Answer:
1: Era
2: visitaba
3: Vivían
4: Llegaba
5: Hacían
6:Preparaban
7: Preguntaban
8:Iban
9: Fui
10: Decidieron
11: Le tenían
12: Eran
I hope this helps, good luck!
You would talk to them by usted or ustedes or something like that i dont get your question much
Do you have a map or diagram your looking at that shows you a little more information? A prepositional phrase would be something like: near (cerca de), in front of (delante de), to the right (a la derecha), to the left (a la izquierda), etc.