↬ Si en un dudoso futuro ↬
vosotros fuereis conscientes, ¡suerte!
Irregular form: the hypothetical regular form siereis is incorrect.
ser : extreme irregularity, #10 in the deck out of 59 dissonant verbs, 41 counts (74%)
Unique verb. The DLE has no other verb with this set of conjugation and spelling patterns.
↬ Si en un dudoso futuro ↬
tú/vos fueres consciente, ¡suerte!
↬ Si en un dudoso futuro ↬
él/ella/usted fuere consciente, ¡suerte!
↬ Si en un dudoso futuro ↬
nosotros fuéremos conscientes, ¡suerte!
↬ Si en un dudoso futuro ↬
ellos/ellas/ustedes fueren conscientes, ¡suerte!
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