Verb conjugation of "apprendre" in French

Many of our friends would love to do the same but do not have the courage to think outside of the box. For us it is a privilege to be able to go whenever we want. Naturally, it comes at the expense of a high salary.
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.
I wish you a safe journey. In what city will you be staying in Germany? We want to buy a small flat in Eastern Germany. And if everything goes well, we want to build a small house next year.