Verb conjugation of "vertauschen" in German

Dear Maximilian, I look forward to your visit in Switzerland. After a somewhat difficult start, it seems that we have increased the website traffic and we are starting to receive more visitors.
You have to be careful when you go on summer vacation. There are many dangers but the most dangerous one is the sun itself, because if you're not careful it may harm you. People underestimate the rays.
Great to hear from you, I'm glad that you are well. I also need to look up words in the dictionary when I write lyrics, but it's the best way to learn any language as far as I know.