we forgot to go ice skating
we forget to go ice skate
pro:sub v inf v n part
we forgot to go ice skating ?
w iː WORD_BOUNDARY f ɚ ɡ ɑː t WORD_BOUNDARY t ə WORD_BOUNDARY ɡ oʊ WORD_BOUNDARY aɪ s WORD_BOUNDARY s k eɪ ɾ ɪ ŋ WORD_BOUNDARY
w e WORD_BOUNDARY f o r g o t WORD_BOUNDARY t o WORD_BOUNDARY g o WORD_BOUNDARY i c e WORD_BOUNDARY s k a t i n g WORD_BOUNDARY