he'll hafta go back
he have go back
pro:sub mod v adv
he'll have to go back.
h iː l WORD_BOUNDARY h æ v WORD_BOUNDARY t ə WORD_BOUNDARY ɡ oʊ WORD_BOUNDARY b æ k WORD_BOUNDARY
h e ' l l WORD_BOUNDARY h a v e WORD_BOUNDARY t o WORD_BOUNDARY g o WORD_BOUNDARY b a c k . WORD_BOUNDARY