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。
