Translation of elementary in Spanish

If you want to learn, you need milestones, so that you can plan your learning curve. Together, we will decide on 3-4 days, where we will study intensely. Perhaps your German will get a little bit better by then.
My correction were added and highlighted with yellow markers and attached to this email. Tell me now if you have any questions about grammar rules, since I was a teacher 10 years ago.
Of course I understand the reasons. I live in Thun, which is not far from Bern, our capital city. How come your Spanish is so good? Have you ever been to Switzerland. You are most welcome.