词组so …… as 与as……as有什么区别?

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词组so …… as 与as……as有什么区别?
词组so …… as 与as……as有什么区别?

词组so …… as 与as……as有什么区别?
词组so …… as 与as……as有什么区别?
回答:
1)as ...as 表示“相等”之意;用于同级比较时,既可用于肯定中也可用于否定句中,如:
Mike is AS tall AS I.麦克和我一般高.
Mike is not AS tall As I.麦克没有我高.
2)so … as 只能用于否定句中,也就是说,通常是以 NOT so...as 出现的;如:
The Atlantic Ocean is NOT AS big AS the Pacific Ocean.大西洋没有太平洋大.
3)在否定句中既可以用 not as ...as...也可以用 not so...as,而在肯定句中只能用 as...as;
如:
The Atlantic Ocean is NOT AS big AS the Pacific Ocean.大西洋没有太平洋大.
The Atlantic Ocean is NOT So big AS the Pacific Ocean.大西洋没有太平洋大.
You know AS well As I do.你和我一样明白.
注意:as 后面的形容词如作定语,而被定语修饰的名词有不定冠词 a 时,不定冠词 a 须放在形容词之后,
如:German is as difficult A language as English.德语和英语一样难学.
这样的词序也适合于so...as;
如:I have never seen so beautiful A place as Guilin before.我过去从未过像桂林这样美德地方.

so....as 可用于否定中The tree is not so/as green as that one.这棵树不如那颗树绿
as.....as只可以用于肯定句 The tree is as green as that one.这个树和那棵一样绿