IT WAS GOING TO BE
THERE WILL BE
THERE HAD BEEN
ES / ESTÁ
IT IS GOING TO BE
HABER
IT WILL BE
IT IS
HABÍA HABIDO
HABÍA SIDO / HABÍA ESTADO
THERE IS/ARE GOING TO BE
THERE ARE
HUBO
HAVE
HABER
THERE IS
ERA, FUE, ESTUVO, ESTABA
IT HAD BEEN
VA A SER / ESTAR
HA SIDO / HA ESTADO
HA HABIDO
IBA A SER / ESTAR
IT HAS BEEN
HAY
THERE HAS/ HAVE BEEN
THERE WAS / WERE
THERE
THERE WAS/ WERE GOING TO BE
HABRÁ
IT WAS
VA A HABER
HAY
IBA A HABER
SERÁ / ESTARÁ