particle
Marks the purpose of an action, often with verbs of motion or the stem of a verb.
買い物に行く。
I go shopping.
particle
Indicates a reason or cause. Often used with nouns expressing emotion or natural phenomena.
雨に濡れた。
I got wet from the rain.
particle
Expresses a rate or proportion. Common in patterns like 〜に一回 (once per ~).
一週間に一度、ジムに行く。
I go to the gym once a week.
particle
Lists items, often in the pattern 〜に〜, adding emphasis or completeness.
パンにコーヒー、それで十分だ。
Bread and coffee, that's enough.
particle
Archaic conditional or concessive use, now mostly replaced by 〜ば, 〜ても, etc. Found in classical Japanese.
「行くに行かれぬ」のような古い言い回しで使われる。
Used in old expressions like '行くに行かれぬ' (unable to go even if one tries).