Breakdown of Escucho al pasajero suspirando de alivio.
de
from / of
escuchar
to listen
el pasajero
the passenger
al
personal 'a' + the (marks a human direct object)
Questions & Answers about Escucho al pasajero suspirando de alivio.
Why use the gerund suspirando here instead of the infinitive suspirar?
With perception verbs like escuchar, using the gerund (suspirando) emphasizes that the action was in progress right at the moment you heard it, much like 'sighing' in English. If you used the infinitive (suspirar), it would imply you heard the entire, completed action from start to finish ('I heard the passenger sigh').
Why do we need al before pasajero?
Even though the passenger is the direct object of the verb escuchar, it refers to a specific, identifiable person. Because of this, we have to use the personal 'a'. When a is followed by the masculine article el, they combine into al.
Could I attach a pronoun and say Lo escucho suspirando?
Yes! If you already know who the passenger is, you can replace al pasajero with the direct object pronoun lo. The sentence would then be Lo escucho suspirando (I hear him sighing).
Why is it de alivio instead of en alivio or con alivio?