Regular verbs are characterized by following an outline, so it is less difficult to use them in our conversation. On the other hand, irregular verbs, as their name suggests, are those that once conjugated change or alter their lexeme in some of its forms.
Los viajeros ESTÁN de buen humor.
Tomas y yo ESTAMOS preocupados POR la situación en el aeropuerto
Mi sobrina ESTÁ avergonzada
¿Tú ESTÁS seguro de que QUERES ser medico?