# perfect infinitive

> English word · Noun

## Definitions
1. In English, an infinitival phrase consisting of the infinitive of the auxiliary "have" (with or without a preceding "to") plus the past participle; a comparable phrase or word in other languages.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/perfect-infinitive