Of relations which imply potency some further imply particular periods of time, e.g. that which has made is relative to that which has been made, and that which will make to that which will be made.
Eta potentziaren araberako erlazioetatik, batzuk denbora desberdinen arabera esaten dira, adibidez "egin zuena" "egina izan zenarekiko", eta "egingo duena" "egina izango denarekiko";