future sample irregular stems

aller (to go)

ir

avoir (to have)

aur

courir (to run)

courr

devoir (to have to)

devr

envoyer (to send)

enverr

être (to be)

ser

faire (to do or make)

fer

falloir (to be necessary)

faudr

mourir (to die)

mourr

pleuvoir (to rain)

pleuvr

pouvoir (to be able to)

pourr

recevoir (to receive)

recevr

savoir (to know how to)

saur

tenir (to hold)

tiendr

valoir (to be worth)

vaudr

voir (to see)

verr

vouloir (to want to)

voudr

venir (to come)

viendr