he was asleep before you left
he be asleep before you leave
pro:sub cop adv prep pro:per v
he was asleep before you left .
h iː WORD_BOUNDARY w ʌ z WORD_BOUNDARY ɐ s l iː p WORD_BOUNDARY b ɪ f oː ɹ WORD_BOUNDARY j uː WORD_BOUNDARY l ɛ f t WORD_BOUNDARY
h e WORD_BOUNDARY w a s WORD_BOUNDARY a s l e e p WORD_BOUNDARY b e f o r e WORD_BOUNDARY y o u WORD_BOUNDARY l e f t WORD_BOUNDARY