用于“as……as……”的否定句的句式是什么？

not   as ……as……

不如……

as…as 是什么和什么一样，两者程度一样。

not as…as 或也可以写成 not so as， 是什么不如什么的意思，即前一个程度不如后一个深。

用as……as……造句:

Ifelt as calm as ever.我觉得和以往一样平静……

To act as coxswain or serve as coxswain for.做舵手或为……做艇长.

As american as apple pie.就像苹果排一样具有美国特色.

Tom is as honest as john.汤姆和约翰一样诚实.

We have great salad as as iced tea and.我们还有不错的沙拉,并且还有冰茶和冰淇淋.

用not as…as造句：

He does not work as hard as you.他不象你工作努力.

James is not nearly as tall as robert.詹姆斯根本没有罗伯特高.

Things did not proceed as smoothly as planned.事情进展得没有计划的那样顺利.

Mary does not work as carefully as john does.玛丽工作不如约翰细心.

参考资料

张丹阳、张弛.《英语九百句》.北京：北京航空航天大学出版社，2010