Verb conjugation (In English)

Ablaut

When conjugating, the ablaut vowel goes to the opposite side of the mouth. Front goes to back, back to front. If there is no corresponding vowel then it moves down in the column, and wraps around at the bottom. Middle loses nasalization if there is, but stays as it is. The ablaut vowel is the first vowel that is after a consonant.

Mood

Rugan has 4 moods: Indicative, Imperative, Subjunctive and Contional

Aspect

"Verb conjugation" (Rügsmole)