as是连词时是什么意思(as作动词)
AS是连词时是什么意思(AS作动词)
在英语中,AS不仅可以作为介词、副词、名词、形容词和简化从句的引导词,还可以作连词(conjunction)的意思是“当作,当做”。作为连词时,AS的用法稍微有些特殊,接下来我们一起来了解一下。
AS作为连词的用法
AS作为连词的用法主要有以下几种:
1. AS...AS...
这种用法表示同等程度、数量、质量等的比较关系,意为“和...一样”,例如:
He runs as fast as a cheetah.(他跑得和猎豹一样快。)
She eats as much as her brother.(她吃得和她哥哥一样多。)
2. AS SOON AS
作为固定短语,AS SOON AS的意思是“一...就...”,表示两件事同时或几乎同时发生,例如:
As soon as the sun rose, we started our journey.(太阳升起的时候,我们就开始了旅行。)
He called me as soon as he arrived.(他一到就给我打电话了。)
3. AS IF/AS THOUGH
AS IF/AS THOUGH的意思是“似乎,好像”,用来表示一种假象或假装的行为,例如:
She talks as if she knows everything.(她说话的样子好像什么都知道。)
He acts as though he doesn't care.(他的行为的样子好像不在乎。)
4. SUCH AS
SUCH AS的意思是“例如”,用来列举具体的事物,例如:
She likes fruits, such as apples, bananas and oranges.(她喜欢水果,例如苹果、香蕉和桔子。)
Computers can be used for many purposes, such as writing, designing and communicating.(电脑可以用于很多用途,例如写作、设计和交流。)
AS作为动词的其他用法
除了作为连词的用法,AS还有其他的用法,比如作为动词,常见的用法有:
1. ASKED
ASK作为动词的过去式和过去分词形式,意思是“问”,例如:
He asked me where I was going.(他问我去哪里。)
I have been asked to attend the meeting.(我被邀请参加会议。)
2. ASK AFTER
ASK AFTER的意思是“问候/问某人的健康状况”,例如:
He asked after my mother.(他问候了我妈妈。)
I forgot to ask after your sister.(我忘记问你姐姐的健康状况了。)
3. ASK AROUND
ASK AROUND的意思是“四处打听”,例如:
He is asking around to find a job.(他正在四处打听工作。)
We asked around but nobody knew the answer.(我们打听了一下,但没有人知道答案。)
最后的总结
AS作为连词时,有着自己的特殊用法。主要有四种:AS...AS...、AS SOON AS、AS IF/AS THOUGH以及SUCH AS,它们分别表示同等、同时、似乎和例如的意思。当然除此之外,AS还有其他的常见用法,例如作为动词的过去式/分词ASKED、ASK AFTER和ASK AROUND等。掌握AS的用法,可以帮助我们更好地理解和学习英语。