题目

be worth doing sth里的doing sth 是现在分词么那是做什么成分

提问时间：2020-11-08

答案

不是,worth是介系词,后面的doing是动名词,不是现在分词,是作介系词worth的宾语,而且worth后作其宾语的动名词,是用主动形式表示被动意义,这和形容词worthy和worthwhile是不一样的.如：
This book is worth reading.
This book is worthy of being read.
It is worthwhile to read the book.
Reading the book is worthwhile.
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