du arbeitest an deinem Buch
du arbeiten an dein Buch
pro:per v prep adjm n
du arbeitest an deinem buch !
d uː WORD_BOUNDARY  a ɐ b aɪ t ə s t WORD_BOUNDARY  a n WORD_BOUNDARY d aɪ n ə m WORD_BOUNDARY b uː x WORD_BOUNDARY
d u WORD_BOUNDARY a r b e i t e s t WORD_BOUNDARY a n WORD_BOUNDARY d e i n e m WORD_BOUNDARY b u c h WORD_BOUNDARY