Prepositions show relationships between words and indicate location, direction, or time. Common prepositions include about, above, across, after, below, along, alongside, among, before, beneath, against, at, around, behind, beside(s), between, beyond, by, down, during, for, from, in, inside, into, like, near, of, off, on, outside, over, past, since, through, to, toward, under, until, up, upon, with, within, without. The document provides examples of prepositions and asks the reader to write down as many as they can remember in 45 seconds to test their knowledge.