Best way to form the future tense? [będę + inf] OR [będę + past.3rd.sin] - Polish language questions

Hey guys,

I'm learning my future tense at the moment, and I've read that you can use either:


or


Apparently both are equally grammatically correct, and given the choice I'm tempted to learn the infinitive version because it's easier BUT...

- Which version is more commonly used in everyday, modern communication?
- Is one better suited to written or spoken communication?

NB: I now know that zjem is better in the above example, but I think I might have just chosen a bad example verb. I'm still interested in the exact questions above when applied to verbs in general.

Będę jeść is far more common. Będę jadł sounds more or less humorous.

No, 'zjem' is a completely different grammatical form than 'będę jadł'. Search this forum for "aspect" - perfective aspect (zjem) vs. imperfective aspect (bedę jadł). There are several threads about it, which should be helpful.

You may learn whichever is easier for you. Both are equally preferable in standard Polish. There are studies that show that one form prevails over the other in one region or another. As a native speaker of Polish who has lived in Poland all his life I use them both interchangeably without never ever thinking which form I have to use (as a matter of truth, I only realised that there exist the two of them only recently, by reading the posts of foreign people on the PF; I must have somehow missed the problem in school or it was my teachers who didn't draw much attention to their pupils on that, this phenomenon being so common that it wasn't even worth mentioning it too explicitly)

Oh? That's news for me. I have never heard about it and Polish is my native language.

Both forms are correct. Run a little google test:
będę jadł => 84,800
będę jadła => 68,800
będę jeść => 58,100