Tu hermana tiene diez anos
Puerto Rico houses are Spanish like and a lot of the US houses are WW2
1. vieron 2.comí 3.fuiste 4.estudié 5.bebiste 6.compramos 7.fue 8.enseño/escuché 9.fueron 10.llego
Eres paciente pero divertido
"Eres" already implies the person it's talking to (you, in this case), if we wanted to make it formal, we would've used "Usted es" (You (formal) are)