Concorde the history: 'sortir', 'choisir', 'venir' verbs, -ion/-ation nouns

Many French nouns end in -ation and -ion and have a verb in the same family. Add ation/ion to the stem of the verb. Around 33% of English words originate from French due to the Norman conquest. Many -ir verbs in the present follow the pattern of sortir: remove -(t)ir and add: -s, -s, -t, -ons, -ez, -ent. Many -ir verbs in the present follow the pattern of choisir: remove -ir and add -is, -is, -it, -issons, -issez, -issent. Some -ir verbs in the present follow the pattern of venir. The stem is vien(n) in all but the nous and vous forms.