This is a regular verb. It follows the conjugation pattern of the verb hablar.
PresentPresente
El bebé gatea por toda la sala.
The baby crawls all over the living room.
ImperfectPretérito imperfecto
Mi hija gateaba muy rápido a los diez meses.
My daughter crawled very fast at ten months.
FutureFuturo
El niño pronto gateará solo.
Soon the boy will crawl on his own.