Page 175 - Basic Japanese

Kōen e itte sanpo suru koto ga arimasu.

I sometimes go to the park and take a walk.

Aki ni mo samui koto ga arimasu.
It is sometimes cold in autumn, too.

If you use the perfect before koto ga aru, the meaning is

‘has ever done, once did’:

Hibiya-kōen e sanpo ni itta koto ga arimasu ka.

Have you ever been (gone) to Hibiya Park for a
walk?

Soko e itta koto wa arimasen.
I’ve never been there.

Kōbe e ryokō shita koto ga arimasu.
I once took a trip to Kobe.

Mō soko e itta koto ga arimashita ga, mae no ryokō wa
fuyu deshita.

I had already been there (once), but the trip
before was (in) winter.

4.8. Uses of the infinitive

The infinitive is a noun-like form of verbs and adjectives.
There is no copula infinitive, except in the impersonal style