how many are left
how many be leave
pro:rel qn aux v
how many are left?
h aʊ WORD_BOUNDARY m ɛ n i WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY l ɛ f t WORD_BOUNDARY
h o w WORD_BOUNDARY m a n y WORD_BOUNDARY a r e WORD_BOUNDARY l e f t ? WORD_BOUNDARY