he willn't know who it is
he will know who it be
pro:sub mod v pro:int pro:per cop
he will not know who it is.
h iː WORD_BOUNDARY w ɪ l WORD_BOUNDARY n ɑ t WORD_BOUNDARY n oʊ WORD_BOUNDARY h uː WORD_BOUNDARY ɪ t WORD_BOUNDARY ɪ z WORD_BOUNDARY
h e WORD_BOUNDARY w i l l WORD_BOUNDARY n o t WORD_BOUNDARY k n o w WORD_BOUNDARY w h o WORD_BOUNDARY i t WORD_BOUNDARY i s . WORD_BOUNDARY