he doesn't know how to spell
he do know how to spell
pro:sub mod v pro:int inf v
he doesn't know how to spell .
h iː WORD_BOUNDARY d ʌ z ə n t WORD_BOUNDARY n oʊ WORD_BOUNDARY h aʊ WORD_BOUNDARY t ə WORD_BOUNDARY s p ɛ l WORD_BOUNDARY
h e WORD_BOUNDARY d o e s n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY h o w WORD_BOUNDARY t o WORD_BOUNDARY s p e l l WORD_BOUNDARY