Verb conjugation of "propose" in English

I have contacted you 12 months ago to propose your school's inclusion in our language school directory. I wanted to inform you that our site achieved high positions in search engines last month.
In the attachment you will find the reviewed documents. Your Portuguese is quite good. I understood everything. If you write the same text in German, I can know what you wanted to say.
My name is Julio and I live in Santiago, which is in Chile. I speak a little German, but I want to improve. Where are you from? Where do you live? What is your favorite music? Auf wiedersehen!