妈妈 忘 了 拿 了
ma1 wang4 le na2 le
n:relat v asp v asp
妈妈 忘 了 拿 了 .
m a˥ WORD_BOUNDARY w a˥˩ ŋ WORD_BOUNDARY l ɤ WORD_BOUNDARY n a˧˥ WORD_BOUNDARY l ɤ WORD_BOUNDARY 
妈 妈 WORD_BOUNDARY 忘 WORD_BOUNDARY 了 WORD_BOUNDARY 拿 WORD_BOUNDARY 了 WORD_BOUNDARY