no se han caído
no se habe cae
adv pro:refl aux part
no se han caído ?
n o̞ WORD_BOUNDARY s e̞ WORD_BOUNDARY a n WORD_BOUNDARY k a i d o̞ WORD_BOUNDARY
n o WORD_BOUNDARY s e WORD_BOUNDARY h a n WORD_BOUNDARY c a í d o WORD_BOUNDARY ? WORD_BOUNDARY