Verb conjugation of "accede" 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.
I wanted to post a comment to your blog, and just after this email there was the power outage - so I am sending here the full original email once again. And thank you for your kind words.
I have learned German for one year and I would like to intensify my studies. Do not know how yet... It is very difficult at my age to start new projects in life. I am over 75, did I tell ya...