最近在找文法问题时连结到了知识家某人的回答，原网址如下:
https://tw.answers.yahoo.com/question/index?qid=20140813000010KK09393
仅节录我要问的问题重点如下:
(2) 既然句子与句子一定要有连接词，那我把其中附属的那一句(比较属于补充资讯的那
一句) 的结构破坏掉，变成不是句子，不就OK了？ (切入点：没有动词就不是句子了，那
我们就把动词改成分词，主动用Ving, 被动用pp)
I have two brothers, both of them are doctors. (x)
I have two brothers, both of them (being) doctors. (o) being因为不影响句意所以
通常省略
你问的one of them vs one of which，道理完全一样
ex. The country has many mountains, one of them attracts many visitors. (x)
The country has many mountains, and one of them attracts many visitors. (o)
The country has many mountains, one of which attracts many visitors. (o)
The country has many mountains, one of them attracting many visitors. (o)
(Ving如果是"现在分词" 在英文里是相当于形容词喔)
2014-08-13 23:05:30 补充：
比较有挑战的例子:
Many people died in the earthquake, some of them buried alive. (o)
=Many people died in the earthquake, and some of them were buried alive. (o)
=Many people died in the earthquake, some of whom were buried alive. (o)
我的问题在于过去没有看过这个非限定关系子句里可以把动词省略掉的用法
请问这个用法是正确的吗?
如果是的话这个文法观念叫什么? 我要用什么关键字搜寻可以找到相关的资料?
谢谢!