Breakdown of El tren pasa por el túnel oscuro.
el tren
the train
pasar
to come in / to pass / to spend / have (time)
por
for / by / through / in/during (part of the day)
oscuro
dark
Questions & Answers about El tren pasa por el túnel oscuro.
Why do we use "por" in this sentence instead of "para"?
Does "pasar" always mean "to pass"?
Why does "túnel" have an accent mark on the "u"?
Why is the adjective "oscuro" placed after "túnel"?
In English we put the description first and say dark tunnel, but in Spanish, descriptive adjectives like oscuro almost always come after the noun they describe. Notice that it also ends in -o to match the masculine singular noun el túnel.