be capable of of后面是doing，还是do

be capable of of后面是doing
of是介词，介词后面的动词形式都是动名词
例如：
These kind of breakthroughs are now revolutionizing what scientists now know of these distant planets, and could in upcoming decades be capable of finding signs of life.
此类突破进展如今正在革新科学家对这些遥远行星的认识，在接下来的几十年内可能将能够发现生命迹象。

be capable of doing sth.
of是介词，后面跟宾语，所以动词do要用动名词形式doing。

doing

be capable of+doing
be capable of能够承担 网络有能力；有能力干；有能力做

例句：
1.The properties this matter would have to have would be negative mass, and yetstill be capable of exerting a positive surface pressure.
这个物质特性不得不具有负质量，可是仍然能够施加一个正面压力。

2.To do this, the robot will also have to be capable of identifying those defectiveparts.
要做到这点，机器人还必须具有鉴别有缺陷零件的能力。

3.Early in testing, these are easy to design and the program might not becapable of running more complex test cases.
测试初期，它们易于设计，而且程序也不能运行更复杂的测试用例