I think he's sleepy
I think he sleep
pro:sub v pro:sub adj
i think he's sleepy .
aɪ WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY h iː z WORD_BOUNDARY s l iː p i WORD_BOUNDARY
i WORD_BOUNDARY t h i n k WORD_BOUNDARY h e ' s WORD_BOUNDARY s l e e p y WORD_BOUNDARY