Translation of undetermined in German

The first link that you provided (http://www.vocabulix.com/conjugation/Spanish-Verbs.html) takes me to the Spanish Verbs Page (Verb Module). This section is an online version of all the conjugated verbs.
We recently started a new free vocabulary and conjugation website, called Vocabulix (http://www.vocabulix.com). This free website targets people who are interested in learning foreign languages.
I made plans to visit a surfing contest with a girl that I have met on the first day. We agreed to meet at ten in the morning at her place. I couldn't keep my eyes open and decided to quit.