Prepositions are usually associated with location or with direction and verbs of motion.
In Polish most preposition are used in the same way as with English. However, there are some important differences, for example with reference to sky and sea. In English we say ‘the sun in the sky’, in Polish it’s the ‘sun is on the sky’. Simlarly in English we say the ‘ship is in the ocean.’ In Polish it is ‘the ship is on the ocean.’
Again its drilling that will let you get used to when to use these.
Further prepositions indicate the case. For example:
The genetive case is used with the following.