Trained adverbs are provided in this article. The words listed here are commonly found along with the verb trained in sentences. This reference page helps answer the question what are some adverbs that describe or modify the verb TRAINED.
academically, actually, adequately, admirably, appropriately, badly, carefully, classically, completely, constantly, differently, diligently, directly
duly, early, easily, effectively, efficiently, equally, especially, exclusively, expertly, extensively, formally, frequently, fully
generally, gradually, highly, imperfectly, inadequately, initially, insufficiently, largely, legally, medically, mostly, newly, originally
partially, perfectly, personally, poorly, previously, primarily, probably, professionally, properly, quickly, rarely, really, recently
regularly, religiously, rightly, rigorously, scientifically, sedulously, separately, severely, similarly, solely, specially, specifically, successfully
sufficiently, suitably, superbly, systematically, technically, thoroughly, traditionally, typically, usually, wisely
Hope this word list had the trained adverb you were looking for. In addition to adverbs used with trained, other example verb adverb pairings can be found on this site.
You can help by adding more adverbs in the comments. Thanks.