on n'a pas commencé
on avoir pas commencer
pro:sub v:poss neg part
on n'a pas commencé !
ɔ̃ WORD_BOUNDARY n a WORD_BOUNDARY p a WORD_BOUNDARY k ɔ m ɑ̃ s e WORD_BOUNDARY
o n WORD_BOUNDARY n ' a WORD_BOUNDARY p a s WORD_BOUNDARY c o m m e n c é WORD_BOUNDARY