楼主! 原型 单三 过去分词 现在分词 go goes gone going have has had having come comes come coming do did done doing be be been being open opens opened opening eat eats eaten eating write writes writen writing swim swims swum swimming begin begins begun beginning listen listens listened listening run runs run running sit sits sat sitting
go went gone have had had come came come do did done be 第一和第三人称单数陈述语气过去动词形式 was[w¾z, w¼z] [w…z ] 非重读时 第二人称单数和复数以及第一和第三人称复数过去陈述语气词 were[wûr] were的过去虚拟语气词过去分词 been[b¹...