Verb conjugation of "abbreviate" in English

It would be an advantage if you could send it via DHL, UPS or another Currier, because the parcel was lost once when we sent it with regular mail. Please send me a reference number after you send it.
My name is Wolfgang, and I am interested to build my Spanish vocabulary. Maybe we can practice together. How long have you learned Spanish? I have been learning for a few years with books.
My name is Michael. I am from Budapest in Hungaria. I speak Hungarian, of course and English. Maybe I could help you with something. I would also like to learn Spanish. Would you mind teaching me?