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Both "occurs" and "occurring" are forms of "occur", which is often translated as "ocurrir". Learn more about "occur" below.
occur(
uh
-
kuhr
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
1. (to happen)
c. producirse
At that moment a change occured in social attitudes.En ese momento se produjo un cambio en las actitudes sociales.
d. tener lugar
The incident occured early in the game.El incidente tuvo lugar al principio del partido.
b. encontrarse
This species occurs naturally in Australia.Esta especie se encuentra de forma natural en Australia.