principal parts
US /ˈprɪnsɪpəl pɑːrts/
UK /ˈprɪnsɪpəl pɑːrts/

1.
parties principales d'un verbe
the forms of a verb from which all other forms can be derived, typically the infinitive, past tense, and past participle
:
•
The principal parts of 'sing' are 'sing,' 'sang,' and 'sung.'
Les parties principales de 'chanter' sont 'chanter', 'chanta' et 'chanté'.
•
Understanding the principal parts helps in conjugating verbs correctly.
Comprendre les parties principales aide à conjuguer correctement les verbes.