reading morphologically

A resource for using morphophonology in Ancient Greek and Latin language instruction.

Athematic Infinitive Progressive Middle and Passive

Introduction

The athematic progressive middle (and passive) infinitive is formed by adding /σθαι to the progressive stem. The accent falls on the last vowel of the progressive stem:

          θι/θέ/σθαι > τιθέσθαι
          δυνά/σθαι > δυνάσθαι

BASEprogressive aspect marker(s)/σθαι