A list of common prepositions for you to search in order to find prepositional phrases:

Aboard, about, above, across, after, against, along, among, around, at, before, behind, below, beneath, beside, between, beyond, by, down, during, except, for, from, in, into, like, of, off, on, over, past, since, through, to, towards, until, up, upon, with, within, without.