on était en_train d' écouter
on être en_train de écouter
pro:sub v:aux adv adv v
on était en train d' écouter .
ɔ̃ n WORD_BOUNDARY e t ɛ t WORD_BOUNDARY ɑ̃ WORD_BOUNDARY t ʁ ɛ̃ WORD_BOUNDARY d e WORD_BOUNDARY e k u t e WORD_BOUNDARY
o n WORD_BOUNDARY é t a i t WORD_BOUNDARY e n WORD_BOUNDARY t r a i n WORD_BOUNDARY d ' WORD_BOUNDARY é c o u t e r WORD_BOUNDARY