I don't know what you mean by 'the preposition "up" changes common verbs to perfective verbs ', but I doubt it. Anyway, those are not prepositions; they are adverbs.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
AnonymousIs there any general rule for prepositions after verbs?You are referring, of course, to those adverbial particles that create phrasal verbs. No. There is no general rule. The most common are in, out, on, off, up, down, away, and back. Some of these have more than one core meaning. For example up can suggest wakefulness:
AnonymousDo I have to learn every combinationYes. I'm afraid so. After you learn quite a number of them, they will begin to form patterns in your mind, and it will become easier. It is most difficult at first, but it gets easier as you learn more.sof verbs and adverbial particles?