run的过去式

run过去式和过去分词是什么意思run的过去式是ran、run，过去分词是ran、run，第三人称单数现在时是runs，现在分词是running、run。 例句：1、I excused myself and ran back to the telephone.我说了声抱歉，跑回到电话机旁。 2、The owner insisted on Cool Ground running in the...