Possible Results:
estaba chiflando
Imperfect progressive yo conjugation of chiflar.
estaba chiflando
Imperfect progressive él/ella/usted conjugation of chiflar.

chiflar

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2,000+ learners.
Pensé que alguien me estaba chiflando, pero era el viento.
I thought someone was wolf-whistling at me, but it was the wind.
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