Breakdown of Che cosa è successo in biblioteca?
essere
to be
in
in / made of (material)
che
what
la cosa
the thing
la biblioteca
the library
succedere
to happen
Questions & Answers about Che cosa è successo in biblioteca?
Why does this sentence use è (is) instead of ha (has) for the past tense?
Because the verb succedere (to happen) is an event or state verb. In the passato prossimo (the past tense), verbs describing motion, states of being, or things happening use essere (to be) as their helper verb instead of avere (to have).
If verbs using essere need their ending to match the subject, why does successo end in -o?
When the subject is an unknown event or situation—like when you are asking "what" happened—Italian defaults to the masculine singular ending -o. So, the past participle becomes successo.
Does successo mean "success"?
It can be a noun meaning "success", but here it is the past participle of the verb succedere (to happen). So in this sentence, è successo simply means "happened".
Can I just say Cosa è successo instead of Che cosa è successo?
Why is it just in biblioteca and not nella biblioteca (in the library)?
For certain everyday public places, Italian uses the simple preposition in without combining it with "the" (the definite article). You will see this rule with places like in biblioteca (in the library), in banca (in the bank), and in farmacia (in the pharmacy).
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