Verb conjugation of "tauschen" in German

My brother moved there last year. He met a woman and went after her. After six years they have broken up, but he no longer wanted to return, because he has settled down in his new home. I am visiting him once a year.
Spanish is very important and widespread. I want to improve my skills with the help of Vocabulix and its users. I'll be there looking for people and I hope that my new efforts will be helpful.
If you're still interested in our agreement, I will be glad to continue to correct your letters and essays. Write it in English, if you do not know a particular word and I'll translate it.