I was walking in the street when I heard someone shouting for help.中someone 后面为什么不加was啊?不是正在的意思么?

问题描述:

I was walking in the street when I heard someone shouting for help.中someone 后面为什么不加was啊?不是正在的意思么?

hear sb doing sth 是听见某人正在进行的动作,例如类似的see sb doing sth.
如果加was 就变成 听说 一件事情了,即hear (that)