Breakdown of Cuando la nave aterrice, ¿ya habrás instalado el panel en el satélite?
en
in / on / at
ya
already / now (right now)
la
the (feminine)
cuando
when (statement)
haber
(auxiliary) have
la nave
the ship (spaceship)
aterrizar
to land
instalar
to install
el panel
panel
el satélite
satellite
Questions & Answers about Cuando la nave aterrice, ¿ya habrás instalado el panel en el satélite?
Why is it habrás instalado instead of just instalarás?
habrás instalado is the future perfect tense, which translates to "will have installed." You use it because you are asking if the installation will be completely finished by the time another future event happens (the ship landing). It is built with the future tense of the helping verb haber (here, habrás for "you") plus a past participle (instalado).
In English we say "will already have installed." Can I put ya between the two verbs in Spanish?
No, in Spanish you can never put a word between the helping verb (habrás) and the past participle (instalado). They act as an unbreakable pair. Adverbs like ya (already) generally go right before the conjugated helper verb (ya habrás instalado), but never inside the verb phrase.
Why does the sentence use aterrice instead of aterriza after cuando?
When cuando (when) introduces an action that hasn't happened yet, Spanish requires the subjunctive mood. Because the ship hasn't landed yet, we use the subjunctive aterrice. If it were a habitual action that happens all the time (like "when the ship lands every Tuesday"), you would use the normal indicative form, aterriza.
Why is there a "c" in aterrice if the verb is aterrizar?
This is a standard spelling rule. In Spanish, a z changes to a c when it comes before the letter e. Since the subjunctive endings for -ar verbs start with e, the z in aterrizar becomes a c (aterrice) to follow the spelling rules while keeping the exact same consonant sound.
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