I'd be interested in learning, because German is the biggest contributor to modern English along with French. Of course the split happened long, long ago, but still...
It would have to be a couple years though, after I (knock on wood) am done getting to about B2/C1 on French.
German is the biggest contributor to modern English
Common misconception. English and German are West Germanic languages with a common ancestor, whose ancestor in turn is common among Norwegian, Gothic, Saxon, etc etc. The only influence German has now is the odd loanword, like Weltschmerz and Schadenfreude. English loaned a lot of words from French a thousand years ago because Norman was the substrate language in England a thousand years ago and is still a sort of prestige language. Dutch is much the same but you never hear anyone say that.