Breakdown of Der Retter sah die Lawine und wird darauf reagiert haben.
und
and
haben
to have
sehen
to see
darauf
on it
Questions & Answers about Der Retter sah die Lawine und wird darauf reagiert haben.
Why does the sentence use the future tense wird ... haben if the avalanche already happened?
In German, the Future Perfect (Futur II) is heavily used to express a strong assumption or probability about the past. By saying wird darauf reagiert haben, the speaker is saying "I am sure he reacted to it" or "he probably reacted to it," rather than predicting a future event.
How is the verb structure wird ... reagiert haben put together here?
It uses three parts: the conjugated helping verb werden (here, wird for "he"), the past participle of the main verb (reagiert), and finally the infinitive haben (or sein for certain movement verbs) placed at the very end of the sentence.
Why do we use darauf instead of just saying auf sie for the avalanche?
The verb reagieren (to react) goes with the preposition auf (to react to). When the object is a thing or concept like die Lawine (the avalanche), German combines da- plus the preposition, adding an extra -r- because auf starts with a vowel. This gives us darauf (to it).
Why does the sentence mix the simple past (sah) and the Future Perfect (wird ... reagiert haben)?