对as一些特殊用法的研究

A Study for Some Special Usages of the Word "as

as是英语中使用率很高的一个词 ,而且其用法很复杂。本文主要对 as的一些疑难用法进行了研究 ,重点论述了 as作关系代词表示主句所表达的整个概念 ;as作连词引导让步状语从句 ;as表达类比 ;及 as构成 as much as,notas much as四方面的疑难用法。

as' is one of the most widely used word in English and its usage is very complex.In this essay,some of its usages which are easy to cause difficulties are deeply discussed. They are the following:'as' is used as a related pronoun and refers to the whole concept:'as' is used in a adverbial clause with the meaning of 'though' or 'although';'as' is used in analogy and 'as' is used in the phrase 'as much as','not as much as'.