英文 As 用法，As 的正确用法！看例句一次搞懂
As 用法 ，在英文里怎么用？”As”常常在英文的句子之中出现，但是它有好几种不同的意义以及用法，以致于看到它出现的时候，常常会感到困惑，不知道它是代表什么意思？为了一次解决这个困扰，Let’s talk的Rachna老师整理出了”As”的几种用法，并列举例句说明，帮助大家了解。
如果你也不敢确定自己是不是百分之百了解”As”的所有用法，就来看看这篇文章吧！
内容目录
英文 As 用法与中文意思
1.As 当…时(两件事同时发生)
As 的一个用法是当成 “While” 或是 “at the same time”，也就是「当….（两件事同时发生）」的意思。
例： I watched her as she opened the door. 当她打开门时我看着她。
例： Turn off the lights as you go out. 你出去的时候把灯关上。
例：John arrived just as I left. 我离开的时候John正好抵达。
例：I had to leave just as the conversation was getting interesting. 就在话题变得有趣的时候，我必须离开了。
例： As I was walking down the street, I saw Jenny. 当我走在街上时，我看到了珍妮。
2.As 因为…
As 也可以当成「因为」的意思，此时用法类似于“because”，可以放在句首，后面接完整的独立子句。
例： As I was feeling tired, I went to bed early. 因为我觉得很累，早早就上床睡觉了。
例：As they live near us, we see them quite often. 因为他们住在附近，所以我们很常见到他们。
例： As it was raining, we stayed at home. 因为正在下雨，我们决定留在家
3.As 身为…/作为…
例： A few years ago I worked as a teacher. 几年前我的职业是一名老师。
例： We use the garage as a workshop. 我们把仓库当作工作室使用。
例： Don’t use the knife as a screwdriver. 别把小刀当作螺丝起子用。
4.As if 仿佛、像是…
例：Kelly sounds as if she is got a cold. Kelly的声音听起来像是她感冒了。
例：The house looked as if nobody lived in it. 这房子看起来像是没有人住在里面。
例：He ran as if he were running for his life. 他跑得仿佛是在为自己的生命而奔驰。
5.As + 形容词 + as + （比较的对象）
As 还可以用来表达某人或某样东西，就跟什么一样的意思。此时句子结构通常如下。
As + 形容词 + As ＋ （主词+动词）/名词
例： She’s as clever as her sister is. 她跟她姐一样聪明。
例： Taiwan’s not as big as Japan. 中国台湾不像日本那样大。
例： He loves spicy food as much as I do. 他跟我一样喜欢吃辣。
例： Jenny travels as much as me. 珍妮跟我一样爱旅行。
6.As 如同、像….
As 也可以用来表示「如同，像…」的意思，也就是 “in the same way”的意思，此时 as 当作连接词，后面需要接子句（主词 + 动词）。
例： Jenny loves spicy food, as I do. 珍妮喜欢辛辣的食物，就像我一样。
例： Do in Rome as the Romans do. 入境随俗。
关于 As 的各种用法，Rachna 在上面的影片也有完整讲解。
上面就是 As 单独使用时的所有用法整理，另外 As 相关的片语也非常多，例如 as soon as、as well as 、as far as、as long as…等等。这些用法整理如下。
7.as lons as 只要
as long as 大致上有三种用法，最常见的用法是表达「只要…」的意思，另一个用法是指「根本就会长达…」的意思。
例： You can e as long as you are quiet. 只要你保持安静，你就可以来。
例： The meeting could be as long as three hours. 这个会议根本就会长达三小时。
关于 As long as 完整用法教学，请参考下面文章的完整解说。
8.As soon as 一…就
as soon as 的中文意思是指「一…就…」，另外常见的 as soon as possible 意思是指「尽快」的意思。
例： He left as soon as he saw her. 他一看见她就离开了。
例： Please reply as soon as possible. 请尽快回信。
9.as far as I know 就我所知
as far as I know 意思是指「就我所知」的意思，as far as I know 这句话出现频率很高，一定要知道。
例： As far as I know, She has gone to town. 据我所知，她已经去了城镇。
例： As far as I know, Jenny will be away for three months. 据我所知，珍妮将离开三个月。
10.As well as 连同
你也许知道”as well as”这个片语，但你会正确地使用它吗？很多人把它误以为”and”的同义词，但其实它表达的是”not only(不但) … but also(而且)”，在已知的事实外，添加更多资讯的意思。
例： John, as well as Mary, wants to leave early. 约翰跟玛莉都想早点离开。
例： He hurt his arm as well as breaking his leg. 他伤了胳膊，也伤了腿。
As well as 的用法跟 As soon as 、as far as…等相比，又稍微更复杂一些。As well as 完整用法可以参考下面文章。
上面就是 As 的所有用法教学啦！As 在英文里面用法非常多变，所以一定要搞清楚它的各种用法唷。
如果你想完整了解 「as ~ as」句型的用法，也可以参考下面文章。
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总结
As 常见有六种用法。
1.As 当…时(两件事同时发生) 2.As 因为… 3.As 身为…/作为… 4.As if 仿佛、像是… 5.As + 形容词 + as + （比较的对象） 6.As 如同、像….
跟 As 常常一起连用片语，则有以下用法。
as lons as 只要 As soon as 一…就 as far as I know 就我所知 As well as 连同
as, as 中文, as 怎么用, as 意思, as 用法, as 翻译, as 英文用法, 文法 as, 英文文法 as
