I'll certainly be there
I certain be there
pro:sub adv cop adv
i'll certainly be there .
aɪ l WORD_BOUNDARY s ɜː ʔ n̩ l i WORD_BOUNDARY b iː WORD_BOUNDARY ð ɛ ɹ WORD_BOUNDARY
i ' l l WORD_BOUNDARY c e r t a i n l y WORD_BOUNDARY b e WORD_BOUNDARY t h e r e WORD_BOUNDARY