Verb conjugation of "chapalear" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
Today, during the peace process it is very difficult for both parties to suppress their feelings since the recollection of what occured in the last decades are strongly rootes in their minds.
In order to see it you have to complete a lesson. I attached a screenshot. I did not place any rating there, so that it will not demotivate some of the users, especially the fresh beginners.