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关于for+doing的疑问

来源:www.grq6.com 2025-01-09

今天在网上看到一篇文章,其中一部分内容(加粗部分)不甚知道:

 动词-ing形式作定语

1. 单个的动词-ing形式可以作前置定语,一般具备两种含义。

 ①说明被修饰名词的作用和性能。

a reading room= a room which is used for reading 阅览室

running shoes=shoes for running 跑鞋

a workingmethod =a method for working 工作办法

……

请问for reading、for running和for working,为何用for加动名词形式,而不是to加动词形式?

动名词作定语表示所修饰的名词的性能/作用与功效/属性等,它们之间没逻辑上的主谓关系,所以转换到介词短语的时候可以考虑到这一点。而不定式作后置定语一般和主体词有主谓/动宾/动状/同位四种关系,你可以比较哪种关系可以和动名词切换呢。即便有也类似你给的第一个例子: sth to be used for sth,虽然看着OK,也会致使2个现象:1): 既然后面还有for sth干么不直接用for sth. 2):不定式就是结构上可以变换,但表达的意思总是就是一次性的或将来的一个定义,最起码它要受限于主句谓语时态影响;和名词性一般性表达多数时候不可以对应的。

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