1
〜に（場所）
to (a destination); in/at (existence)
place + に + 行く／来る／帰る
Marks the destination of movement verbs, and the location where something exists with います／あります.
- 学校に行きます。I go to school.
Where something is, versus where something happens
Each one below is our full write-up of that form, in the order worth reading them. Nothing is summarised — you are looking at the same pages the grammar index links to, put next to each other.
to (a destination); in/at (existence)
place + に + 行く／来る／帰る
Marks the destination of movement verbs, and the location where something exists with います／あります.
at / in (location of action)
place + で + action V
Marks where an action takes place. Contrast with に, which marks existence or destination.
at / on (a time)
time + に
Marks a specific point in time when something happens. Not used with relative words like 今日 or 明日.
by / with (means or tool)
N + で
Marks the tool, method, or means used to do something — vehicles, instruments, languages, materials.