So, say I’m on a Shyamalan kick and I decide to intone “I see dead people” in Klingon.
Are adjectives that are formed from past participles in English formed with a suffix attached to the base verb? Or are they just separate words?
In addition to what jdmcowan said, also note that there is no one way to do this in Klingon. Sometimes the relative clause (-bogh) is correct. Sometimes there's a verb that does what you want (e.g., 'ambay chIm deserted island; HoD Duq shocked captain, stunned captain). Sometimes you just need to split it into a separate sentence because the one you wanted to put it in has become too cumbersome.
Because Klingon doesn't actually have adjectives, you have to reach for other tools to do what you're asking about. But there is no suffix to do it.
And further exploring this topic, according to TKD 4.4, it appears that you can only use verbs that express a state or quality as adjectives.
So "dies" is not really a constant state or quality the way "stinks" is, so you would not be able to use it as an adjective to modify the noun in the that way.
nuvpu' He'So' -- stinky people
Heghpu'bogh nuvpu' -- people that have died
Heghpu'bogh nuvpu' He'So' -- stinky people that have died
I never really understood that fine distinction before, so thanks for motivating me to look into it.