c'était ce matin
être ce matin
v:aux pro:dem n
c'était ce matin ?
s e t ɛ WORD_BOUNDARY s ə WORD_BOUNDARY m a t ɛ̃ WORD_BOUNDARY
c ' é t a i t WORD_BOUNDARY c e WORD_BOUNDARY m a t i n WORD_BOUNDARY ? WORD_BOUNDARY