on a vu la Seine
on avoir vu la Seine
pro:sub v:aux prep det:art n:prop
on a vu la seine .
ɔ̃ n WORD_BOUNDARY a WORD_BOUNDARY v y WORD_BOUNDARY l a WORD_BOUNDARY s ɛ n WORD_BOUNDARY
o n WORD_BOUNDARY a WORD_BOUNDARY v u WORD_BOUNDARY l a WORD_BOUNDARY s e i n e WORD_BOUNDARY