The Future Perfect Tense
When you want to talk about milestones humanity will have achieved by a certain time in the future, you use the future perfect tense.
To form it, combine the future tense of the helper verb haber with a past participle (usually ending in -ado or -ido).
| Pronoun | Future of haber | Past Participle |
|---|---|---|
| yo | habré | instalado |
| tú | habrás | construido |
| él / ella / usted | habrá | arreglado |
| nosotros / nosotras | habremos | colonizado |
| ellos / ellas / ustedes | habrán | puesto |
| By next year, we will have installed the new solar generator. | Para el próximo año, habremos instalado el nuevo generador solar. |
| By next month, the robots will have built a new dome. | Para el próximo mes, los robots habrán construido una nueva cúpula. |
Deadlines and Milestones
You will often see the future perfect paired with time markers like para (by) or cuando (when) to establish the deadline for when the action will be complete.
| When the ship lands, will you already have installed the panel on the satellite? | Cuando la nave aterrice, ¿ya habrás instalado el panel en el satélite? |
| When you arrive at the base, they will already have put the solar panels on the dome. | Cuando llegues a la base, ellos ya habrán puesto los paneles solares en la cúpula. |
Notice that past participles (like instalado or the irregular puesto) do not change their endings to match gender or number when they are part of a perfect tense. They always end in -o.
| How many planets will we have colonized by next century? | ¿Cuántos planetas habremos colonizado para el próximo siglo? |
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