"Why are you in our beds?"
Translation:Proč jste v našich postelích?
It's not giving me PROČ JSI V NAŠÍCH POSTELÍCH, so presumably no one is in more than one bed
Erik, the question here is addressed to more than one person (that is, "you" is plural). More than one person can be in more than one bed -- both in English and in Czech.
I still don't completely understand in which situation to use "V" and when to use "Ve". Does it have to do with the softness of the word afterwards?
So sorry I reported my sentence and now I know I was wrong. I put "jsi" instead of "jste" which of course is the only solution... Duolingo is missing a "unreport my answer" button ;)