as soon as class was over,the children dashed into the playground ,shouting and laughing

问题描述:

as soon as class was over,the children dashed into the playground ,shouting and laughing
为什么shout 和laugh填现在时

因为这是描述孩子们的状态,喊叫着、欢笑着,要用表达状态的动名词,不能用动词.
理解请及时采纳,