把这句话进行剖析“It's no use telling him not to worry.”

问题描述:

把这句话进行剖析“It's no use telling him not to worry.”

It(形式主语)'s (系动词)no use(表语) telling him not to worry(真正主语)
注意:
在It is no use .这个句型中,真正主语只能是v-ing形式,不能是to do sth 动词不定式.意为:(干什么事) 是没有用的