Memory Adjective + preposition (2)Versión en línea Adjective + preposition (2) por Karla Cardenas Did you know he was married? No, I wasn't aware of that. The italian city of Florence is famous of its art treasures. ¿Quién fue el responsable de todo ese ruido anoche? I think she's arriving tonight, but i'm not sure of that. Preposition AT + preposition OF... Estoy seguro de que eres capaz de pasar el examen. Adjectives - good. -bad. -excellent. -hopeless.. Cierto/ seguro DE o SOBRE... Erik was ashamed of being told what he forgot.. Certain/ Sure OF or ABOUT... I'm sure you are capable of passing the examination. Fond/ proud/ ashamed/ jealous/ envious Grammatical elements that serve to give their own characteristics to people, animals or things.