The present

The verb forms are the present, the past and the past participle.

go, went, gone - iść

The present

I go to work every day.
Chodzę do pracy codziennie.

The past

I went to work yesterday.
Poszedłem do pracy wczoraj.

The past participle

I have gone to work.
Poszedłem do pracy i tam jestem.