Verb conjugation of "schaffen" in German

Well why are you doing that to yourself? That is very hard. You can easily write in another language, if you prefer, because I speak many languages and I can understand many more. I only have problems with writing.
I have even met someone who invited me to come and visit. It was an older couple who were renting apartments for language students. Well, actually there are agencies that offer the same as this couple, but I'm open.
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.