de quoi il a besoin
de quoi il avoir besoin
prep pro:rel pro:sub v:aux n
de quoi il a besoin ?
d ə WORD_BOUNDARY k w a WORD_BOUNDARY i l WORD_BOUNDARY a WORD_BOUNDARY b ə z w ɛ̃ WORD_BOUNDARY
d e WORD_BOUNDARY q u o i WORD_BOUNDARY i l WORD_BOUNDARY a WORD_BOUNDARY b e s o i n WORD_BOUNDARY