に
(Ni)
marks target, destination, location of existence, or time.
Connection rules
- ＋Noun + に
- ＋For motion destination, に and へ are often interchangeable, though に is more common.
- ＋For location of action (where the action takes place), use で, not に. に marks where something IS (with ある/いる); で marks where something HAP…
Examples
1.
友だちに手紙を書きます。
Tomodachi ni tegami o kaki masu.
I write a letter to my friend.
「marks target, destination, location of existence, or time」
2.
東京に行きます。
Toukyou ni iki masu.
I go to Tokyo.
「marks target, destination, location of existence, or time」