Å gå = to walk/to go.

Å gå – går – gikk – har gått

Note: å gå is a very normal verb and can be used in many more ways than described here.

Examples:

Jeg pleier å gå til togstasjonen = I usually walk to the train station.

Skal du gå på festen? = Are you going to go to the party?

Jeg gikk på en bra skole = I attended a good school.