il doit en rester un
il devoir en rester un
pro:sub v:mdl prep v pro
il doit en rester un .
i l WORD_BOUNDARY d w a WORD_BOUNDARY ɑ̃ WORD_BOUNDARY ʁ ɛ s t e WORD_BOUNDARY œ̃ WORD_BOUNDARY
i l WORD_BOUNDARY d o i t WORD_BOUNDARY e n WORD_BOUNDARY r e s t e r WORD_BOUNDARY u n WORD_BOUNDARY