Verb conjugation of "tauchen" in German

Can we meet on the March 4 or 5 (Tuesday or Wednesday) in Cologne? I am delighted to see you again soon. We are in the beginning of March and we look forward to seeing you next week. Here's a photo.
I grew up in Angola, but now I'm in Hanover, not far from your border town. I used to study at the university in Boston, Massachusetts. I have graduated from MIT, which is the technology institute.
Absolutely no problem, do you speak English? I'll help you to learn it and you will like it. Your English is really very good, I understand all your lyrics, and please accept my friends request.