The phrase "a form of combat" is correct and usable in written English.
It can be used to describe a specific type or method of fighting or conflict, whether in a literal or metaphorical sense.
Example: "In the debate, each speaker employed a form of combat that showcased their rhetorical skills."
Alternatives: "a type of fighting" or "a method of conflict".
Fiction, however, is not a form of combat.
He considered English a form of combat, a process of "discarding grammar, throwing syntax out, subverting images from within, beating the drum and cymbals of rhythm, developing torture chambers of irony and sarcasm, gas ovens of limitless black resonance".
I'd bet that at least one of those aged nuggets of wisdom was served up in the backrooms of Westminster this week, as the two big parties engaged in a form of combat likely to dominate from now until the general election of 2015.
Lower pathology rates in Centrosaurus may indicate visual rather than physical use of cranial ornamentation in this genus, or a form of combat focused on the body rather than the head.
The footwork is about as good as you can expect for any form of combat executed almost literally on knife edges on a slippery surface.
Here then is an end to ten years of doubt about the United States' involvement in any form of combat that might lead to the shedding of American blood.
That message felt apt for a match that quickly descended into a form of unarmed combat.
Workplace novels present white-collar jobs as a form of gladiatorial combat, because to most people that's how it feels.
Instead, we have an executive branch in a leak-hunting frenzy, a Congress that treats oversight as a form of partisan combat, a political climate that has made "regulation" an expletive and a public that feels a generalized, impotent uneasiness.
Her seemingly clueless young assistant is quickly embroiled in a series of cat-and-mouse games — a form of theatrical combat in which the director, Pam MacKinnon ("Who's Afraid of Virginia Woolf?"), has become an expert.
Also during the 15th century the weight of personal armour increased, partly because of the importance of shock tactics in European warfare and partly because of the demands of jousting, a form of mock combat in which two armoured knights, separated by a low fence or barrier, rode at each other head-on and attempted to unseat each other with blunted lances.
