Verb conjugation of "beherrschen" in German

It all depends on the language that you want to learn. For German it would be best to go to Berlin, as the pronunciation is classic there. Imagine going to Switzerland where they speak a different language.
And in the end you still have not learned what you have wanted. I browse in online stores all day and come back empty-handed, or with items that I do not really need. Learn and think about it.
I want learn Spanish because of my girlfriend from Guatemala. She is from Latin America. And of course I want improve my grammar too. I like to hear it, but speaking is still hard. Hasta Luego.