As in the Future σ is inserted between the stem of the verb and the endings. The characteristic vowel of the tense is α. The σ which is inserted before the endings of the 1st Aorist produces consonantal changes similar to those produced by the σ inserted before the endings of the Future. Examples: Present Future 1st Aorist διώκω διώξω ἐδίωξα ἀνοίγω ἀνοίξω ἀνέῳξα1 κηρύσσω κηρύξω ἐκήρυξα κράζω κράξω ἔκραξα βλέπω βλέψω ἔβλεψα γράφω γράψω ἔγραψα κρύπτω κρύψω ἔκρυψα
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