Marks the purpose of an action, often with verbs of motion or the stem of a verb.
I go shopping.
Indicates a reason or cause. Often used with nouns expressing emotion or natural phenomena.
I got wet from the rain.
Expresses a rate or proportion. Common in patterns like 〜に一回 (once per ~).
I go to the gym once a week.
Lists items, often in the pattern 〜に〜, adding emphasis or completeness.
Bread and coffee, that's enough.
Archaic conditional or concessive use, now mostly replaced by 〜ば, 〜ても, etc. Found in classical Japanese.
Used in old expressions like '行くに行かれぬ' (unable to go even if one tries).
There is a TV in the room.
I go to school.
I'm going to see a movie.
She was surprised at the news.
I was scolded by the teacher.
He was chosen as the team leader.
I exercise once a week.