beforms
Beforms are a term used in linguistic analysis to refer to the inflected forms and related para-forms of the copular verb to be. The concept is used to describe how languages encode the state of existence, predication, and various grammatical categories such as tense, aspect, mood, and voice through forms derived from the be-verb. Beforms are not universally standardized in all grammars, but they appear in discussions aimed at unifying how languages treat the verb to be across different typologies.
In English, beforms include finite present and past forms (am, is, are, was, were), the infinitive (be),
Across languages, beforms may bear person and number agreement, carry mood or evidential nuances, or operate
Beforms are contrasted with non-be copulas and with lexical verbs that carry primary semantic content. Studying