Every statement in this section sounds like a question to me. Am I the only one?
TTS has real problems with intonation. Many declarative sentences sound like questions.
In Russian, Chociu prodať moj ťeľewizor!
"I want to sell my tv set" - reported.
Not sure anybody says "TV set" anymore.
Well, it's kinda "up there" with playing records on the gramophone or listening to the Third Programme on the wireless :-).
I believe that would be the first thought to many non-natives...
I thought I'd try TV becuase that's how we always speak of it. Not.
You used to have to let the television set warm up.
Back in the day when tvs were called Televison Sets you usually wouldn't own it, instead of selling would have to return to Radio Rentals!
Is sprzedać imperfect ?
No; it is the perfective verb. The imperfective verb is "sprzedawać".
It's all here: https://en.wiktionary.org/wiki/sprzeda%C4%87 .