"Our guide often used a map."

Translation: Nasz przewodnik często używał mapy.

[idanlipin]

Więc on nie jest tak dobrym przewodnikiem

[JoshLovesBacon]

Can someone please explain why it's dopełniacz, ("mapy") not biernik ("mapę")? Thank you.

[mihxal]

https://en.wiktionary.org/wiki/u%C5%BCywa%C4%87

[JoshLovesBacon]

Dzięki.

[immerweiter]

what is the reason for using genitiv after this verb?

[Jellei]

Well, usually the answer is "it just needs this case", but maybe you can find something interesting [link removed for safety reasons].

[immerweiter]

thank you, this is very revealing