principal parts noun
[plural] grammar : the main forms of a verb
▪ The principal parts of the verb “write” include the infinitive “write,” the past tense “wrote,” the past participle “written,” and the present participle “writing.”
▪ The principal parts of the verb “write” include the infinitive “write,” the past tense “wrote,” the past participle “written,” and the present participle “writing.”
