亦复如此）。为了加强语气，有时可以在 as 前面加上 just 一词。
- 例句: As rust eats iron, so care eats the heart.
忧能伤人，犹如锈之蚀铁。- 此内容查看价格为1元(CNY)Buy now
- 例句: As fire tries gold, so does adversity try courage.
正如火能试金，逆境可以试人的勇气。- 此内容查看价格为1元(CNY)Buy now
- 例句: As the human body is nourished by the food, so is a nation nourished by its industries.
正像身体要靠食物营养一样，国家要靠工业营养。- 此内容查看价格为1元(CNY)Buy now
五、It is in (or with)...as in (or with)...：洞察异中之同
这个结构用于指出两种看似不同事物之间存在的相似之处或相同规律，强调“在……方面和在……方面一样”。
- 例句: It is in life as in a journey.
人生好比旅途。- 人生如旅。
- 例句: It is in studying as in eating; he who does it gets the benefits, and not he who sees it done.
读书和吃饭一样，得到利益的是那些实际在吃的人，而不是旁观的人。- 此内容查看价格为1元(CNY)Buy now
- 例句: It is in mind as in body which must be nourished by good food.
精神和身体都必须有好的食物来营养。- 此内容查看价格为1元(CNY)Buy now
六、as good as/as well as：考研高频辨析，细节决定成败！
这两个短语虽然形似，含义却有天壤之别，是考研中常考的陷阱，需要你精准把握。
as good as的含义- 几乎 无异 事实上 实际上 差不多 简直是
- 例句: It is as good as done.
这就和做好了一样。- 胜券在握。
- 例句: He was as good as his word.
他不爽约。- 言出必行。
- 言而有信。
- 例句: He is as good as dead already.
- 宛如死人；行尸走肉；名存实亡。
- 例句: It is as good as done.
- 几乎 无异 事实上 实际上 差不多 简直是
as well as的含义- 等于 不下于 亦 一样好
- 例句: I have understanding as well as you.
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- 例句: I have understanding as well as you.
- 和……一样；两者皆
- 例句: Work in moderation is healthy as well as agreeable to the human constitution.
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- 例句: Work in moderation is healthy as well as agreeable to the human constitution.
- 与
not only...but also有连带关系- 例句: He has experience as well as knowledge. = He has not only knowledge but also experience.
- 他既有知识，又有经验。
- 例句: He has experience as well as knowledge. = He has not only knowledge but also experience.
- 可以代替
better than- 例句: As well be hanged for a sheep as for a lamb.
- 相当于：As well (= better) be hanged for a sheep as ( = than) for a lamb.
窃钩如窃国，与其盗小羊。此内容查看价格为1元(CNY)Buy now
- 等于 不下于 亦 一样好
七、As it is：揭示实际情况的“然而”与“事实上”
As it is 作为一个固定短语，其含义相当于 as it stands, to state the matter as it really stands, as a matter of fact, in reality 等，用来指当前或实际的情况。它通常用于指代单数事物，如果指复数，则用 As they are。指人时，则相应使用 as I am/you are /she/he is/we are/they are。其过去式为 as it was。它的位置非常灵活，可以放在句首、句末或句中。
- 用于句首，注意前后时态保持一致
- 例句: As it is, we can not help him.
- 就目前情况来看，我们帮不了他。
- 就目前来看，我们爱莫能助。
- 例句: As it is, we can not help him.
在某些语境下，表示“本来就（是这样）”，强调事实的既定性。
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- 例句：As it is, he’s not good at this.
- 他本来就不擅长这个。
- 例句: As it was, we could not help him.
- 就当时的情况来看，我们无法帮助他。
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- 用于句末
- 例句: Let’s keep it as it is.
- 保持原样吧！
- 例句: You mustn’t go to the ball as you are.
你不能这样去参加舞会。- 你这样子可不能去参加舞会。
有时，
it可以省略为as is，意即：照现在的样子，常指“不再修理或改进”等情况。- 例句: He has an old radio as is.
- 他有一台没有修理过的旧收音机。
- 例句: I’ll sell it to you as is, but don’t complain if it doesn’t work.
我会把它照原样卖给你，如果不能用别抱怨。- 此内容查看价格为1元(CNY)Buy now
- 例句: Let’s keep it as it is.
- 用于句中，用逗号将其与前后隔开A. 虚拟语气句式
+but+as it is/was：表示“其实；事实上”- 例句: I thought things would get better, but as it is, they are getting worse and worse.
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- 例句: The rice could have been got in yesterday if the weather had been fine, but as it was, it had to be left in the fields.
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B. 过去分词
+as it is：表示强调前面的过去分词- 例句: Written as it is in an interesting way, this book is enjoyable to young and old alike.
- 这本书写得很有趣，老少皆宜。
- 这本书写得妙趣横生，老少皆宜。
- 例句: Published as it was at such a time, his work attracted much attention.
他的作品由于在那样一个时期出版，引起了广泛关注。- 此内容查看价格为1元(CNY)Buy now
C. 现在分词
+as it does(did)：意为“因为这样，（实际）所以……”- 例句: Living as he does in Shanghai, he knows the place extremely well.
- 正因为他住在上海，所以他对那里非常了解。
- 例句: Reading as he did many times, he could recite it fluently.
正因为他读了很多遍，所以他能流利地背诵。- 他熟读多遍，早已倒背如流。
- 例句: I thought things would get better, but as it is, they are getting worse and worse.
八、几个类似as it is的结构：精准区分，避免混淆！
了解这些与 as it is 形似但义异的结构，有助于你更精准地理解和运用，避免在考场上掉入陷阱。
as it stands：就目前情况来看- 例句: As it stands, the spring wind still carries the chill of winter.
- 就目前情况来看，春风依然带着冬日的料峭。
- 例句: As it stands, the spring wind still carries the chill of winter.
such as it is：只是 仅有 不过 劣质 无价值 不怎么样 质量不过如此- 例句: The room, such as it is, is very bright.
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- 例句: The room, such as it is, is very bright.
as it were：好比 可以说 可谓 简直是- 其含义为
as if it were so，属于虚拟语气，常作插入语使用，不可与as it is混淆。它强调的是一种比喻性的说法，而非字面上的真实情况。 - 例句: He is, as it were, a living dictionary.
- 他好比一本活字典。
- 他简直是本活字典。
- 例句: He is, as it were, the soul of the party.
- 他可以说是派对的灵魂人物。
- 其含义为
考研提分总结：活学活用“as”，语法无忧！
“as” 的用法博大精深，但只要你掌握了上述八大核心考点，并结合例句反复揣摩其语境和含义，就能大幅提升你对考研英语的驾驭能力。
提分小贴士：
- 多维度理解： 不仅要记住每种用法的字面意思，更要理解其背后的语境和语气。
- 造句练习： 尝试用每种用法造出自己的句子，加深理解和记忆。
- 真题实战： 在做历年真题时，特别留意含 “as” 的句子，分析其用法和考点。
- 归纳总结： 建立自己的 “as” 用法思维导图或卡片，定期复习。
希望这份详尽的 “as” 用法解析能成为你考研路上的得力助手，助你披荆斩棘，最终金榜题名！