考研英语中常用的介词和副词包括：
1. 介词：in, on, at, with, of, for, to, from, by, about, among, between, during, after, before, since, until, through, throughout, across, along, around, upon, within, without等。
2. 副词：here, there, up, down, out, in, out, off, on, over, under, above, below, before, after, again, back, forth, here, there, now, then, soon, later, always, never, often, sometimes, usually, rarely, quickly, slowly, fast, slowly等。
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