"The man has a bear."
Translation:Mannen har en björn.
Why in Swedish language and different roles that example Ett bord En stol Why the are use ett and en ...?
There's no good reason for them. It's just a historical thing, our language family has had genders historically, two or three of them. Further back in history we had three, but they merged into the present day two. They used to have gender in English too, but lost it. German still has three, and so on.