245. The augment, however, appears only in the indicative mood. Thus, although the aorist active indicative of λύω is ἔλυσα, the aorist active participle is not ἔλυσας, but λύσας, and although the aorist active indicative of ἀκούω is ἤκονσα the aorist active participle is not ἠκούσας but ἀκούσας.