Verb conjugation of "enseigner" in French

In life you have to decide what is best for you. Each time I go to a new place I ask myself whether I could live in such a place. But once I return home, I know that I made the right decision by staying in Norway.
I will be here for another 3 hours, then about 2 hours offline and then again online until late. So the exception is in Spain, cause formal is usually vos/ustedes even when we speak to 1 person. They also jump to the third person singular.
I'm helping you with Spanish and you can help me with English. How did you teach yourself the grammar? Here in Zurich it has being raining for 5 days and we have spent most of the time in front of the TV.