Verb conjugation of "sticken" in German

After testing the audio lab at the University of Bern, other universities such as the one in Zurich, ore the one in Geneva have shown interest. Of course, all this takes time. I will let you know.
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 can already speak a little English but not too well. So I'm more cautious about making mistakes. I want to improve my English, because it is also good for your confidence and communication skills.