David's not David's not going
David not go
n:prop neg part
david's not david's not going !
d eɪ v ɪ d z WORD_BOUNDARY n ɑː t WORD_BOUNDARY d eɪ v ɪ d z WORD_BOUNDARY n ɑː t WORD_BOUNDARY ɡ oʊ ɪ ŋ WORD_BOUNDARY
d a v i d ' s WORD_BOUNDARY n o t WORD_BOUNDARY d a v i d ' s WORD_BOUNDARY n o t WORD_BOUNDARY g o i n g WORD_BOUNDARY