Some language textbooks call this sort of sentence an "unreal condition". We need Okrand/Maltz to reveal a one-syllable or two-syllable particle which means "this is not true, but assume for the moment that it is true" or similar, that could be put in if-clauses and when-ckauses and suchlike, and/or into a clause that governs such a clause.

----Original message----
From : mihkoun@gmail.com
Date : 03/11/2016 - 14:34 (GMTST)
To : tlhingan-hol@kli.org
Subject : [tlhIngan Hol] A thought on the irrealis construction

I remember having discussed here, that klingon doesn't possess the grammar to say "if klingon possessed an irrealis suffix, then I wouldn't be writing this post".

So far so good..

I've been trying to find a way to overcome this problem, and I thought of the following approach:

Lets say, I want to write "if I possessed foresight, I would have known my dog is stupid". If I write:

{'op ben leSSov vIghajbe', 'ach ngugh vIghajchugh..}
....