Verb conjugation of "back" in English

Of course I have already tried, but it did not work. I will try it again. Meanwhile, here is the reason for my short emails... only one hand free at a time, see explanation in the image of me.
Somehow, my email was not sent. There were even a few mistakes, but really only minor things, nothing really bad. I've already read some other texts that you have sent and are getting better each time.
I do not like London, my home is in southern England, and there is a lot of work there too. A lot of people are moving to London just for work. I've been here for 10 years and I am studying chemistry.