This conditional form expresses a condition that, once completed, leads to a result or subsequent action. It means 'when/if (completed condition)'. It can refer to both future and past situations. Connect it to the ta-form of verbs, i-adjectives, or na-adjectives/nouns.

「〜したら」のように、ある動作や状態が完了した後のことを表します。タ形に接続します。