Narten present
Narten present is a proposed inflectional class of the Proto-Indo-European verb, named after the Indo-Iranianist Johanna Narten who posited its existence in 1968. It is characterized by accent on the root in all of the person-number forms.
Roots having Narten presents always possess a surface accent, having a lengthened grade R(ḗ) in the singular active, and a full-grade R(é) in the rest of the active forms, as well as the mediopassive. The proposed examples of roots having such acrostatic presents include the following: