Breakdown of Hay una cucaracha en la sábana. ¡Vaya pesadilla!
un
a, an, some
en
in / on / by (means of transport) / about (after pensar)
vaya
wow! / oh dear! (surprise or disappointment)
haber
there to be (existential)
la cucaracha
the cockroach
la sábana
the bedsheet
la pesadilla
the nightmare
Questions & Answers about Hay una cucaracha en la sábana. ¡Vaya pesadilla!
Why do we use ¡Vaya pesadilla! instead of ¡Qué pesadilla!?
Does vaya change its ending if the noun is masculine or plural?
No, when used in exclamations like this, vaya is an invariable word. Even if you were talking about masculine or plural things, like ¡Vaya bichos! (What bugs!), it always stays as vaya.
Why is it Hay una cucaracha and not Está una cucaracha?
We use hay (there is/there are) to state that something new exists, usually with indefinite articles like una (a/an). You would only use está to talk about the location of a specific, known thing, as in La cucaracha está en la cama (The cockroach is on the bed).
Why use en for "on the bedsheet"? Doesn't en mean "in"?
The preposition en is very versatile in Spanish and doesn't just mean "in". It can mean "in", "on", or "at" depending on the context. Here, it naturally translates to "on" because the bug is on the surface of the bedsheet (la sábana).
Is the word vaya here related to the verb ir (to go)?
Yes! Vaya is the present subjunctive form of ir. Over time, ¡Vaya! became a fixed expression of surprise, similar to saying "Wow!" or "My goodness!" in English. When placed right before a noun, it translates to "What a...!"
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