If we choose to distinguish between Aktionsart and Aspect such that the former is the kind of action and the latter is the speaker's perception of the kind of action, we might say the aorist tense has undefined Aktionsart and punctiliar Aspect. However, be careful to note that the meanings of the terms Aktionsart and Aspect vary from one grammarian to another. Formation of the Aorist Tense Aorist tense is formed using the 3rd principal part Look at the inside of the back cover of your text book, and compare what you see there with the simplified table below. At this point, we need to distinguish between 1st and 2nd aorist forms. These are not two different tenses, but two different ways of forming an aorist tense.
Some verbs use one method, other verbs use the other method.
The sign of the First Aorist is sa in the stem. The stem may not look very similar to the stem found in the first principle part. The third person singular form may have the movable n . The difference will be that the imperfect tense is formed on the first principle part and has a stem identical to that of the present tense form, but the 2nd aorist stem will not look like the stem of the present tense form. The third person singular form may have the moveable n .