Verb conjugation of "determinar" in Spanish

I was tired and still felt a little ill, so that I agreed to meet the other family and they escorted me to the next building. The new family instructed me not to tell anyone where I stayed here.
After placing my luggage there I decided to walk into town and rent a bike. The neighbor of the guest house stopped me on the street and asked me if I was Mike. She told me that she was Luisa.
The city was incredibly vivid and we were impressed by its size. We walked a lot through all the different neighborhoods, starting with Recoleta, an upper class neighborhood with its famous cemetery.