Explanation:
http://www.french-linguistics.co.uk/grammar/past_participle_formation.shtml
hope this help a little I know this topic is hard if you have to do the bon voyage work book then there is a website for the answers
ES because esta means something like to be and esta is a girl and pablo is not a girl lol and es is to be so pablo is playing with his homie
It covers a distance that crosses the entire country of Spain
Three garages i believe because it says tres garajes