duke :http://www.manhattangmat.com/forums/sc-t6533.html
someone/something is capable OF something (noun) She is capable of running swiftly. (这里的running作名词用)
someone/something has the capability TO do (verb) something She has the capability to run swiftly.
not as common: someone/something has the capability of someone or something else (noun) She has the capability of a gazelle. * "capability of ____ing" and "capability in ____ing" are unidiomatic,
回大叔: http://www.beatthegmat.com/doubt-regarding-an-official-og-que-t65356.html "capable to VERB" and "ability of VERBing" -- are incorrect.