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Verb Conjugation Cheat Sheet
The 30 most-tested irregular verbs across every mood — indicative, conditional, subjunctive, imperative — with a built-in quiz on the everyday tenses
Group 1 · -ermost common
parler
jeparle
tuparles
ilparle
nousparlons
vousparlez
ilsparlent
Group 2 · -ir-iss- stem
finir
jefinis
tufinis
ilfinit
nousfinissons
vousfinissez
ilsfinissent
Group 3 · -remostly irregular
vendre
jevends
tuvends
ilvend
nousvendons
vousvendez
ilsvendent
How to tell them apart: look at the infinitive ending. Almost every -er verb is Group 1; -ir verbs whose nous form adds -iss (finissons) are Group 2; everything else — -re / -oir verbs plus être, avoir, aller, faire and the like — is the irregular Group 3, learned one by one.
A few Group-1 verbs (préférer, acheter, appeler) tweak their spelling (je préfère); see the present-tense guide.