il faut les laisser
il falloir les laisser
pro:sub v:mdl pro:obj v
il faut les laisser .
i l WORD_BOUNDARY f o WORD_BOUNDARY l e WORD_BOUNDARY l ɛ s e WORD_BOUNDARY
i l WORD_BOUNDARY f a u t WORD_BOUNDARY l e s WORD_BOUNDARY l a i s s e r WORD_BOUNDARY