• The pronunciation is the same for all singular persons (*je*, *tu*, *il*, *elle*, *on*) and the third-person plural (*ils*, *elles*): /parl/.
• It changes only for the first- and second-person plural (*nous* and *vous*): /nu.parlõ/ and /vu.parlé/.
• First-group verbs always end in -er in the infinitive.
• First-group verbs always have the same endings.
-e -es -e -ons -ez -ent (present)-erai -eras -era -erons -erez -eront (future)-ais -ais -ait -ions -iez -aient (imperfect)…etc.• 70% of verbs belong to the first group. It is the default conjugation group.
Phonological adaptations
• Verbs ending in -ger:
Verbs ending in -ger take a silent 'e' before the *nous* ending.
Nous mangeonsNous voyageonsNous partageonsNous rangeons• Verbs ending in -cer:
Verbs ending in -cer take a cedilla (ç) before the *nous* ending.
Nous rinçonsNous pinçonsNous agaçonsNous grinçons• Verbs ending in -eler, -eter, and -ener:
Verbs ending in -eler, -eter, or -ener take a grave accent on the penultimate vowel with *je*, *tu*, *il*, *elle*, *on*, *ils*, and *elles*.
Je modèletu répètesil amène• The verbs *appeler* and *jeter*:
The verbs *appeler* and *jeter*, as well as their derivatives, do not follow the rule above exactly. Instead, they take a double consonant with *je*, *tu*, *il*, *elle*, *on*, *ils*, and *elles*.
J'appelletu jettesIl épelleelle rejetteon rappelleVive le FLE !
Podcast Français Facile
https://www.podcastfrancaisfacile.com/conjugaison/les-verbes-en-er.html
Lingolia
https://francais.lingolia.com/fr/grammaire/les-temps/le-present#a-les-verbes-du-premier-groupe-en