The dog runnng across the grass.(running across the) 可以认为是跑过

she is running across the grass.句子成分 The dog's running across the grass.It's running after a cat. The dog's running across the grass.狗在草地上跑,为什么要加across?3Q 新概念英语小疑问it's running across the grass.running是跑的意思across是横穿, i see a dog running across the field.中请问running是动名词还是现在分词? the dog is running a_____ the grass Across the ``````````````` across the i see a dog running across the field.中请帮我分析下句子成分. 介词填空：The dog is running __ the grass I saw a cat running across the road.后面的across the road是什么成分? I saw the pet dog( )across the street.