for (Preposition) — Appropriate to; intended for. ex. "lessons for beginners"
for (Preposition) — Beneficial to; on behalf of. ex. "this is for you"
for (Preposition) — Because of. ex. "I jumped for joy"
for (Preposition) — At a price of, in exchange for. ex. "selling for less than a dollar"
for (Preposition) — Extending, lasting. ex. "bends for the next ten miles" ex. "seemed to take for ages"
for (Preposition) — In favour of. ex. "I'm for going now before it's too late"
for (Preposition) — In the direction of. ex. "heading for London"
for (Conjunction) — For the reason that; on account of. ex. "empty, for it had been upside down"