ruling是动名词吗

不是动名词，是ing形式

过去式 ruled，过去分词 ruled，现在分词 ruling

第三人称单数 rules，复数 rules

We must obey the traffic rules and be responsible for the safety of ourselves and others.

我们必须遵守交通规则，为自己和他人的安全负责。

2

We have been looking forward that the court will rule justly.

我们一直在期盼法院作出公正的裁决。

3

He ruled a grid on the paper before he practiced Chinese characters.

他在练汉字前现在纸上画好了网格。