Verb conjugation of "opposer" in French

This is just a quick confirmation that Hans George accepted to study with you on the English-German tandem option. Please be helpful to other users and keep your conversation public. Both parties need to agree on that.
If you go to the shopping mall to buy shoes, it takes an hour and two stores until you find the right pair of shoes. But if you go shopping 'stuff' generally, it might take you an entire day to finish.
I am glad that you accepted my offer. I would like to write letters and emails in English and if you want you can write back to me in German. I want to correct your German and so we will both get better.