he wouldn't do that
he will do that
pro:sub mod v pro:dem
he wouldn't do that !
h iː WORD_BOUNDARY w ʊ d ə n t WORD_BOUNDARY d uː WORD_BOUNDARY ð æ t WORD_BOUNDARY
h e WORD_BOUNDARY w o u l d n ' t WORD_BOUNDARY d o WORD_BOUNDARY t h a t WORD_BOUNDARY