he knows what he's doing
he know what he do
pro:sub v pro:int pro:sub part
he knows what he's doing .
h iː WORD_BOUNDARY n oʊ z WORD_BOUNDARY w ʌ t WORD_BOUNDARY h iː z WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
h e WORD_BOUNDARY k n o w s WORD_BOUNDARY w h a t WORD_BOUNDARY h e ' s WORD_BOUNDARY d o i n g WORD_BOUNDARY