he did what Carl did
he do what Carl do
pro:sub v pro:int n:prop v
he did what carl did .
h iː WORD_BOUNDARY d ɪ d WORD_BOUNDARY w ʌ t WORD_BOUNDARY k ɑː ɹ l WORD_BOUNDARY d ɪ d WORD_BOUNDARY
h e WORD_BOUNDARY d i d WORD_BOUNDARY w h a t WORD_BOUNDARY c a r l WORD_BOUNDARY d i d WORD_BOUNDARY