such as to和so as to在释义上、词性上、用法上有所不同。
一、释义不同
1、such as to有“这样，这种,如此（地步）”的意思。
2、as to是以至于，按着。连起来有点这个意味：这样以至于...。常用于表示强调，夸张的语气中。
二、词性不同
1、such as to的这个词组里,such是做代词
2、so as to 里面，so不能做代词成分。
三、用法不同
1、so as to 用在肯定句中。
2、such as to 用在否定句中。
such as to在这里是代词，有“这样，这种,如此（地步）”的意思，as to:以至于，按着。连起来有点这个意味：这样以至于...。常用于表示强调，夸张的语气中。
例句：This book is such as to interest me a lot.这本书是这样的,以至于引起了我的兴趣。（注意这句话读的时候要这样读,This book is such先停顿一下,再连下去读as to interest me a lot.）
so as...
so as to 和 such as to 的意思一样，
只是so as to 用在肯定句中，
而such as to 用在否定句中，such that 的意思是“如此，，以至于”
And he said the nature of land in New Mexico was such that slaves could not be used.这是一个例句。
such as to的这个词组里,such是做代词,而so as to 里面,so不能做代词成分.
比如This book is such as to interest me a lot.这本书是这样的,以至于引起了我的兴趣.注意这句话读的时候要这样读,This book is such先停顿一下,再连下去读as to interest me a lot.
so as to举例,I get up early so as to arrive ...
so as to = in order to一样，“以便，为的是.....”，后面跟目的状语；
例如：please check the list carefully so as to avoid mistakes.
so +形容词/副词+as to，“如此...以至于...”，后面跟的是结果状语
例如：i get up early so as to arrive at school on time.
标签：such
