Breakdown of Después de haber oído un trueno, el chaparrón está para caer.
un
a, an, some
estar
to be (location/state)
oír
to hear
haber
to have (auxiliary)
Questions & Answers about Después de haber oído un trueno, el chaparrón está para caer.
Why do we use está para caer instead of está por caer in this sentence?
The structure estar para + infinitive expresses that an action is imminent—something is "about to" happen right now, like a storm breaking. If you used estar por caer, it would either sound like the downpour intends to fall (which sounds strange for weather) or simply that it is "yet to fall," losing the urgency of the impending rain.
Why use the perfect infinitive haber oído here instead of a conjugated verb?
Prepositions like después de are followed directly by an infinitive when the sentence doesn't introduce a new subject. Because the hearing happened before the rain was about to fall, we use the perfect infinitive (haber + past participle) to clearly mark it as an already completed action.
In English, we usually just say "hearing thunder." Why does the Spanish use un trueno?
Could I use está a punto de caer instead of está para caer here?
Yes, absolutely. Estar a punto de + infinitive is a very common synonym for estar para + infinitive when you want to say that something is "about to" happen. Both perfectly capture the imminent threat of the downpour.