高中英语语法as as 结构
as as 结构在英语中用法较多,学生在平时的学习中会频繁地接触到此种结构。有部分学生认为 as as 结构中只能出现形容词或副词并且认为此结构只能用于原级比较,这种认识是单一的。实际上 as as 结构经过不同变化可以构成不同的短语和句式,这些短语和句式被灵活地运用于课文和练习中。如果学生对此结构的用法了解不多,就会在平时的学习中遇到障碍。为了帮助学生清除障碍,笔者就 as as 结构的几种用法介绍如下:
as + 形容词或副词原级 + as 意为和一样,表示同级的比较,但要注意第一个 as 为副词,第二个 as 为连词。根据比较对象和性质的不同又可以把此种结构分为三种:
(一) as as 结构用于表示不同人或物同一性质的比较,意为和一样 。例如:
The tree is as tall as the building(is) .
这棵树和那栋楼一样高。
注意此结构也常用于形象比喻中: as cool as cucumber 沉着的, as stubborn as a mule 非常顽强的,倔强的, as clear as crystal 非常透明的, as poor as a church mouse 非常贫困的, as busy as a bee 像蜜蜂一样忙碌, as easy as ABC 像 ABC 一样容易, as deep as a well 像井一样深, as light as a feather 像羽毛一样轻, as soft as butter 像黄油一样软。这些短语生动活泼,浅显易懂,记住这些短语可以提高学生的英语写作和口语能力。
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2016-02-29
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