be worth doing在句中做什么成分？

be worth doing在句中做什么成分？

be worth doing在句中做谓语成份
例句：
I suppose there's a further question we have to ask, are
there things that would be worth doing precisely? because of the fact
that they introduced the risk of death?
我假设我们还有一个更深层的问题要去回答，有没有事情是值得去做的正是因为，它们会带来死亡的风险？

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. 希望我能帮助你解疑释惑。