when the mice heard this they began to run
when the mouse hear this they begin to run
conj det:art n v det:dem pro:sub v inf v
when the mice heard this they began to run .
w ɛ n WORD_BOUNDARY ð ə WORD_BOUNDARY m aɪ s WORD_BOUNDARY h ɜː d WORD_BOUNDARY ð ɪ s WORD_BOUNDARY ð eɪ WORD_BOUNDARY b ɪ ɡ æ n WORD_BOUNDARY t ə WORD_BOUNDARY ɹ ʌ n WORD_BOUNDARY
w h e n WORD_BOUNDARY t h e WORD_BOUNDARY m i c e WORD_BOUNDARY h e a r d WORD_BOUNDARY t h i s WORD_BOUNDARY t h e y WORD_BOUNDARY b e g a n WORD_BOUNDARY t o WORD_BOUNDARY r u n WORD_BOUNDARY