when did she call
when do she call
conj mod pro:sub v
when did she call ?
w ɛ n WORD_BOUNDARY d ɪ d WORD_BOUNDARY ʃ iː WORD_BOUNDARY k ɔː l WORD_BOUNDARY
w h e n WORD_BOUNDARY d i d WORD_BOUNDARY s h e WORD_BOUNDARY c a l l WORD_BOUNDARY