when Esperanto was made French is earth language French is inflected language English is not inflected language.Esperanto took example the english

Pouvoir
j'ai pu
Tu as pu
İl a pu
Nous avons pu
Vous avez pu
İls ont pu
This Esperanto is povis
je pourrai
Tu pourras
il pourra
Nous pourrons
Vous pourrez
ils pouront
povos
Zamenholf abolished french inflected struction.Devoir-Dovi verbs is seen same situation Esperanto took vocabulary from french por en pensi French has influence on Esperanto but ı do not know french so ı could not write Best regards