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

1.
partes principales de un verbo
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.'
Las partes principales de 'cantar' son 'cantar', 'cantó' y 'cantado'.
•
Understanding the principal parts helps in conjugating verbs correctly.
Comprender las partes principales ayuda a conjugar verbos correctamente.