aru ある

Verb meaning: be, there be, exist, have.

1. After inanimate subject
銀行は駅の向こうにあります
Ginkou wa eki no mukou ni arimasu.
The bank is on the other side of the street.

2. After (object) noun + ga
「部屋にはシャワーがありますか。」「はい、あります。」
<<Heya ni wa shawaa ga arimasu ka.>> <<Hai, arimasu.>>
<<Does the room have a shower?>> <<Yes, it does.>>

3. After ta-form of verb + koto + ga
(used for expressing experiences)
東京に三回行ったことがあります
Toukyou ni san kai itta koto ga arimasu.
I’ve been to Tokyo three times.

4. After te-form of verb
(used of expressing some continuing state caused by an action)
ドアは閉めてあります
Doa wa shimete arimasu.
The door is shut (because I shut it).

-> See also arimasen, iru, koto ga aru, nai