Verb conjugation of "vergehen" in German

My boss offered it to me, so that a few more people at work will have a good level of English and now I really have to kick my own ass (I've started last year and it's not going very well).
Thank you for your email! A little question about yourself. How old are you? I think the Americans are using the word color and not colour, but I understand if you are not sure about it.
I like music very much too. I prefer classic music, but rock is also good. When you come to my Berlin we need to out to concerts together and visit a few bars. They are all close to the center.