worth doing 这个doing是现在分词还是动名词啊?

worth doing 这个doing是现在分词还是动名词啊? 关于worth,有be worth to doing这个句型? 帮我看看这个英语句子,Whatever is worth doing is worth doing well. a disappointing man If a thing is worth doing it is worth doing well 这个呢 be worth doing It's worth while 后面是to do 还是doing这个语法我忘了, worth doing worth to do的区别 What is worth doing is worth well. Whatever is worth doing is worth doing well.怎么翻译? Whatever is worth doing is worth doing well. a job worth doing at all is worth doing 谢 any job worth doing is worth doing drunk be not worth doing翻译 be worth doing sth里的doing sth 是现在分词么那是做什么成分 worth后面词在整个句子中作什么成分?有个问题困扰我很久了一个常见的搭配：be worth doing在这里面,be是系动词,worth是表语,doing是worth的宾语但是有一个问题,这个doing在整个句子中的成分又是什 某事值得做是worth doing 还是worth to do啊?给个例句好伐? If a thing is worth doing it isworth doing well be worth doing sth .doing前面加in么?