Thank you, Dana'an, charghwI', SuStel and Lieven L. Litaer for your replies! Dana'an:

If you'd like you could check out these discussions:

http://lists.kli.org/pipermail/tlhingan-hol-kli.org/2019-September/013132.ht... http://lists.kli.org/pipermail/tlhingan-hol-kli.org/2020-April/014757.html http://lists.kli.org/pipermail/tlhingan-hol-kli.org/2020-April/014866.html

Thank you for these really interesting threads! I had searched the archives, but I didn't find them. They have been very useful! I will try to illustrate what I've understood with a few examples: *vISopta'* - I set out to do this action: eating / this action was accomplished (for example, I was hungry and I was looking for a restaurant, I found it and I ate) *vISopta'be'* - I set out to do this action: eating / this action wasn't accomplished (I found no restaurant and I had to go to work without eating, see PK: *loDnI'wI' bIHoHta'be'*, *My brother, you failed to kill*) *vISopbe'ta'* - I set out to do this action: not eating / this action was accomplished (for example, I was on a diet and I didn't eat anything at the party) *wej vISopta'* - I set out to do this action: eating / this action hasn't been accomplished yet (I'm still looking for a restaurant) *bong vISoppu'* - I didn't set out to do this action: eating / this action was accomplished (for example, if I've accidentally eaten the pit of a fruit) - if context is clear, *bong* is not necessary (*-pu'* doesn't say anything about wether I set out to do the action or not) If I'm at least not totally wrong, I will be really happy!