did his mother know he was here
do his mother know he be here
v det:poss n v pro:sub cop adv
did his mother know he was here ?
d ɪ d WORD_BOUNDARY h ɪ z WORD_BOUNDARY m ʌ ð ɚ WORD_BOUNDARY n oʊ WORD_BOUNDARY h iː WORD_BOUNDARY w ʌ z WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY
d i d WORD_BOUNDARY h i s WORD_BOUNDARY m o t h e r WORD_BOUNDARY k n o w WORD_BOUNDARY h e WORD_BOUNDARY w a s WORD_BOUNDARY h e r e WORD_BOUNDARY