Breakdown of La torre fue diseñada por un arquitecto famoso.
ser
to be
un
a, an (masculine)
famoso
famous
la
the (feminine)
por
for / by / through / in/during (part of the day)
la torre
the tower
diseñar
to design
el arquitecto
the architect
Questions & Answers about La torre fue diseñada por un arquitecto famoso.
Why does the word for "designed" end in "-a" (diseñada) instead of "-o"?
In the passive voice, the past participle (diseñada) acts like an adjective describing the subject. Since La torre is a feminine singular noun, the participle must match it in gender and number, changing the default "-o" ending to "-a".
Why use fue instead of estuvo for "was"?
Why is fue (preterite) used here instead of era (imperfect)?
Why do we use por to mean "by" here?
In passive voice sentences, por is the standard preposition used to introduce the agent, which is the person or thing performing the action. Here, por connects the action to the doer: un arquitecto famoso.
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