Verb conjugation of "versagen" in German

Now I just got scared! Have I missed my own son's birthday? Luckily it is on the 19.08, exactly in a month. Man, you confused me now. Anyway, we had a great time in the mountains and the snow was great.
I will answer your mail during the weekend. Please translate the same text to Hungarian. I think it is easier to write. We can do the same with Spanish. Just note that the context needs to stay the same.
I attended a Spanish course in Malaga, but I need more practice and speak more often (and write of course). Here in Germany it is a bit difficult to learn Spanish because we do not have the chance to practice.