regresan

In a sentence

• Los estudiantes regresan a sus casas al terminar las clases.

  The students return to their homes after finishing classes.

  In this sentence, 'regresan' is used to indicate a habitual action in the present, describing the students going back home after classes daily or regularly.

• Cuando los exploradores regresan de su expedición, comparten sus hallazgos.

  When the explorers return from their expedition, they share their findings.

  Here, 'regresan' is part of a conditional-structured sentence, where the subject performs the action upon a certain temporal occurrence.

• Espero que los turistas regresen con buenos recuerdos de este lugar.

  I hope that the tourists return with good memories of this place.

  In this example, 'regresen' is in the subjunctive mood, expressing a wish or hope about the action in question.