Here's a list of common fixed expressions and idioms in Spanish with "por" or "para" with their equivalent in English. This is a short list of expressions used in a daily basis by Spanish speakers.
* a few of these expressions sometimes might take a different preposition other than por or para (i.e.: gracias a, a consecuencia de)
* a few of these expressions sometimes might take a different preposition other than por or para (i.e.: gracias a, a consecuencia de)