it happened when you opened up the door
it happen when you open up the door
pro:per v conj pro:per v prep det:art n
it happened when you opened up the door ?
ɪ t WORD_BOUNDARY h æ p ə n d WORD_BOUNDARY w ɛ n WORD_BOUNDARY j uː WORD_BOUNDARY oʊ p ə n d WORD_BOUNDARY ʌ p WORD_BOUNDARY ð ə WORD_BOUNDARY d oː ɹ WORD_BOUNDARY
i t WORD_BOUNDARY h a p p e n e d WORD_BOUNDARY w h e n WORD_BOUNDARY y o u WORD_BOUNDARY o p e n e d WORD_BOUNDARY u p WORD_BOUNDARY t h e WORD_BOUNDARY d o o r WORD_BOUNDARY