they started shouting
they start shout
pro:sub v part
they started shouting.
ð eɪ WORD_BOUNDARY s tʰ ɑː tʰ ɪ d WORD_BOUNDARY ʃ aʊ tʰ ɪ ŋ WORD_BOUNDARY
t h e y WORD_BOUNDARY s t a r t e d WORD_BOUNDARY s h o u t i n g . WORD_BOUNDARY