you know why that happened
you know why that happen
pro:per v pro:rel adv part
you know why that happened ?
j uː WORD_BOUNDARY n oʊ WORD_BOUNDARY w aɪ WORD_BOUNDARY ð æ t WORD_BOUNDARY h æ p ə n d WORD_BOUNDARY
y o u WORD_BOUNDARY k n o w WORD_BOUNDARY w h y WORD_BOUNDARY t h a t WORD_BOUNDARY h a p p e n e d WORD_BOUNDARY