| el hecho terminado | I had read three books. | |
| la cantidad | She had written ten emails. | |
| el resultado | They had finished. |
| la duración | I had been reading for hours. | |
| la causa visible | His eyes were red: he had been crying. | |
| la acción en curso | They had been working. |
When the editor called, Elena had been writing for eleven months. She had rewritten the ending four times and had almost given up twice. "I had never believed it would be published," she said later.