she sat staring into the distance with screaming down her ch

她坐在那,瞪着不远处,嘴里发出尖叫.
she sat staring into the distance with screaming down her cheeks
句子主干：she sat
staring into the distance 动名词作句子的伴随状语
with screaming down her cheeks这一部分是作动词stare的伴随状语