bijis

In a sentence

• Viņš ir bijis ļoti labs skolotājs.

  He has been a very good teacher.

  Here, 'bijis' is used in a present perfect tense context to indicate a past state or action that pertains to the present.

• Es nekad neesmu bijis Itālijā.

  I have never been to Italy.

  In this sentence, 'bijis' is used to denote an experience (or lack thereof) that pertains to the speaker's life so far, in a perfect tense.

• Viņa teica, ka viņš ir bijis mājās visu dienu.

  She said that he had been at home all day.

  Here, 'bijis' is employed in a reported speech to refer to a prior state or action that is being relayed.