Happened adverbs are provided in this article. The words listed here are commonly found along with the verb happened in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb HAPPENED.
accidentally, accordingly, actually, apparently, certainly, clearly, commonly, constantly, daily, definitely, differently, directly
early, easily, especially, eventually, evidently, exactly, fairly, finally, formerly, fortunately, frequently, generally
gradually, historically, immediately, inevitably, infrequently, invariably, lately, likely, luckily, merely, mostly, naturally
nearly, necessarily, obviously, occasionally, possibly, precisely, previously, probably, quickly, rarely, really, recently
regularly, repeatedly, shortly, simply, simultaneously, slowly, spontaneously, subsequently, suddenly, supposedly, surely, truly
ultimately, unexpectedly, unfortunately, unfrequently, unluckily, usually
Hope this word list had the happened adverb you were looking for. In addition to adverbs used with happened, other example verb adverb pairings can be found on this site.
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