he'll be here in about twenty minutes
he be here in about twenty minute
pro:sub cop adv adv prep det:num n
he'll be here in about twenty minutes .
h iː l WORD_BOUNDARY b iː WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY ɪ n WORD_BOUNDARY ɐ b aʊ t WORD_BOUNDARY t w ɛ n t i WORD_BOUNDARY m ɪ n ɪ t s WORD_BOUNDARY
h e ' l l WORD_BOUNDARY b e WORD_BOUNDARY h e r e WORD_BOUNDARY i n WORD_BOUNDARY a b o u t WORD_BOUNDARY t w e n t y WORD_BOUNDARY m i n u t e s WORD_BOUNDARY