Memory ADJECTIVE + PREPOSITION (1)Version en ligne ADJECTIVE + PREPOSITION par OCTAVIO PEREZ SANDOVAL usamos at y with para: Usamos of para: I am worried about socializing little i am sorry about the noise last night we are amazed at cooking for our family I’m sorry for her coming to apply a job She is kind to them in the training for olympics son adjetivos Impersonal Pronouns are: You are shocked at learning quantum physics