Breakdown of A arte efémera na praia desaparece quando a maré sobe.
em
in / on / at
quando
when
a praia
the beach
desaparecer
to disappear
a arte
the art
subir
to climb
efémero
ephemeral
a maré
the tide
Questions & Answers about A arte efémera na praia desaparece quando a maré sobe.
Why is sobe in the present indicative rather than the future subjunctive, since quando often triggers the subjunctive?
You use the future subjunctive with quando for specific, future events. However, this sentence describes a general, recurring fact. For habits and universal truths, quando is simply followed by the present indicative (sobe).
How could we rewrite this sentence to express the timeframe using the lesson's focus phrase, ao fim de?
Since ao fim de means 'after a certain period of time' or 'at the end of', you would replace the triggering event with a time duration. For example: A arte efémera na praia desaparece ao fim de algumas horas (Ephemeral art on the beach disappears after a few hours).
Why do we say the art is na praia instead of da praia?
Using na praia (a contraction of em + a) indicates the physical location of the art (on the beach). If you used da praia (of the beach), it would imply that the art belongs to or is an intrinsic characteristic of the beach itself, rather than just being temporarily placed there.
The verb sobe comes from subir (to rise). Why does the root vowel change from 'u' to 'o'?
Subir is a stem-changing verb in the present indicative. For all singular subjects and the third-person plural, the root vowel 'u' opens up to an 'o' (yielding eu subo, tu sobes, ele sobe, eles sobem). It only keeps the original 'u' in the nós form (nós subimos).
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