Respuesta:
cinco oraciones de presente perfecto:
We have lived in this house for over twenty years. ...
She has never been to Florida. ...
I'm bored; I have seen this film a thousand times. ...
You have given up hope. ...
I've lost my keys. ...
cinco de pasado perfecto:
I had worked (Yo había trabajado)
You had worked (Tú habías trabajado)
He had worked (Él había trabajado)
She had worked (Ella había trabajado)
It had worked (Eso había trabajado)
