what are you thinking about
what be you think about
pro:int aux pro:per part adv
what are you thinking about ?
w ʌ t WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY j uː WORD_BOUNDARY θ ɪ ŋ k ɪ ŋ WORD_BOUNDARY ʌ b aʊ t WORD_BOUNDARY
w h a t WORD_BOUNDARY a r e WORD_BOUNDARY y o u WORD_BOUNDARY t h i n k i n g WORD_BOUNDARY a b o u t WORD_BOUNDARY