decir(to say, to tell)- dir-
hacer(to make, to do)- har-
poder(to be able to)- podr-
poner(to put)- pondr-
querer(to want)- querr-
saber (to know)- sabr-
salir(to leave, to go out)- saldr-
tener(to have)- endr-
venir(to come)- vendr-
caber(to fit)- cabr-
haber(to have)- habra(only form used)
valer(to be worth)- valdr-