I wish klingon had tenses instead of aspect.. lets say I want to say "I didn't know that"; what do I write ? {time-stamp jISovbe'} or {jISovbe'pu'} ? Is my not-having-known a completed event or not ? I think it is a completed event, which continues neverthless. go figure..

It's not a question of fact; it's a question of what you want to express. I didn't know that but now I do might be expressed like so in this context: pab DaQIjpa' vISovbe' before you explained the grammar I didn't know it. I didn't use any aspect here because I'm not trying talk about anything completed; I'm talking about not knowing something and I'm talking about a time before an explanation. I'm not interested in talking about before the time an explanation was completed—though I could do that and in this context it would still make sense. I'm not interested in expressing that not knowing was completed.

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SuStel
http://trimboli.name