3 Helping Verbs

sal, sou will/shall, would
wil, wou want to, wanted to
sal wil, sou wou will want to, would have wanted to
kan, kon can, could
sal kan, sou kon will be able to, would have been able to
moet, moes have to, had to
sal moet, sou moes will have to, would have had to
mag, mag(mog) may (permission), would have been allowed to
sal mag will be allowed to
het did