Breakdown of O duche é obrigatório antes de entrar, desde que uses a sauna.
ser
to be
usar
to use / to wear
entrar
to enter
o
him/it (m)
antes de
before
o duche
the shower (that you take)
desde que
provided that
obrigatório
mandatory
a sauna
the sauna
Questions & Answers about O duche é obrigatório antes de entrar, desde que uses a sauna.
Why does this sentence use uses instead of the normal present tense usas?
Because of the phrase desde que (provided that / as long as). In Portuguese, conjunctions that express a condition or a requirement trigger the subjunctive mood. The word uses is the present subjunctive form of usar for the tu (you) form.
Could I say desde que tu uses instead of just desde que uses?
Yes, you can include the pronoun tu, but it is completely optional. Just like in the normal indicative present tense, the ending of the verb (-es in uses) makes it clear that 'you' are the subject, so the pronoun is usually dropped.
Why is the verb entrar in its infinitive (unconjugated) form here?
It follows the preposition de in the phrase antes de (before). In Portuguese, when a verb directly follows a preposition like de, para, or sem, it usually stays in its infinitive form. Here, it translates naturally to the English gerund form, 'before entering'.
I learned the word banho for taking a shower or bath. Is duche more common in Portugal?
In European Portuguese, duche specifically means a shower, whereas banho means a bath (or is used as a general term for bathing). If you are talking specifically about standing under a shower, such as at a public pool, gym, or sauna, duche is the most precise word to use.
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