The Past of the Past: The Past Perfect Tense
When exploring ancient ruins, you often need to describe historical events that happened before another past event. To express what a civilization "had done" or "had built," use the past perfect tense (known in Spanish as the pluscuamperfecto).
It is formed by combining the imperfect tense of the auxiliary verb haber with the past participle of the main verb.
| Pronoun | Haber (Imperfect) |
|---|---|
| yo | había |
| tú | habías |
| él / ella / usted | había |
| nosotros / nosotras | habíamos |
| ellos / ellas / ustedes | habían |
To form the past participle, drop the infinitive ending and add -ado for -ar verbs (like tallado) or -ido for -er and -ir verbs (like construido).
| The archaeologist discovered that the civilization had built a temple. | El arqueólogo descubrió que la civilización había construido un templo. |
| They had carved a strange symbol in the stone. | Habían tallado un símbolo extraño en la piedra. |
Unlike adjectives, the past participle in this tense never changes to match gender or number. It always ends in -o.
| The empire had built those walls many centuries ago. | El imperio había construido esos muros hace muchos siglos. |
You will often see the past perfect paired with another past tense verb (like the preterite or imperfect) to establish a timeline of discoveries, or used with words like ya (already).
| The archaeologist knew that the empire had destroyed that civilization. | El arqueólogo sabía que el imperio había destruido esa civilización. |
| We had already explored the pyramid where they had carved their history. | Ya habíamos explorado la pirámide donde habían tallado su historia. |