what happened to the tree
what happen to the tree
pro:int v prep det:art n
what happened to the tree ?
w ʌ t WORD_BOUNDARY h æ p ə n d WORD_BOUNDARY t ə WORD_BOUNDARY ð ə WORD_BOUNDARY t ɹ iː WORD_BOUNDARY
w h a t WORD_BOUNDARY h a p p e n e d WORD_BOUNDARY t o WORD_BOUNDARY t h e WORD_BOUNDARY t r e e WORD_BOUNDARY